WO2022099661A1 - 箱体、电池、用电设备及电池的制造方法 - Google Patents
箱体、电池、用电设备及电池的制造方法 Download PDFInfo
- Publication number
- WO2022099661A1 WO2022099661A1 PCT/CN2020/128859 CN2020128859W WO2022099661A1 WO 2022099661 A1 WO2022099661 A1 WO 2022099661A1 CN 2020128859 W CN2020128859 W CN 2020128859W WO 2022099661 A1 WO2022099661 A1 WO 2022099661A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- flow channel
- cooling
- cooling device
- flow
- battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/647—Prismatic or flat cells, e.g. pouch cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/35—Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
- H01M50/358—External gas exhaust passages located on the battery cover or case
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/10—Temperature sensitive devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present application relates to the field of energy storage devices, and in particular, to a box, a battery, an electrical device and a method for manufacturing the battery.
- the present application provides a box, a battery, an electrical device and a method for manufacturing the battery, so as to improve the safety of the battery.
- an embodiment of the present application provides a case for a battery
- the battery includes a battery cell, and includes: a plurality of walls, and the plurality of walls enclose a container for accommodating the battery cell a space, and a first flow channel is formed inside at least one wall, and the first flow channel is used to discharge the discharge generated by the thermal runaway of the battery cell to the outside of the box; and a cooling device is arranged on the first flow channel.
- the cooling device is used for cooling the exhaust that flows through the cooling device; wherein, the cooling device includes a cooling structure for increasing the contact area between the exhaust and the cooling device.
- a first flow channel is formed inside at least one wall of the box body, and the emissions generated by the thermal runaway of the battery cells located in the box body can be discharged to the outside of the box through the first flow channel.
- a cooling device is provided in the first flow channel. When the exhaust flows through the cooling device in the first flow channel, the cooling device can exchange heat with the exhaust to cool the exhaust, thereby reducing the temperature of the exhaust.
- the cooling device includes a cooling structure, and the arrangement of the cooling structure increases the contact area between the exhaust and the cooling device, so that the cooling device can take away more heat from the exhaust and improve the cooling capacity of the cooling device. The cooling effect of the cooling device is better, the possibility of fire and combustion of the discharge is reduced, and the safety of the battery is improved.
- the cooling structure includes a second flow passage for the exhaust to pass.
- the cooling structure includes a second flow channel for the exhaust to pass through, that is, the cooling device can increase the contact area between the cooling device and the flue gas by arranging the second flow channel, and the structure is simple. During the process of the discharge flowing through the cooling device, the discharge can flow through the second flow channel, which is beneficial for the cooling device to cool the discharge.
- the second flow channel is formed on the outer surface of the cooling device and/or the interior of the cooling device.
- a second flow channel may be formed on the outer surface of the cooling device to facilitate the molding of the second flow channel; or a second flow channel may be formed in the cooling device, and the discharge is in the process of flowing through the cooling device.
- the discharge can flow directionally inside the cooling device; of course, the outer surface of the cooling device and the interior of the cooling device can both be formed with a second flow channel, so as to make full use of the cooling device and increase the cooling device and the cooling device as much as possible. Contact area of emissions.
- the cooling device includes opposite first ends and second ends in the extending direction of the first flow channel, and the second flow channel penetrates through the first end and the second end.
- the second flow channel runs through the opposite first end and second end of the cooling device in the extending direction, that is to say, during the process of the exhaust flowing through the cooling device, the exhaust can flow in from one end of the cooling device, The other end flows out, which increases the time for the exhaust to flow in the first flow channel, that is, the contact time between the exhaust and the cooling device is increased, the heat exchange time between the exhaust and the cooling device is longer, and the cooling and cooling capacity of the cooling device is improved.
- the second flow channel extends in a straight line, a curve or a zigzag line.
- the second flow channel can be straight, the second flow channel of this structure is simple to form, and the processing cost is low; the second flow channel can also be curved or broken Increasing the flow path of the exhaust in the second flow channel further increases the contact time of the exhaust with the cooling device.
- the cooling structure includes a plurality of the second flow channels independent of each other.
- the cooling device may include a plurality of second flow channels that are independent of each other, and all the second flow channels can allow the exhaust to pass through, so that the exhaust can communicate with more second flow channels in the process of flowing through the cooling device.
- the wall contact of the cooling device improves the cooling and cooling capacity of the cooling device.
- the cooling device includes a plurality of cooling pipes, each of which is formed with the second flow channel inside.
- the cooling device includes a plurality of cooling tubes, and each cooling tube is formed with a second flow channel inside, that is, a plurality of cooling tubes with a second flow channel formed inside can be used as the cooling device to
- the exhaust is cooled, and the overall structure is simple.
- a gap for the exhaust to pass through can be formed between the cooling pipes, that is, during the process of the exhaust flowing through the cooling device, the exhaust can contact both the inner wall of the cooling pipe and the outer wall of the cooling pipe.
- the cooling device of this structure has better cooling and cooling capacity for the exhaust.
- the cooling structure further includes a retention space; the retention space communicates with the second flow channel, and the retention space is used to retain the exhaust.
- the stagnant space can hold the discharge.
- the discharge can flow into the stagnant space, and the discharge can stay in the stagnant space for a short time, increasing the emission and cooling.
- the heat exchange time of the device can be used to hold the discharge.
- the cooling structure includes a plurality of stagnation spaces spaced along the extending direction of the second flow channel.
- the cooling structure includes a plurality of stagnant spaces spaced along the extending direction of the second flow channel, and during the process of the discharge material flowing in the second flow channel, the discharge material can enter into the plurality of stagnant spaces, and the plurality of stagnant spaces.
- the exhaust can be held multiple times to further increase the heat exchange time between the exhaust and the cooling device.
- the retention space is arranged obliquely from a position perpendicular to the extending direction of the second flow channel to a flow direction of the exhaust in the second flow channel.
- the inclined arrangement of the retention space makes it easier for the emissions to flow into the retention space from the second flow channel, and more difficult to flow into the second flow channel from the retention space, thereby increasing the retention time of the emissions in the retention space.
- the cooling device includes a plurality of first cooling members; the plurality of first cooling members are arranged at intervals along the extending direction of the first flow channel, and the plurality of first cooling members are provided with The first openings through which the exhaust passes are communicated with the first openings of the plurality of first cooling elements to form the second flow channels, and the first cooling elements are formed between every two adjacent first cooling elements. Stay space.
- the cooling device includes a plurality of cooling pieces arranged at intervals along the extending direction of the first flow channel, the first openings of the plurality of cooling pieces form the second flow channel, and a retention is formed between each adjacent two first cooling pieces.
- the cooling device of this structure has a simple structure, which can effectively reduce the difficulty of forming the first flow channel and the retention space.
- the cooling device includes a plurality of second cooling members; the plurality of second cooling members are arranged at intervals along the extending direction of the first flow channel, and the plurality of second cooling members are provided with The second openings through which the exhaust passes, the second openings of each adjacent two cooling elements are arranged at a projected dislocation along the extending direction of the first flow channel, and the second openings of the plurality of second cooling elements are The two openings are communicated to form the second flow channel.
- the projections of the second openings of each of the two adjacent second cooling elements along the extension direction of the first flow channel are dislocated, so that the second flow channels are meanderingly distributed, and the discharge passes through the second cooling element of one second cooling element.
- the flow direction of the exhaust is changed under the blocking action of the next second cooling element, which increases the flow path of the exhaust and increases the heat exchange time between the exhaust and the cooling device.
- the box body further includes: a fire fighting mechanism disposed in the first flow channel, the fire fighting mechanism is configured to release a fire fighting medium into the first flow channel when the battery cell is thermally out of control.
- the fire fighting mechanism can release the fire fighting medium into the first flow channel when the battery cell is thermally out of control, and the fire fighting medium is mixed with the discharge to achieve the cooling of the discharge and the reduction of the concentration of the discharge, so as to achieve the purpose of flame retardant.
- the fire fighting mechanism in the flow direction of the exhaust in the first flow channel, is located downstream or upstream of the cooling device; or, the fire fighting mechanism is perpendicular to the cooling device
- the stacking arrangement is in the direction of the flow direction.
- the fire fighting mechanism can be arranged downstream of the cooling device, and the emissions generated by the thermal runaway of the battery cells can flow through the cooling device for cooling, and then mix with the fire-fighting medium released by the fire fighting mechanism; the fire fighting mechanism can also be arranged in the cooling device. Upstream, the emissions generated by the thermal runaway of the battery cells can be mixed with the fire-fighting medium released by the fire-fighting mechanism, and then flow through the cooling device for cooling;
- the stacking arrangement in the direction of the flow direction makes the overall structure more compact and saves space.
- the box body further includes: a detection device disposed in the first flow channel, the detection device is used to detect information parameters of the discharge in the first flow channel;
- the fire fighting mechanism is configured to release the fire fighting medium into the first flow channel when the information parameter reaches a preset value.
- the fire protection agency when the detection device detects that the information parameter of the discharge in the first flow channel reaches a preset value, the fire protection agency will release the fire-fighting medium into the first flow channel to realize the release of the fire-fighting medium by the fire-fighting agency.
- the tank body further comprises: a mixing device disposed in the first flow channel, the mixing device is configured to enable the discharge and the fire fighting medium to be mixed before being discharged from the first flow channel mix.
- the mixing device in the first flow channel can mix the discharge and the fire fighting medium before being discharged from the first flow channel, so that the discharge and the fire fighting medium are more fully mixed and the risk of local high concentration is reduced.
- the mixing device includes a blocking structure for blocking and changing the flow direction of the discharge and the fire-fighting medium, so that the discharge and the fire-fighting medium are discharged
- the first flow channel can be mixed before.
- the blocking structure in the mixing device mixes the discharge and the fire-fighting medium by blocking the discharge and the fire-fighting medium and changing the flow direction, so that the mixing of the discharge and the fire-fighting medium is more sufficient.
- the blocking structure includes a plurality of blocking members; the plurality of blocking members are arranged at intervals along the extending direction of the first flow channel, and each blocking member is provided with a third opening, and each adjacent blocking member is provided with a third opening.
- the projections of the two third openings along the extending direction of the first flow channel are dislocated.
- the projections of the third openings of each of the adjacent two blocking members along the extending direction of the first flow channel are dislocated, and after the discharge and fire fighting medium pass through the third opening of one blocking member, the discharge and fire fighting medium are in the next
- the flow direction is changed under the blocking action of the blocking piece, so that the discharge and the fire fighting medium can be fully mixed by the blocking action of the blocking piece.
- the blocking member of this configuration can increase the flow path of the exhaust and fire fighting medium to enhance the cooling effect of the exhaust.
- the projection of the blocking structure in the extension direction of the first flow channel covers the projection of the first flow channel in the extension direction.
- the projection of the blocking structure in the extension direction of the first flow channel covers the projection of the first flow channel in the extension direction. Mix more fully with fire fighting medium.
- the blocking structure includes a helical blade, and the centerline of the helical blade is coincident with or parallel to the center axis of the first flow channel.
- the blocking structure includes a plurality of helical blades, the plurality of helical blades are arranged along the extending direction of the first flow channel, and the rotation directions of every two adjacent helical blades are opposite.
- each adjacent two helical blades in the blocking structure is opposite, so that the discharge and the fire-fighting medium in the process of flowing through the blocking structure, the effect of the helical blades of the discharge and fire-fighting medium in different rotation directions.
- the helix flows in different directions, so that the blocking structure can more fully mix the discharge and the fire-fighting medium.
- a plurality of first flow channels extending in the same direction are formed inside at least one wall; every two first flow channels in the plurality of first flow channels are independent of each other; or, one of the plurality of first flow channels is independent of each other. At least two first flow channels communicate.
- every two first flow channels may be independent of each other, or at least two first flow channels may be connected. If every two first flow channels are independent of each other, the emissions do not interfere with each other during the flow of each first flow channel; if at least two first flow channels are connected, the emissions entering one first flow channel can enter and The first flow channel communicates with another first flow channel.
- At least two first flow channels of the plurality of first flow channels are in communication, and the exhaust can sequentially flow through the cooling device in the at least two first flow channels and then be discharged to the tank body outside.
- the exhaust in the case where the at least two first flow channels are connected, can flow through the cooling devices in the at least two first flow channels in sequence and then be discharged to the outside of the box. , the exhaust can be cooled by a plurality of cooling devices in different first flow channels, and the cooling effect of the exhaust is better.
- the first flow channel includes an inlet; the inlet is provided with a spacer configured to open the inlet to enable the exhaust in the event of thermal runaway of the battery cell into the first flow channel through the inlet.
- the inlet of the first flow channel is provided with a spacer.
- the spacer can prevent the particles in the accommodation space of the box from entering the first flow channel and reduce the pressure of the first flow channel. Risk of clogging of inlets by particles.
- the separator can open the inlet of the first flow channel, so that the emissions generated by the thermal runaway of the battery cell can smoothly enter the first flow channel through the inlet.
- the spacer is configured to be breached upon thermal runaway of the battery cell to open the inlet.
- the box body further includes a pressure relief mechanism;
- the first flow channel includes an outlet, the pressure relief mechanism is provided at the outlet, and the pressure relief mechanism is used to open when the battery cell is thermally out of control the outlet, so that the discharge in the first flow channel can be discharged from the tank through the outlet.
- the outlet of the first flow channel is provided with a pressure relief mechanism, and under normal circumstances, the pressure relief mechanism can play a role in balancing the pressure.
- the pressure relief mechanism opens the outlet of the first flow channel, so that the discharge can be smoothly discharged to the outside of the box.
- an embodiment of the present application provides a battery, including: a battery cell; and the case provided in the first aspect or any embodiment of the first aspect, where the battery cell is accommodated in the accommodating space.
- the cooling device in the casing of the battery has a cooling structure that can increase the contact area between the exhaust and the cooling device, the cooling device has a better cooling effect and reduces the possibility of the emissions catching fire and burning. Improves battery safety.
- an embodiment of the present application provides an electrical device, including the battery provided in the second aspect.
- an embodiment of the present application further provides a method for manufacturing a battery, including: providing a battery cell; and providing a box body, the box body comprising: a plurality of walls, and the plurality of walls are enclosed and formed for accommodating the battery a cell accommodating space, and a first flow channel is formed inside at least one wall, the first flow channel is used to discharge the discharge generated by the thermal runaway of the battery cell to the outside of the box; and a cooling device, located in the In the first flow channel, the cooling device is used for cooling the exhaust that flows through the cooling device; the cooling device includes a cooling structure for increasing the contact area between the exhaust and the cooling device; The battery cells are accommodated in the accommodating space.
- FIG. 1 is a schematic structural diagram of a vehicle provided by some embodiments of the present application.
- FIG. 2 is a schematic structural diagram of a battery provided by some embodiments of the present application.
- FIG. 3 is a schematic structural diagram of a box body provided by some embodiments of the present application.
- FIG. 4 is a schematic structural diagram of a box body provided by further embodiments of the present application.
- FIG. 5 is an A-A cross-sectional view of the case provided by some embodiments shown in FIG. 3;
- FIG. 6 is an A-A cross-sectional view of a case provided by further embodiments shown in FIG. 3;
- FIG. 7 is a B-B cross-sectional view of the case provided by some embodiments shown in FIG. 3;
- FIG. 8 is a B-B cross-sectional view of the case provided by further embodiments shown in FIG. 3;
- FIG. 9 is a schematic structural diagram of a cooling device arranged in a first flow channel according to some embodiments of the present application.
- FIG. 10 is a cross-sectional view of a cooling device provided by some embodiments of the present application.
- FIG. 11 is a cross-sectional view of a cooling device provided by further embodiments of the present application.
- FIG. 12 is a cross-sectional view of a cooling device provided by further embodiments of the present application.
- FIG. 13 is a C-C cross-sectional view of the cooling device provided in some embodiments shown in FIG. 11;
- FIG. 14 is a C-C cross-sectional view of the cooling device provided by further embodiments shown in FIG. 11 ;
- FIG. 15 is a C-C cross-sectional view of the cooling device provided by further embodiments shown in FIG. 11 ;
- FIG. 16 is a cross-sectional view of a cooling device provided by further embodiments of the present application.
- FIG. 17 is a cross-sectional view of a cooling device provided by further embodiments of the present application.
- FIG. 18 is a cross-sectional view of the cooling device provided in some embodiments of the present application arranged in the first flow channel;
- FIG. 19 is a schematic structural diagram of a cooling device arranged in a first flow channel according to further embodiments of the present application.
- FIG. 20 is a schematic structural diagram of a cooling device arranged in a first flow channel according to further embodiments of the present application.
- FIG. 21 is a schematic structural diagram of a cooling device arranged in a first flow channel according to further embodiments of the present application.
- FIG. 22 is a schematic diagram of a fire fighting mechanism and a cooling device arranged in the first flow channel according to some embodiments of the present application;
- FIG. 23 is a schematic diagram of the arrangement of the fire fighting mechanism and the cooling device in the first flow channel according to further embodiments of the present application.
- FIG. 24 is a schematic diagram of a fire fighting mechanism and a cooling device arranged in the first flow channel according to further embodiments of the present application;
- FIG. 25 is a schematic diagram of the control of a fire fighting mechanism provided by some embodiments of the present application.
- Figure 26 is a schematic structural diagram of the fire fighting mechanism shown in Figures 22-24;
- FIG. 27 is a schematic structural diagram of a fire fighting mechanism, a cooling device and a mixing device arranged in the first flow channel according to some embodiments of the application;
- FIG. 28 is a schematic structural diagram of a blocking structure provided by some embodiments of the present application.
- FIG. 29 is a schematic structural diagram of a blocking structure provided by further embodiments of the present application.
- FIG. 30 is a D-direction view of the blocking structure shown in FIG. 29;
- FIG. 31 is a schematic flowchart of a method for manufacturing a battery provided by some embodiments of the present application.
- the terms “installed”, “connected”, “connected” and “attached” should be understood in a broad sense, for example, it may be a fixed connection, It can also be a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be internal communication between two components.
- installed should be understood in a broad sense, for example, it may be a fixed connection, It can also be a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be internal communication between two components.
- the battery cells may include lithium-ion secondary batteries, lithium-ion primary batteries, lithium-sulfur batteries, sodium-lithium-ion batteries, sodium-ion batteries, or magnesium-ion batteries, etc., which are not limited in the embodiments of the present application.
- the battery cell may be in the form of a cylinder, a flat body, a rectangular parallelepiped, or other shapes, which are not limited in the embodiments of the present application.
- the battery cells are generally divided into three types according to the packaging method: cylindrical battery cells, square-shaped battery cells, and soft-pack battery cells, which are not limited in the embodiments of the present application.
- the battery cell includes an electrode assembly and an electrolyte, and the electrode assembly is composed of a positive electrode sheet, a negative electrode sheet and a separator.
- the battery cell mainly relies on the movement of metal ions between the positive and negative plates to work.
- the positive electrode sheet includes a positive electrode current collector and a positive electrode active material layer, the positive electrode active material layer is coated on the surface of the positive electrode current collector, the current collector without the positive electrode active material layer protrudes from the current collector coated with the positive electrode active material layer, and the positive electrode active material layer is not coated.
- the current collector coated with the positive electrode active material layer serves as the positive electrode tab.
- a first flow channel is formed in at least one wall of a battery case
- a cooling device is arranged in the first flow channel
- the cooling device includes a cooling device for increasing the thermal runaway of the battery cell.
- the cooling structure of the contact area between the exhaust and the cooling device can improve the cooling capacity of the cooling device, reduce the possibility of the exhaust catching fire and burning, thereby improving the safety of the battery.
- batteries can be vehicles, mobile phones, portable devices, notebook computers, ships, spacecraft, electric toys, and electric tools.
- Vehicles can be fuel vehicles, gas vehicles or new energy vehicles, and new energy vehicles can be pure electric vehicles, hybrid vehicles or extended-range vehicles, etc.
- spacecraft include airplanes, rockets, space shuttles, spacecraft, etc.
- electric toys include fixed Electric toys that are portable or mobile, such as game consoles, electric car toys, electric ship toys and electric airplane toys, etc.
- electric tools include metal cutting power tools, grinding power tools, assembling power tools and railway power tools, such as, Electric drills, electric grinders, electric wrenches, electric screwdrivers, electric hammers, electric impact drills, concrete vibrators and electric planers, etc.
- the embodiments of the present application do not impose special restrictions on the above-mentioned electrical equipment.
- the electric device is a vehicle 1000 as an example for description.
- FIG. 1 is a schematic structural diagram of a vehicle 1000 according to some embodiments of the present application.
- a battery 100 is disposed inside the vehicle 1000 , and the battery 100 may be disposed at the bottom, head or tail of the vehicle 1000 .
- the battery 100 may be used for power supply of the vehicle 1000 , for example, the battery 100 may be used as an operating power source of the vehicle 1000 .
- the vehicle 1000 may also include a controller 200 and a motor 300 for controlling the battery 100 to supply power to the motor 300 , eg, for starting, navigating, and running the vehicle 1000 for work power requirements.
- the plurality of battery cells 30 may be arranged in the box 10 in an array manner.
- a plurality of battery cells 30 are arranged in the box 10 in a 4*11 rectangular array, that is to say, the battery cells 30 in the battery 100 are divided into 4 columns (in FIG. 2 ). 2 columns are shown), with 11 battery cells 30 per column.
- the battery cells 30 in each row can be connected in series or in parallel or in a mixed manner to form a battery module, and the battery modules can also be connected together in a series or in parallel or in a mixed manner, and are accommodated in the box 10 .
- the battery 100 may also include other components, for example, the battery 100 further includes a bus component (not shown in the figure), and the electrical connection between the plurality of battery cells 30 is realized through the bus component, so as to realize the plurality of battery cells 30 of parallel or series or mixed.
- the battery 100 further includes a thermal management component (not shown in the figure) for containing a fluid to adjust the temperature of the battery cells 30 .
- the fluid contained in the thermal management component may be a liquid or a gas, such as water, a mixture of water and glycol, or air.
- the thermal management component adjusts the temperature of the battery cells 30 , and can either heat the battery cells 30 or cool the battery cells 30 .
- the thermal management member may also be referred to as a cooling member, a cooling system, a cooling plate, or the like.
- the box body 10 is used for accommodating the battery cells 30 , and the box body 10 may have various structures.
- the structure of the box body 10 will be described in detail below with reference to the accompanying drawings.
- FIG. 3 is a schematic structural diagram of a box body 10 according to some embodiments of the present application.
- the box body 10 includes a cooling device 11 and a plurality of walls 12 .
- a plurality of walls 12 enclose a accommodating space 13 for accommodating battery cells 30 , and at least one wall 12 is internally formed with a first flow channel 14 , and the first flow channel 14 is used for discharging the emissions generated by the thermal runaway of the battery cells 30 . It is discharged to the outside of the box 10 .
- the cooling device 11 is arranged in the first flow channel 14 , and the cooling device 11 is used for cooling the exhaust flowing through the cooling device 11 , and the cooling device 11 includes a cooling structure 111 for increasing the contact area between the exhaust and the cooling device 11 .
- the box body 10 may be a hollow cuboid, a cylindrical structure, or the like.
- the cross section of the first flow channel 14 may be circular, oval, rectangular, etc.
- the cross section referred to here is the section perpendicular to the extending direction of the first flow channel 14 .
- first flow channel 14 may be formed, or a plurality of first flow channels 14 may be formed, and each first flow channel 14 may be provided with a cooling device 11 .
- first flow channels 14 in the wall 12 may be independent of each other, or may be communicated with each other.
- first flow channels 14 between the walls 12 may be independent of each other, or may be communicated with each other.
- One of the first flow channels 14 and the other first flow channel 14 are independent of each other, that is, they are not communicated with each other.
- each wall 12 may be formed first to form the first flow channel 14 in the wall 12 , and then each wall 12 is assembled to form the box body 10 .
- the arrangement direction of the first flow channels 14 in the wall 12 of the box body 10 may be set according to the specific shape of the box body 10 .
- the first flow channel 14 may extend along the circumferential direction of the box body 10, or may extend along the axial direction of the box body 10;
- the first flow channel 14 may extend along the length direction of the side wall of the box body 10 , or may extend along the height direction of the wall 12 of the box body 10 .
- the accommodating space 13 inside the box body 10 for accommodating the battery cells 30 may have an open end structure, and the battery cells 30 can be put into the battery from the open end of the box body 10 within the monomer 30.
- the box body 10 has one bottom wall and four side walls, that is, the box body 10 has five walls 12, and the bottom wall and/or the side walls of the box body 10 may be formed with a first flow. Road 14.
- the openings of the case 10 may be blocked, for example, the openings are blocked by a case cover (not shown), so as to provide a sealed environment for the battery cells 30 .
- FIG. 4 is a schematic structural diagram of a case body 10 provided in some other embodiments of the present application.
- the accommodating space 13 inside the case body 10 for accommodating the battery cells 30 may be a closed seal space.
- the box body 10 may include a first part 15 and a second part 16, the first part 15 is a hollow structure with one end open, the second part 16 covers the opening of the first part 15, and the second part 16 is jointly defined by the first part 15. in the sealed space for accommodating the battery 100 .
- the first part 15 and the second part 16 may form a rectangular parallelepiped, a cylindrical structure, or the like.
- the box body 10 has one bottom wall, four side walls and one top wall, that is, the box body 10 has six walls 12 and the first part 15 It is a hollow structure composed of a bottom wall and four side walls with an open end, the second part 16 is a top wall, and the second part 16 is covered at the opening of the first part 15 to form a box 10. At least one of the box 10 A first flow channel 14 may be formed in the wall 12 .
- FIG. 5 is an A-A cross-sectional view of the box 10 provided by some embodiments shown in FIG. 3 .
- the first flow channel 14 includes an inlet 141 and an outlet 142 , and the thermal runaway of the battery cell 30 occurs.
- the exhaust can enter the first flow channel 14 through the inlet 141 , and the exhaust in the first flow channel 14 can be discharged from the tank 10 through the outlet 142 .
- the inlet 141 may be provided on the inner surface of the wall 12 of the case 10
- the outlet 142 may be provided on the outer surface of the wall 12 of the case 10 .
- each first flow channel 14 may be provided with an inlet 141 and an outlet 142 independently, or a plurality of first flow channels 14 may share the inlet 141 and the outlet 142 .
- some of the first flow channels 14 may share the inlet 141 and the outlet 142.
- the box 10 is a rectangular parallelepiped, and the box 10 has six walls 12, and each first flow channel 14 in each wall 12 If the inlet 141 and the outlet 142 are shared, the entire box 10 has 6 inlets 141 and 6 outlets 142; in the box 10, it is also possible that all the first flow channels 14 share the inlet 141 and the outlet 142, then the entire box 10 There is one inlet 141 and one outlet 142.
- first flow channels 14 are formed in the bottom wall and side wall of the box body 10, and each first flow channel 14 is provided with an inlet 141 and an outlet 142 independently; in another non-limiting example, the box A first flow channel 14 is formed in the bottom wall, side wall and top wall of the body 10 , and each first flow channel 14 is provided with an inlet 141 and an outlet 142 individually.
- the emissions generated by the thermal runaway of the battery cells 30 need to be discharged to the casing 10 through the first flow channel 14 .
- the particles in the accommodation space 13 of the box body 10 may cause the inlet 141 of the first flow channel 14 to be blocked, resulting in the inability of the emissions generated by the thermal runaway of the battery cells 30. exclude.
- FIG. 6 is an A-A cross-sectional view of the box body 10 provided by the other embodiments shown in FIG. 17 is configured to open the inlet 141 in the event of thermal runaway of the battery cell 30 to allow exhaust to enter the first flow passage 14 through the inlet 141 .
- the separator 17 can prevent particles in the accommodation space 13 of the box 10 from entering the first flow channel 14, reducing the risk of the inlet 141 of the first flow channel 14 being blocked by particles.
- the separator 17 can open the inlet 141 of the first flow channel 14 , so that the emissions generated by the thermal runaway of the battery cell 30 can smoothly enter the first flow channel 14 through the inlet 141 .
- the separator 17 is configured to be broken to open the inlet 141 when the battery cell 30 is thermally runaway, ie the separator 17 is broken to open the inlet 141 of the first flow channel 14 .
- the spacer 17 may be damaged due to an increase in the pressure in the box body 10 , or may be destroyed by melting due to an increase in the temperature in the box body 10 .
- the spacer 17 may be a thin film disposed at the inlet 141 of the first flow channel 14 .
- the isolation member 17 can also be of other structures.
- the isolation member 17 can also be an on-off valve disposed at the inlet 141 of the first flow channel 14. When the pressure or temperature in the box 10 reaches a preset value, the on-off valve The inlet 141 of the first flow channel 14 is opened, so that the exhaust can smoothly enter the first flow channel 14 through the inlet 141 .
- a filter screen (not shown) may also be added at the inlet 141 of the first flow channel 14 to filter the particles in the box body 10 .
- the inlet 141 of the first flow channel 14 may be provided with a filter screen and a spacer 17 at the same time; the inlet 141 of the first flow channel 14 may also be provided with only the spacer 17, as shown in FIG. 6 ; the inlet of the first flow channel 14 141 can also only set the filter.
- the cooling device 11 may be fixed in the first flow channel 14 .
- the cooling device 11 is fixed in the first flow channel 14 by means of connectors or adhesives.
- the connector may be a bolt, screw, or the like.
- the cooling device 11 can be directly placed in the first flow channel 14 .
- a blocking portion 143 is provided on the wall of the first flow channel 14, and the blocking portion 143 is located between the cooling device 11 and the inlet 141 of the first flow channel 14.
- the blocking portion 143 can block the cooling device 11 and reduce the Due to the displacement of the cooling device 11 in the first flow channel 14 , the inlet 141 is blocked, which affects the risk of the discharge from the casing 10 through the first flow channel 14 normally.
- the blocking portion 143 can block the cooling device 11 to reduce the collision between the cooling device 11 and the filter screen and/or the spacer 17 due to the displacement of the cooling device 11 in the first flow channel 14 , thereby causing the Risk of damage to the filter and/or separator 17 .
- the box body 10 further includes a pressure relief mechanism 18 , the pressure relief mechanism 18 is provided at the outlet 142 of the first flow channel 14 , and the pressure relief mechanism 18 is used when the battery cells 30 are heated. In the event of a runaway, the outlet 142 is opened so that the exhaust in the first flow channel 14 can exit the tank 10 through the outlet 142 .
- the pressure relief mechanism 18 can play a role in balancing the pressure.
- the pressure relief mechanism 18 may open the outlet 142 of the first flow channel 14 when the thermal runaway of the battery cells 30 causes the internal pressure or temperature of the case 10 to reach a preset value, so that the exhaust can be smoothly discharged to the outside of the case 10 .
- the pressure relief mechanism 18 may employ, for example, an explosion-proof valve, a gas valve, a pressure relief valve or a safety valve.
- FIG. 7 is a B-B cross-sectional view of the box body 10 provided by some embodiments shown in FIG. 3 ;
- FIG. 8 is a box body provided by some other embodiments shown in FIG. 3 .
- at least one wall 12 has a plurality of first flow passages 14 formed in the same extension direction. That is, in the case 10, a plurality of first flow channels 14 in the same extension direction may be formed in the inside of one wall 12.
- the first flow channels 14 may also be formed with a plurality of first flow channels 14 extending in the same direction in the interiors of the plurality of walls 12 . Understandably, each first flow channel 14 is provided with a cooling device 11 .
- every two first flow channels 14 in the plurality of first flow channels 14 may be independent of each other, that is, any two first flow channels 14 are not connected, and contain After the discharge in the space 13 enters the first flow channel 14 from the inlet 141 of the first flow channel 14 (not shown in FIG. 7 ), it flows through the cooling device 11 and then exits the box 10 through the outlet 142 of the first flow channel 14 . , the discharges do not interfere with each other during the flow in each of the first flow channels 14 .
- any wall 12 of the box body 10 at least two first flow channels 14 among the plurality of first flow channels 14 may be connected, and the discharge entering into one first flow channel 14 may enter into another flow channel communicating with the first flow channel 14 .
- the exhaust can sequentially flow through the cooling devices 11 in the at least two first flow channels 14 and then be discharged to the outside of the tank 10 . That is to say, during the process of the discharge from the inside of the tank 10 to the outside of the tank 10, the discharge flows in a "Z" shape, and the discharge can be sequentially cooled by a plurality of cooling devices 11 in different first flow passages 14, so that the The cooling effect of the emissions is better.
- the box body 10 is a rectangular parallelepiped and one side wall thereof is provided with two first flow channels 14 communicating with each other as an example, and the two cooling devices 11 in the two first flow channels 14 are in The first flow channels 14 are arranged at intervals in the extending direction, and the two first flow channels 14 are communicated through a connecting hole 144 , and the connecting hole 144 is located between the two cooling devices 11 in the extending direction of the first flow channel 14 .
- the extending direction of the first flow channel 14 is the same as the longitudinal direction of the side wall.
- the function of the cooling device 11 is to cool the exhaust entering the first flow channel 14 .
- the cooling device 11 can have various structural forms, and the cooling structure 111 of the cooling device 11 can also have various structural forms. The specific structures of the cooling device 11 and the cooling structure 111 are described in detail below with reference to the accompanying drawings.
- the cooling device 11 may be made of a material with good heat exchange performance, such as metal, ceramic, and the like.
- the metal may be copper, iron, aluminum, aluminum alloy, stainless steel, and the like.
- FIG. 9 is a schematic structural diagram of the cooling device 11 arranged in the first flow channel 14 according to some embodiments of the present application.
- the cooling structure 111 may include a groove 112 formed on the peripheral wall of the cooling device 11 .
- a gap exists between at least part of the peripheral wall of the cooling device 11 and the wall surface of the first flow channel 14 for the discharge to pass through.
- the discharge can enter the groove 112 and come into contact with the groove wall 12 of the groove 112 .
- the arrangement of the grooves 112 on the cooling device 11 can increase the contact area between the exhaust and the cooling device 11 , thereby improving the cooling capacity of the cooling device 11 .
- a plurality of grooves 112 are arranged on the peripheral wall of the cooling device 11 to further increase the contact area between the exhaust and the cooling device 11 and improve the cooling capacity of the cooling device 11 .
- the cooling device is a strip-shaped component arranged along the extending direction of the first flow channel.
- FIG. 10 is a cross-sectional view of the cooling device 11 provided by some embodiments of the present application
- FIG. 12 is a cross-sectional view of the cooling device 11 provided by further embodiments of the present application.
- the cooling structure 111 may include a second flow channel 113 for the exhaust to pass through, that is, the cooling device 11 may increase the contact area between the cooling device 11 and the flue gas by arranging the second flow channel 113 , and the structure is simple. During the process of the discharge flowing through the cooling device 11 , the discharge can flow through the second flow channel 113 , which is beneficial for the cooling device 11 to cool the discharge.
- a second flow channel 113 may be formed on the outer surface of the cooling device 11 to facilitate the molding of the second flow channel 113 ; as shown in FIG. 11 , a second flow channel 113 may be formed in the cooling device 11 .
- Channel 113 in the process of the exhaust flowing through the cooling device 11, the exhaust can flow directionally inside the cooling device 11; of course, as shown in FIG. 12, it can also be the outer surface of the cooling device 11 and the interior of the cooling device 11
- a second flow channel 113 is formed in each of them, so as to make full use of the cooling device 11 and increase the contact area between the cooling device 11 and the exhaust as much as possible.
- the cross section of the second flow channel 113 formed on the outer surface of the cooling device 11 is open and not closed, as shown in FIG. 10 ; the cross section of the second flow channel 113 formed inside the cooling device 11 is open. The section is closed, as shown in Figure 11.
- the cross section referred to here is a section perpendicular to the extending direction of the second flow channel 113 .
- the cooling device 11 includes an opposite first end 114 and a second end 115 in the extending direction of the first flow channel 14, and the second flow channel 113 passes through the first end 114 and the second end 115, that is, the discharge flows through the first end 114 and the second end 115.
- the exhaust can flow in from one end of the cooling device 11 and flow out from the other end, which increases the time for the exhaust to flow in the first flow channel 14 , that is, increases the contact time between the exhaust and the cooling device 11 .
- the heat exchange time between the exhaust and the cooling device 11 is longer, and the cooling and cooling capacity of the cooling device 11 is improved.
- the cooling device 11 is a strip-shaped component arranged along the extending direction of the first flow channel 14 .
- the size of the outer contour of the cooling device 11 can be adapted to the size of the inner contour of the first flow channel 14, that is, there is no gap between the cooling device 11 and the wall surface of the first flow channel 14, and the exhaust can only pass through the second flow channel.
- Channel 113 flows through cooling device 11 .
- the cooling device 11 is a cylindrical structure arranged along the extending direction of the first flow channel 14
- the outer diameter of the cooling device 11 matches the inner diameter of the first flow channel 14 .
- the second flow channel 113 on the cooling device 11 may extend in a straight line, a curve or a zigzag line. As shown in FIG. 13 , if the second flow channel 113 on the cooling device 11 extends in a straight line, the second flow channel 113 of this structure is simple to form, and the processing cost is low; as shown in FIG. 14 and FIG. 15 , if the first The second flow channel 113 extends in a curved or zigzag shape. This structure can increase the flow path of the exhaust in the second flow channel 113 and further increase the contact time between the exhaust and the cooling device 11 .
- the second flow channel 113 on the cooling device 11 when the second flow channel 113 on the cooling device 11 extends in a curved shape, the second flow channel 113 may be a curved shape in a plane, that is, the centerline of the second flow channel 113 is located in a plane; The second flow channel 113 may also be a curved shape in space, such as a spiral. In FIG. 14, the second flow channel 113 is curved in a plane.
- the extending direction of the second flow channel 113 and the extending direction of the first flow channel 14 may be the same, or may be provided at a non-zero included angle.
- the extending direction of the second flow channel 113 is consistent with the extending direction of the first flow channel 14 .
- the second flow channels 113 are all formed in the cooling device 11 .
- the shape of the cross section of the second flow channel 113 may be various shapes, which are not limited in the embodiment of the present application.
- the cross-section of the second flow channel 113 may be circular, as shown in FIG. 11-FIG. 13; for another example, please refer to FIG. 16, which is a cross-sectional view of the cooling device 11 according to further embodiments of the present application,
- the cross-section of the second flow channel 113 may also be a rectangle; for another example, please refer to FIG. 17 , which is a cross-sectional view of the cooling device 11 provided by further embodiments of the present application.
- the cooling device 11 at least part of the second flow channel
- the cross-sections of the channels 113 are different, and the shapes of the cross-sections of the respective second flow channels 113 may be at least two of a rectangle, a trapezoid, a triangle, and the like.
- the number of second flow channels 113 in the cooling structure 111 may be one or multiple.
- FIGS. 10 to 17 show the case where the cooling structure 111 includes multiple second flow channels 113 .
- the plurality of second flow channels 113 may be independent of each other, or at least two second flow channels 113 may communicate with each other.
- the cooling device 11 may be an integral structure, and the plurality of second flow channels 113 are directly formed on the cooling device 11, as shown in FIGS. 10-17 .
- the cooling device 11 can also be a split structure, that is, the cooling device 11 is divided into multiple parts, and a second flow channel 113 is formed in each part.
- FIG. 18 is a cross-sectional view of the cooling device 11 arranged in the first flow channel 14 according to some embodiments of the present application.
- the cooling device 11 is a split structure, and the cooling device 11 includes multiple Each cooling pipe 116 is formed with a second flow channel 113 inside each cooling pipe 116 . That is to say, a plurality of cooling pipes 116 with the second flow channels 113 formed therein can be used as the cooling device 11 to cool the exhaust, the overall structure is simple, and the manufacturing difficulty of the cooling device 11 is reduced.
- a gap for the exhaust to pass through can also be formed between the cooling pipes 116 , that is, during the process of the exhaust flowing through the cooling device 11 , the exhaust can not only contact the inner wall of the cooling pipe 116 , but also contact the cooling pipe.
- the outer wall of 116 is in contact, and the cooling device 11 with this structure has better cooling and cooling capacity for the exhaust.
- the plurality of cooling pipes 116 in the cooling device 11 can be directly stacked in the first flow channel 14, and the cooling pipes 116 abut against each other and are not fixed;
- the cooling pipe 116 is installed in the first flow channel 14 as a whole.
- each cooling tube 116 of the plurality of cooling tubes 116 may be fixed by welding or bonding.
- FIG. 19 is a schematic structural diagram of the cooling device 11 arranged in the first flow channel 14 according to still some embodiments of the present application.
- the cooling structure 111 may further include a retention space 117 in communication with the second flow channel 113, and the retention space 117 is used to retain the exhaust.
- the stay mentioned here is the temporary stay.
- the retention space 117 can hold the discharge.
- the discharge flows in the second flow channel 113, the discharge can flow into the retention space 117, and the discharge can stay in the retention space 117 for a short time.
- the heat exchange time of the cooling device 11 is not limited to
- the second flow channel 113 may be formed inside the cooling device 11 and/or on the outer surface of the cooling device 11 .
- the second flow channel 113 in the cooling structure 111 may be one or a plurality of. Exemplarily, in FIG. 19 , there is one second flow channel 113 in the cooling device 11 , and the second flow channel 113 is formed inside the cooling device 11 .
- the cooling structure 111 includes a plurality of retention spaces 117 spaced apart along the extending direction of the second flow channel 113 .
- the exhaust can enter into the plurality of retention spaces 117, and the multiple retention spaces 117 can hold the exhaust for multiple times, further increasing the heat between the exhaust and the cooling device 11. exchange time.
- the retention space 117 is inclined from a position perpendicular to the extending direction of the second flow channel 113 to the flow direction X of the exhaust in the second flow channel 113 .
- the inclined arrangement of the retention space 117 makes it easier for the exhaust to flow into the retention space 117 from the second flow channel 113 , and more difficult to flow from the retention space 117 into the second flow channel 113 , thereby increasing the retention time of the exhaust in the retention space 117 .
- the second flow channel 113 has an inlet end 1131 and an outlet end 1132 , and the flow direction X of the discharge in the second flow channel 113 is the direction in which the inlet end 1131 points to the outlet end 1132 .
- the retention space 117 is arranged obliquely from a position perpendicular to the extending direction of the second flow channel 113 to the flow direction X of the discharge in the second flow channel 113 , that is, the part of the retention space 117 connected to the second flow channel 113 is larger than the retention space 117 The other parts are closer to the inlet end 1131.
- the retention space 117 may be a hole provided on the wall surface of the second flow channel 113 , or may be a space surrounding the second flow channel 113 .
- the cooling device 11 may include a plurality of first cooling members 118 , the plurality of first cooling members 118 are arranged at intervals along the extending direction of the first flow channel 14 , and each first cooling member 118 There is a first opening 1181 for the exhaust to pass through, and the first openings 1181 of the plurality of first cooling elements 118 are connected to form a second flow channel 113, and a retention is formed between every two adjacent first cooling elements 118 Space 117.
- the cooling device 11 with this structure has a simple structure and can effectively reduce the difficulty of forming the first flow channel 14 and the retention space 117 .
- the first cooling member 118 can be directly fixed on the wall surface of the first flow channel 14; it is also possible to connect a plurality of first cooling members 118 together through the first connecting body 118a, and then install the whole to the first flow channel 118.
- the cooling device 11 further includes a first connecting body 118a, and each first cooling member 118 is connected to the first connecting body 118a.
- the first connecting body 118a is a hollow tubular structure, the first connecting body 118a is located in the first flow channel 14, and the first cooling member 118 is fixed on the inner wall of the first connecting body 118a.
- the first cooling member 118 includes a first cooling plate 1182 and a second cooling plate 1183 , and the first cooling plate 1182 and the second cooling plate 1183 are oppositely arranged on the inner wall of the first connecting body 118 a
- a first opening 1181 is formed between the first cooling plate 1182 and the second cooling plate 1183
- a retention space 117 is formed between every two adjacent first cooling plates 1182
- every two adjacent second cooling plates A retention space 117 is formed between 1183 .
- the first cooling member 118 may be an annular plate body, and the retention space 117 formed between every two adjacent first cooling members 118 is the space surrounding the second flow channel 113 .
- the second flow channel 113 may be formed on the outer surface of the cooling device 11 and/or inside the cooling device 11 .
- the arrangement of the second flow channels 113 is not limited to this.
- FIG. 20 is a schematic structural diagram of the cooling device 11 arranged in the first flow channel 14 according to further embodiments of the present application;
- FIG. 21 is another embodiment of the present application The provided schematic diagram of the structure of the cooling device 11 arranged in the first flow channel 14;
- the cooling device 11 includes a plurality of second cooling members 119, the plurality of second cooling members 119 are arranged at intervals along the extending direction of the first flow channel 14, and each second cooling member 119 is arranged at intervals along the extending direction of the first flow channel 14.
- the cooling element 119 is provided with a second opening 1191 for the exhaust to pass through, and the second openings 1191 of each adjacent two cooling elements are arranged in a staggered projection along the extending direction of the first flow channel 14 .
- the second openings 1191 communicate with each other to form the second flow channel 113 .
- the projections of the second openings 1191 of every two adjacent second cooling elements 119 along the extending direction of the first flow channel 14 are arranged in a staggered manner, so that the second flow channels 113 are serpentinely distributed, and the discharge passes through the second cooling element 119 .
- the exhaust changes the flow direction under the blocking action of the next second cooling element 119, which increases the flow path of the exhaust and increases the heat exchange time between the exhaust and the cooling device 11.
- the projections of the second openings 1191 of each of the two adjacent second cooling members 119 along the extending direction of the first flow channel 14 are dislocated.
- the projections of the two openings 1191 in the extending direction of the first flow channel 14 are partially overlapped, or they may be completely dislocated, that is, the projections of the two second openings 1191 in the extending direction of the first flow channel 14 do not overlap.
- the second cooling member 119 may be directly fixed on the wall surface of the first flow channel 14; or a plurality of second cooling members 119a may be connected together through the second connecting body 119a, and then the entirety of the second cooling member 119a may be connected to inside the first flow channel 14 .
- the cooling device 11 further includes a second connecting body 119a, and each second cooling member 119 is connected to the second connecting body 119a.
- the second connecting body 119a is a hollow tubular structure, the second connecting body 119a is arranged in the first flow channel 14, and the second cooling member 119 is fixed on the inner wall of the second connecting body 119a.
- the second cooling member 119 is a plate-shaped member.
- the second openings 1191 of each of the two adjacent second cooling elements 119 are arranged at all the dislocations along the extending direction of the first flow channel 14 .
- the second opening 1191 may be a hole provided on the second cooling member 119 ; as shown in FIG. 21 , the second opening 1191 may also be formed by the end of the second cooling member 119 and the second connecting body
- the inner walls of 119a collectively define an opening.
- FIG. 22 is a schematic diagram of the arrangement of the fire fighting mechanism 19 and the cooling device 11 in the first flow channel 14 provided by some embodiments of the application
- FIG. 23 is another embodiment of the application
- FIG. 24 is a schematic diagram of the fire fighting mechanism 19 and the cooling device 11 arranged in the first flow channel 14 provided by some further embodiments of the application.
- the box body 10 further includes a fire fighting mechanism 19.
- the fire fighting mechanism 19 is arranged in the first flow channel 14.
- the fire fighting mechanism 19 is configured to release a fire fighting medium into the first flow channel 14 when the battery cell 30 is thermally out of control.
- the fire fighting medium can be mixed with the discharge. Mixing to achieve the cooling of emissions and the reduction of the concentration of emissions, in order to achieve the purpose of flame retardant.
- the fire fighting medium may be a fire fighting gas or a fire fighting solid or liquid capable of producing a fire fighting gas.
- Fire-fighting solids and fire-fighting liquids can generate fire-fighting gas through phase change, or can generate fire-fighting gas through chemical reaction.
- Fire-fighting gases include but are not limited to inert gases capable of extinguishing fires, carbon dioxide gas, heptafluoropropane gas, sulfur hexafluoride and other incombustible gases.
- the fire fighting mechanism 19 can be arranged in various ways. For example, as shown in FIG. 22 , in the flow direction X of the exhaust in the first flow channel 14 , the fire fighting mechanism 19 is located downstream of the cooling device 11 .
- the discharged material can flow through the cooling device 11 to be cooled, and then be mixed with the fire-fighting medium released by the fire-fighting mechanism 19; for another example, as shown in FIG. Located upstream of the cooling device 11, the emissions generated by the thermal runaway of the battery cells 30 can be mixed with the fire-fighting medium released by the fire-fighting mechanism 19, and then flow through the cooling device 11 for cooling; for another example, as shown in FIG.
- the fire-fighting mechanism 19 It is arranged in a stack with the cooling device 11 in a direction perpendicular to the flow direction X.
- the flow direction X is the flow direction X of the exhaust in the first flow channel 14
- the flow direction X of the exhaust in the first flow channel 14 is the flow direction X of the exhaust in the second flow channel 113 .
- the box 10 further includes a detection device 20 , the detection device 20 is arranged in the first flow channel 14 , and the detection device 20 is used to detect the information parameters of the discharge in the first flow channel 14 .
- the fire fighting mechanism 19 is used for releasing fire fighting medium into the first flow channel 14 when the information parameter reaches a preset value.
- the detection device 20 may be a concentration sensor, a temperature sensor, or the like. If the detection device 20 is a concentration sensor, the detection device 20 can detect the gas concentration of the exhaust in the first flow channel 14, and when the gas concentration reaches a preset value, the fire fighting mechanism 19 releases the fire fighting medium into the first flow channel 14 to realize fire fighting The mechanism 19 releases the fire-fighting medium; if the detection device 20 is a temperature sensor, the detection device 20 can detect the temperature of the discharge in the first flow channel 14, and when the temperature reaches a preset value, the fire-fighting mechanism 19 will send the temperature to the first flow channel 14. The fire-fighting medium is released, and the fire-fighting mechanism 19 releases the fire-fighting medium.
- FIG. 25 is a control principle diagram of the fire protection mechanism 19 provided by some embodiments of the application. Both the detection device 20 and the fire protection mechanism 19 can be used for electrical connection with the control system 21 .
- the control system 21 controls the fire fighting mechanism 19 to release the fire fighting medium into the first flow channel 14 to realize the automatic release of the fire fighting medium by the fire fighting mechanism 19 .
- the control system 21 may be a BMS (Battery Management System, battery management system).
- FIG. 26 is a schematic structural diagram of the fire fighting mechanism 19 shown in FIGS. 22 to 24 .
- the fire fighting mechanism 19 may include a housing 191 and a triggering device 192 , and the triggering device 192 is mounted on the housing 191 .
- an accommodating cavity 1911 and a third flow channel 1912 are formed inside the housing 191.
- the accommodating cavity 1911 is used to accommodate the fire-fighting medium
- the third flow channel 1912 is used for the discharge to pass through
- the trigger device 192 is used to detect the first flow channel in the detection device 20.
- the information parameter of the discharge in 14 reaches a preset value, it is turned on, so that the fire-fighting medium in the accommodating cavity 1911 enters the third flow channel 1912 and mixes with the discharge.
- the trigger device 192 is electrically connected to the control system 21 .
- the triggering device 192 may be an electric switch valve.
- FIG. 27 is a schematic structural diagram of the fire fighting mechanism 19 , the cooling device 11 and the mixing device 22 arranged in the first flow channel 14 according to some embodiments of the application.
- the box 10 further includes Mixing device 22, the mixing device 22 is arranged in the first flow channel 14, the mixing device 22 is used to enable the discharge and the fire fighting medium to be mixed before being discharged from the first flow channel 14, so that the discharge and the fire fighting medium can be mixed more fully, reducing local Risk of excessive concentration.
- the mixing device 22 is located downstream of the fire fighting mechanism 19 .
- the mixing device 22 may be located upstream or downstream of the cooling device 11 .
- the cooling device 11 is located upstream of the fire fighting mechanism 19
- the fire fighting mechanism 19 is located upstream of the mixing device 22 .
- the mixing device 22 may include a blocking structure 221 for blocking the discharge and the fire fighting medium and changing the flow direction X, so that the discharge and fire fighting medium can be blocked by the discharge before being discharged from the first flow channel 14 . mix.
- the blocking structure 221 mixes the discharge and the fire-fighting medium by blocking the discharge and the fire-fighting medium and changing the flow direction X, so that the mixing of the discharge and the fire-fighting medium is more sufficient.
- the blocking structure 221 includes a helical blade 2211 , and the centerline of the helical blade 2211 is coincident with or parallel to the center axis of the first flow channel 14 .
- the helical blades 2211 in the blocking structure 221 may be one or more. In some embodiments, when there are multiple helical blades 2211, the multiple helical blades 2211 may be arranged along the extending direction of the first flow channel 14, and the rotation directions of every two adjacent helical blades 2211 may be oppositely arranged .
- This structure enables the discharge and fire-fighting medium to flow in helical lines of different directions under the action of the helical blades 2211 in different directions during the process of flowing through the blocking structure 221, so that the blocking structure 221 is effective against the discharge. The mixture of the substance and the fire-fighting medium is more complete.
- FIG. 28 is a schematic structural diagram of a blocking structure 221 provided by some embodiments of the present application
- FIG. 29 is a structural schematic diagram of a blocking structure 221 provided by some other embodiments of the present application.
- the blocking structure 221 includes a plurality of blocking members 2212; the plurality of blocking members 2212 are arranged at intervals along the extending direction of the first flow channel 14, each blocking member 2212 is provided with a third opening 2213, and each adjacent two third openings 2213 The projection of the extending direction of the first flow channel 14 is arranged in a misaligned manner.
- the discharge and fire-fighting medium After the discharge and fire-fighting medium pass through the third opening 2213 of one blocking piece 2212, the discharge and fire-fighting medium change their flow directions under the blocking action of the next blocking piece 2212, so that the discharge and fire-fighting medium can be fully discharged by the blocking action of the blocking piece 2212.
- the structure of the blocking structure 221 using a plurality of blocking members 2212 is relatively simple, and can produce a good mixing effect on the discharge and the fire-fighting medium.
- the barrier 2212 of this configuration can increase the flow path of the exhaust and fire fighting medium to enhance cooling of the exhaust.
- the projection dislocation of the third openings 2213 of each of the two adjacent blocking members 2212 along the extending direction of the first flow channel 14 may be a partial dislocation arrangement, that is, two third openings
- the projections of the two third openings 2213 in the extending direction of the first flow channel 14 are partially overlapped, and may also be completely dislocated, that is, the projections of the two third openings 2213 in the extending direction of the first flow channel 14 do not overlap.
- the blocking member 2212 can be directly fixed on the wall surface of the first flow channel 14 ; it is also possible to connect a plurality of blocking members 2212 together through the third connecting body 2214 , and then install the entire blocking member 2212 to the first flow channel 14 as a whole.
- the blocking structure 221 further includes a third connecting body 2214 , and each blocking member 2212 is connected to the third connecting body 2214 .
- the third connecting body 2214 is a hollow tubular structure, the third connecting body 2214 is arranged in the first flow channel 14 , and the blocking member 2212 is fixed on the inner wall of the third connecting body 2214 .
- the blocking member 2212 is a plate-shaped member.
- the third openings 2213 of each of the two adjacent blocking members 2212 are arranged at all positions in the extending direction of the first flow channel 14 .
- the third opening 2213 may be a hole provided on the blocking member 2212; as shown in FIG. 29, the third opening 2213 may also be formed by the end of the blocking member 2212 and the inner wall of the third connecting body 2214. Limit openings.
- FIG. 30 is a D-direction view of the blocking structure 221 shown in FIG. 29
- the D-direction view is a D-direction view of FIG. 29
- the projection of the blocking structure 221 on the extension direction of the first flow channel 14 covers the projection of the first flow channel 14 in the extension direction thereof, and the coverage here refers to complete coverage.
- the blocking structure 221 of this structure has a better blocking effect on the discharge and the fire-fighting medium, so that the discharge and the fire-fighting medium are mixed more fully.
- the blocking structure 221 may also include the helical blade 2211 structure as shown in FIG. 27 and the structure of a plurality of blocking members 2212 as shown in FIGS. 28-29 .
- a plurality of blocking members 2212 and helical blades 2211 are arranged in the first flow passage 14 , and the helical blades 2211 are located downstream of the plurality of blocking members 2212 in the flow direction X of the exhaust in the first flow passage 14 .
- the mixing device 22 may be the blocking structure 221 in the above embodiments, and may also be other structures.
- the movable parts inside the movable parts are rotated or moved to realize the mixing of the fire-fighting medium and the discharge.
- FIG. 31 is a schematic flowchart of a method for manufacturing the battery 100 provided in some embodiments of the present application.
- the method for manufacturing the battery 100 includes:
- S100 provide battery cells 30;
- S200 Provide the box body 10, and the box body 10 includes:
- a plurality of walls 12, the plurality of walls 12 enclose a accommodating space 13 for accommodating the battery cells 30, and at least one wall 12 is formed with a first flow channel 14 inside, and the first flow channel 14 is used to heat the battery cells 30. Emissions generated out of control are discharged to the outside of the tank 10; and
- the cooling device 11 is arranged in the first flow channel 14, and the cooling device 11 is used for cooling the discharge flowing through the cooling device 11;
- the cooling device 11 includes a cooling structure 111 for increasing the contact area between the exhaust and the cooling device 11;
- the battery cells 30 are accommodated in the accommodating space 13 of the case 10 .
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
- Aviation & Aerospace Engineering (AREA)
Abstract
Description
Claims (29)
- 一种箱体,用于电池,所述电池包括电池单体,包括:多个壁,所述多个壁围合形成用于容纳所述电池单体的容纳空间,且至少一个壁的内部形成有第一流道,所述第一流道用于将所述电池单体热失控产生的排放物排出至所述箱体外;以及冷却装置,设于所述第一流道内,所述冷却装置用于对流经所述冷却装置的排放物进行冷却;其中,所述冷却装置包括用于增大所述排放物与所述冷却装置的接触面积的冷却结构。
- 根据权利要求1所述的箱体,其中,所述冷却结构包括供所述排放物通过的第二流道。
- 根据权利要求2所述的箱体,其中,所述冷却装置的外表面和/或所述冷却装置的内部形成有所述第二流道。
- 根据权利要求2或3所述的箱体,其中,所述冷却装置在所述第一流道的延伸方向上包括相对的第一端和第二端,所述第二流道贯通所述第一端和所述第二端。
- 根据权利要求2-4任一项所述的箱体,其中,所述第二流道呈直线形、曲线形或折线形延伸。
- 根据权利要求2-5任一项所述的箱体,其中,所述冷却结构包括多个彼此独立的所述第二流道。
- 根据权利要求2-6任一项所述的箱体,其中,所述冷却装置包括多个冷却管,每个所述冷却管的内部形成有所述第二流道。
- 根据权利要求2-7任一项所述的箱体,其中,所述冷却结构还包括滞留空间;所述滞留空间与所述第二流道连通,所述滞留空间用于滞留所述排放物。
- 根据权利要求8所述的箱体,其中,所述冷却结构包括沿所述第二流道的延伸方向间隔分布的多个滞留空间。
- 根据权利要求8或9所述的箱体,其中,所述滞留空间从垂直于所述第二流道的延伸方向的位置向所述排放物在所述第二流道内的流动方向倾斜布置。
- 根据权利要求8-10任一项所述的箱体,其中,所述冷却装置包括多个第一冷却件;所述多个第一冷却件沿所述第一流道的延伸方向间隔布置,所述多个第一冷却件上设有供所述排放物通过的第一开口,所述多个第一冷却件的所述第一开口连通,以形成所述第二流道,每相邻的两个第一冷却件之间形成所述滞留空间。
- 根据权利要求2所述的箱体,其中,所述冷却装置包括多个第二冷却件;所述多个第二冷却件沿所述第一流道的延伸方向间隔布置,所述多个第二冷却件上设有供所述排放物通过的第二开口,每相邻的两个冷却件的所述第二开口沿所述第一流道的延伸方向的投影错位设置,所述多个第二冷却件的所述第二开口连通,以形 成所述第二流道。
- 根据权利要求1-12任一项所述的箱体,其中,所述箱体还包括:消防机构,设于所述第一流道内,所述消防机构被配置为在所述电池单体热失控时向所述第一流道内释放消防介质。
- 根据权利要求13所述的箱体,其中,在所述排放物于所述第一流道内的流动方向上,所述消防机构位于所述冷却装置的下游或上游;或,所述消防机构与所述冷却装置在垂直于所述流动方向的方向上堆叠布置。
- 根据权利要求13或14所述的箱体,其中,所述箱体还包括:检测装置,设于所述第一流道内,所述检测装置用于检测所述第一流道内的排放物的信息参数;所述消防机构用于在所述信息参数达到预设值时向所述第一流道内释放所述消防介质。
- 根据权利要求13-15任一项所述的箱体,其中,所述箱体还包括:混合装置,设于所述第一流道内,所述混合装置用于使所述排放物和所述消防介质在排出所述第一流道之前能够被混合。
- 根据权利要求16所述的箱体,其中,所述混合装置包括阻挡结构,所述阻挡结构用于对所述排放物和所述消防介质进行阻挡并改变流动方向,以使所述排放物和所述消防介质在排出所述第一流道之前能够被混合。
- 根据权利要求17所述的箱体,其中,所述阻挡结构包括多个阻挡件;所述多个阻挡件沿所述第一流道的延伸方向间隔布置,每个所述阻挡件上设有第三开口,每相邻的两个所述第三开口沿所述第一流道的延伸方向的投影错位设置。
- 根据权利要求17或18所述的箱体,其中,所述阻挡结构在所述第一流道的延伸方向上的投影覆盖所述第一流道在所述延伸方向上的投影。
- 根据权利要求17-19任一项所述的箱体,其中,所述阻挡结构包括螺旋叶片,所述螺旋叶片的中心线与所述第一流道的中轴线重合或平行。
- 根据权利要求17-20任一项所述的箱体,其中,所述阻挡结构包括多个螺旋叶片,所述多个螺旋叶片沿所述第一流道的延伸方向布置,且每相邻的两个螺旋叶片的旋向相反。
- 根据权利要求1-21任一项所述的箱体,其中,至少一个壁的内部形成有延伸方向相同的多个第一流道;所述多个第一流道中的每两个第一流道彼此独立;或,所述多个第一流道中的至少两个第一流道连通。
- 根据权利要求22所述的箱体,其中,所述多个第一流道中的至少两个第一流道连通,所述排放物能够依次流经所述至少两个第一流道中的所述冷却装置后排出至所述箱体外。
- 根据权利要求1-23任一项所述的箱体,其中,所述第一流道包括进口;所述进口设有隔离件,所述隔离件被配置为在所述电池单体热失控时打开所述进口,以使所述排放物能够通过所述进口进入所述第一流道内。
- 根据权利要求24所述的箱体,其中,所述隔离件被配置为在所述电池单体热失控时被破坏,以打开所述进口。
- 根据权利要求1-25任一项所述的箱体,其中,所述箱体还包括泄压机构;所述第一流道包括出口,所述泄压机构设于所述出口,泄压机构用于在所述电池单体热失控时打开所述出口,以使所述第一流道内的排放物能够通过所述出口排出所述箱体。
- 一种电池,包括:电池单体;以及根据权利要求1-26任一项所述的箱体,所述电池单体容纳于所述容纳空间内。
- 一种用电设备,包括根据权利要求27所述的电池。
- 一种电池的制造方法,包括:提供电池单体;提供箱体,所述箱体包括:多个壁,所述多个壁围合形成用于容纳电池单体的容纳空间,且至少一个壁的内部形成有第一流道,所述第一流道用于将电池单体热失控产生的排放物排出至所述箱体外;以及冷却装置,设于所述第一流道内,所述冷却装置用于对流经所述冷却装置的排放物进行冷却;其中,所述冷却装置包括用于增大所述排放物与所述冷却装置的接触面积的冷却结构;将所述电池单体容纳于所述容纳空间内。
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202080106816.6A CN116349063A (zh) | 2020-11-13 | 2020-11-13 | 箱体、电池、用电设备及电池的制造方法 |
| JP2023500399A JP7668335B2 (ja) | 2020-11-13 | 2020-11-13 | 筐体、電池、電力消費装置及び電池の製造方法 |
| KR1020227038808A KR102874832B1 (ko) | 2020-11-13 | 2020-11-13 | 박스 본체, 전지, 전기 기기 및 전지 제조 방법 |
| ES20939475T ES3063875T3 (en) | 2020-11-13 | 2020-11-13 | Box, battery and electrical device |
| PCT/CN2020/128859 WO2022099661A1 (zh) | 2020-11-13 | 2020-11-13 | 箱体、电池、用电设备及电池的制造方法 |
| EP20939475.8A EP4030535B1 (en) | 2020-11-13 | 2020-11-13 | Box, battery and electrical device |
| US17/552,827 US12300847B2 (en) | 2020-11-13 | 2021-12-16 | Box body, battery, electric apparatus and manufacturing method of the battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2020/128859 WO2022099661A1 (zh) | 2020-11-13 | 2020-11-13 | 箱体、电池、用电设备及电池的制造方法 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US17/552,827 Continuation US12300847B2 (en) | 2020-11-13 | 2021-12-16 | Box body, battery, electric apparatus and manufacturing method of the battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2022099661A1 true WO2022099661A1 (zh) | 2022-05-19 |
Family
ID=81587974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2020/128859 Ceased WO2022099661A1 (zh) | 2020-11-13 | 2020-11-13 | 箱体、电池、用电设备及电池的制造方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US12300847B2 (zh) |
| EP (1) | EP4030535B1 (zh) |
| JP (1) | JP7668335B2 (zh) |
| KR (1) | KR102874832B1 (zh) |
| CN (1) | CN116349063A (zh) |
| ES (1) | ES3063875T3 (zh) |
| WO (1) | WO2022099661A1 (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116250138A (zh) * | 2022-06-29 | 2023-06-09 | 宁德时代新能源科技股份有限公司 | 箱体、电池及用电装置 |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023240407A1 (zh) * | 2022-06-13 | 2023-12-21 | 宁德时代新能源科技股份有限公司 | 热管理部件、热管理系统、电池及用电装置 |
| US12603373B2 (en) | 2022-03-23 | 2026-04-14 | Ford Global Technologies, Llc | Traction battery pack assembling method |
| US12567642B2 (en) | 2022-03-23 | 2026-03-03 | Ford Global Technologies, Llc | Shim systems for traction battery packs |
| US12374750B2 (en) | 2022-03-23 | 2025-07-29 | Ford Global Technologies, Llc | Traction battery pack assembling method |
| US12424695B2 (en) | 2022-03-23 | 2025-09-23 | Ford Global Technologies, Llc | Retention assemblies for traction battery packs with cell-to-pack battery systems |
| US12525637B2 (en) | 2022-03-23 | 2026-01-13 | Ford Global Technologies, Llc | Traction battery pack assembling method |
| US12506215B2 (en) | 2022-03-23 | 2025-12-23 | Ford Global Technologies, Llc | Enclosure cover attachment configurations for traction battery packs with cell-to-pack battery systems |
| US12230826B2 (en) | 2022-03-23 | 2025-02-18 | Ford Global Technologies, Llc | Methods for assembling traction battery packs |
| US12479327B2 (en) | 2022-03-23 | 2025-11-25 | Ford Global Technologies, Llc | Traction battery pack cell stack removal method and battery pack assembly |
| US12275298B2 (en) | 2022-03-23 | 2025-04-15 | Ford Global Technologies, Llc | Traction battery packs with cell-to-pack battery systems housed within irregularly shaped enclosures |
| WO2024019633A1 (ru) * | 2022-07-22 | 2024-01-25 | Дмитрий Александрович ЛАШИН | Водное мобильное устройство для зарядки электрических транспортных средств |
| KR102948971B1 (ko) * | 2022-09-06 | 2026-04-03 | 주식회사 엘지에너지솔루션 | 배터리 팩 및 이를 포함하는 자동차 |
| KR20240116270A (ko) * | 2023-01-20 | 2024-07-29 | 주식회사 엘지에너지솔루션 | 배터리 팩 및 이를 포함하는 차량 |
| US20260121217A1 (en) * | 2023-01-20 | 2026-04-30 | Fogtec Brandschutz Gmbh | Battery Extinguishing Container |
| FR3168298A1 (fr) * | 2024-11-07 | 2026-05-08 | Valeo Systemes Thermiques | Boîtier équipé d’une soupape d’évacuation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010539667A (ja) * | 2007-09-21 | 2010-12-16 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 温度調節されるバッテリー装置およびバッテリー装置を温度調節するための方法 |
| CN105742759A (zh) * | 2016-04-22 | 2016-07-06 | 重庆超力高科技股份有限公司 | 电池冷却液温控装置 |
| CN109546262A (zh) * | 2018-11-19 | 2019-03-29 | 北京交通大学 | 一种斜翅片液冷散热装置 |
| CN209766599U (zh) * | 2019-01-29 | 2019-12-10 | 比亚迪股份有限公司 | 一种电池冷却管路、热管理装置及车辆 |
| CN111668406A (zh) * | 2019-03-08 | 2020-09-15 | 比亚迪股份有限公司 | 电池托盘、动力电池包及车辆 |
| CN211798393U (zh) * | 2019-11-06 | 2020-10-30 | 欣旺达电动汽车电池有限公司 | 电池灭火设备,电池组件以及电源 |
Family Cites Families (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000064375A (ja) | 1998-08-17 | 2000-02-29 | Kvk Corp | 給水栓 |
| US7045235B2 (en) * | 2003-03-05 | 2006-05-16 | Hewlett-Packard Development Company, L.P. | Fuel cell system including air flow control |
| JP2007027011A (ja) | 2005-07-20 | 2007-02-01 | Sanyo Electric Co Ltd | 電源装置 |
| KR101247909B1 (ko) | 2010-02-17 | 2013-03-26 | 가부시키가이샤 히타치세이사쿠쇼 | 조전지 시스템 |
| CN202121030U (zh) | 2011-06-29 | 2012-01-18 | 上海航天电源技术有限责任公司 | 高导热锂离子电池安全结构 |
| JP5987569B2 (ja) * | 2011-09-30 | 2016-09-07 | 株式会社Gsユアサ | 電池パック |
| CN103066225B (zh) | 2013-01-24 | 2015-08-19 | 东风汽车公司 | 纯电动汽车动力电池包总成结构 |
| US8999548B2 (en) | 2013-03-13 | 2015-04-07 | GM Global Technology Operations LLC | Liquid-cooled battery module |
| GB2516120B (en) * | 2013-09-13 | 2015-09-23 | Tanktwo Oy | Methods and systems for delivering electric energy |
| DE102014206058A1 (de) * | 2014-03-31 | 2015-10-01 | Bayerische Motoren Werke Aktiengesellschaft | Batteriezelle |
| JP6323347B2 (ja) | 2015-01-23 | 2018-05-16 | 京セラドキュメントソリューションズ株式会社 | 画像形成装置 |
| JP6574987B2 (ja) | 2015-02-25 | 2019-09-18 | パナソニックIpマネジメント株式会社 | 電池モジュール |
| KR102030726B1 (ko) * | 2015-10-15 | 2019-10-10 | 주식회사 엘지화학 | 배터리 팩 |
| KR20180006150A (ko) * | 2016-07-08 | 2018-01-17 | 주식회사 엘지화학 | 안전성이 개선된 셀 모듈 어셈블리 및 이를 위한 팩 구조물 |
| CN206350877U (zh) | 2016-12-30 | 2017-07-25 | 安徽壮志公共安全科技有限公司 | 一种抗溶性泡沫液专用灭火装置 |
| KR102033101B1 (ko) * | 2017-09-27 | 2019-10-16 | 주식회사 엘지화학 | 배터리 모듈, 이를 포함하는 배터리 팩 및 자동차 |
| DE102017218310A1 (de) | 2017-10-13 | 2019-04-18 | Airbus Defence and Space GmbH | Batteriegehäuse, Batterieanordnung und Verfahren zur Herstellung eines Batteriegehäuses |
| CN207409561U (zh) | 2017-11-02 | 2018-05-25 | 宁德时代新能源科技股份有限公司 | 电池箱和电池包 |
| US20190173074A1 (en) | 2017-12-04 | 2019-06-06 | Kabushiki Kaisha Toshiba | Battery |
| CN111771297B (zh) * | 2018-03-12 | 2023-07-11 | 松下知识产权经营株式会社 | 电池组用排气管道以及电池组 |
| US12176566B2 (en) | 2018-08-23 | 2024-12-24 | Panasonic Intellectual Property Management Co., Ltd. | Battery module |
| JP7460321B2 (ja) | 2018-11-07 | 2024-04-02 | 三菱電機株式会社 | 電池収納体 |
| CN209447945U (zh) * | 2018-12-30 | 2019-09-27 | 宁德时代新能源科技股份有限公司 | 一种电池包 |
| KR102415558B1 (ko) * | 2019-02-11 | 2022-07-01 | 주식회사 엘지에너지솔루션 | 냉각제가 배터리 모듈 내로 투입될 수 있는 구조를 갖는 에너지 저장 시스템 |
| JP7306843B2 (ja) | 2019-03-14 | 2023-07-11 | 株式会社Subaru | 車両用電源装置 |
| DE102019008657A1 (de) * | 2019-12-13 | 2021-06-17 | Daimler Ag | Partikelabscheider für Batteriepacks und Batteriepack mit Partikelabscheider |
| CN111416082B (zh) | 2020-04-15 | 2025-05-09 | 上饶市合达信科技有限公司 | 一种热失控导热路径结构 |
| CN111584792B (zh) | 2020-04-21 | 2022-11-29 | 重庆金康动力新能源有限公司 | 一种电池模组 |
| US20210359374A1 (en) * | 2020-05-12 | 2021-11-18 | Samsung Sdi Co., Ltd. | Battery system and vehicle including the battery system |
| KR102948971B1 (ko) * | 2022-09-06 | 2026-04-03 | 주식회사 엘지에너지솔루션 | 배터리 팩 및 이를 포함하는 자동차 |
-
2020
- 2020-11-13 CN CN202080106816.6A patent/CN116349063A/zh active Pending
- 2020-11-13 WO PCT/CN2020/128859 patent/WO2022099661A1/zh not_active Ceased
- 2020-11-13 ES ES20939475T patent/ES3063875T3/es active Active
- 2020-11-13 EP EP20939475.8A patent/EP4030535B1/en active Active
- 2020-11-13 KR KR1020227038808A patent/KR102874832B1/ko active Active
- 2020-11-13 JP JP2023500399A patent/JP7668335B2/ja active Active
-
2021
- 2021-12-16 US US17/552,827 patent/US12300847B2/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010539667A (ja) * | 2007-09-21 | 2010-12-16 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 温度調節されるバッテリー装置およびバッテリー装置を温度調節するための方法 |
| CN105742759A (zh) * | 2016-04-22 | 2016-07-06 | 重庆超力高科技股份有限公司 | 电池冷却液温控装置 |
| CN109546262A (zh) * | 2018-11-19 | 2019-03-29 | 北京交通大学 | 一种斜翅片液冷散热装置 |
| CN209766599U (zh) * | 2019-01-29 | 2019-12-10 | 比亚迪股份有限公司 | 一种电池冷却管路、热管理装置及车辆 |
| CN111668406A (zh) * | 2019-03-08 | 2020-09-15 | 比亚迪股份有限公司 | 电池托盘、动力电池包及车辆 |
| CN211798393U (zh) * | 2019-11-06 | 2020-10-30 | 欣旺达电动汽车电池有限公司 | 电池灭火设备,电池组件以及电源 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP4030535A4 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116250138A (zh) * | 2022-06-29 | 2023-06-09 | 宁德时代新能源科技股份有限公司 | 箱体、电池及用电装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4030535C0 (en) | 2025-12-17 |
| KR102874832B1 (ko) | 2025-10-22 |
| US12300847B2 (en) | 2025-05-13 |
| EP4030535A4 (en) | 2023-09-06 |
| ES3063875T3 (en) | 2026-04-21 |
| EP4030535A1 (en) | 2022-07-20 |
| US20220158296A1 (en) | 2022-05-19 |
| EP4030535B1 (en) | 2025-12-17 |
| CN116349063A (zh) | 2023-06-27 |
| JP2023542590A (ja) | 2023-10-11 |
| JP7668335B2 (ja) | 2025-04-24 |
| KR20220164052A (ko) | 2022-12-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112103443B (zh) | 箱体、电池、用电设备及电池的制造方法 | |
| KR102874832B1 (ko) | 박스 본체, 전지, 전기 기기 및 전지 제조 방법 | |
| CN112928376B (zh) | 箱体、电池及装置 | |
| WO2023004723A1 (zh) | 电池单体及其制造方法和制造系统、电池以及用电装置 | |
| WO2023004722A1 (zh) | 电池单体及其制造方法和制造系统、电池以及用电装置 | |
| CN112086604A (zh) | 电池、用电设备、制备电池的方法和装置 | |
| WO2023141774A1 (zh) | 电池、用电设备、制造电池的方法和设备 | |
| JP7806281B2 (ja) | 電池及び電力消費装置 | |
| KR20220107025A (ko) | 배터리, 장치, 배터리 제조 방법 및 배터리 제조 장치 | |
| WO2022082389A1 (zh) | 电池、用电设备、制备电池的方法和装置 | |
| WO2022252010A1 (zh) | 电池单体及其制造方法和制造系统、电池以及用电装置 | |
| JP7483920B2 (ja) | 消防装置、筐体アセンブリ、電池、電力消費装置及び電池の製造方法 | |
| WO2022205080A1 (zh) | 电池、用电装置、制备电池的方法和装置 | |
| WO2022082392A1 (zh) | 电池、用电设备、制备电池的方法和设备 | |
| WO2023141878A1 (zh) | 电池、用电装置及电池的制造方法和制造设备 | |
| WO2022134123A1 (zh) | 阀、电池、用电设备、阀的制造设备和方法 | |
| WO2022082391A1 (zh) | 电池、用电装置、制备电池的方法和设备 | |
| US20230361423A1 (en) | Battery, electric device, and method and device for manufacturing battery | |
| WO2023133784A1 (zh) | 电池、用电设备、制备电池的方法和设备 | |
| EP4270576B1 (en) | Battery, electrical device, and battery preparation method and device | |
| US20230344017A1 (en) | Battery, electric apparatus, and method and apparatus for preparing battery | |
| RU2805991C1 (ru) | Батарея и связанное с ней устройство, способ ее изготовления и устройство для ее изготовления | |
| CN116995362A (zh) | 一种电池及用电装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ENP | Entry into the national phase |
Ref document number: 2020939475 Country of ref document: EP Effective date: 20211216 |
|
| ENP | Entry into the national phase |
Ref document number: 20227038808 Country of ref document: KR Kind code of ref document: A |
|
| ENP | Entry into the national phase |
Ref document number: 2023500399 Country of ref document: JP Kind code of ref document: A |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| WWG | Wipo information: grant in national office |
Ref document number: 2020939475 Country of ref document: EP |