WO2023075524A1 - 안전성이 향상된 배터리 팩 - Google Patents
안전성이 향상된 배터리 팩 Download PDFInfo
- Publication number
- WO2023075524A1 WO2023075524A1 PCT/KR2022/016749 KR2022016749W WO2023075524A1 WO 2023075524 A1 WO2023075524 A1 WO 2023075524A1 KR 2022016749 W KR2022016749 W KR 2022016749W WO 2023075524 A1 WO2023075524 A1 WO 2023075524A1
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- WO
- WIPO (PCT)
- Prior art keywords
- fire extinguishing
- battery
- module
- tank
- battery module
- 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
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Classifications
-
- 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
-
- 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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
- A62C35/023—Permanently-installed equipment with containers for delivering the extinguishing substance the extinguishing material being expelled by compressed gas, taken from storage tanks, or by generating a pressure gas
-
- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- 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
- H01M50/251—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for stationary devices, e.g. power plant buffering or backup power supplies
-
- 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
- H01M50/367—Internal gas exhaust passages forming part of the battery cover or case; Double cover vent systems
-
- 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
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
- H01M50/673—Containers for storing liquids; Delivery conduits therefor
- H01M50/682—Containers for storing liquids; Delivery conduits therefor accommodated in battery or cell casings
-
- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- 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
- H01M2200/20—Pressure-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
- H01M2220/10—Batteries in stationary systems, e.g. emergency power source in plant
-
- 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 invention relates to a battery, and more particularly, to a battery pack configured to ensure safety even when a thermal event occurs.
- a lithium secondary battery mainly use lithium-based oxides and carbon materials as positive electrode active materials and negative electrode active materials, respectively.
- a lithium secondary battery includes an electrode assembly in which a positive electrode plate and a negative electrode plate coated with such a positive electrode active material and a negative electrode active material are disposed with a separator therebetween, and an exterior material that seals and houses the electrode assembly together with an electrolyte, that is, a battery case.
- lithium secondary batteries can be classified into a can-type secondary battery in which an electrode assembly is embedded in a metal can and a pouch-type secondary battery in which an electrode assembly is embedded in a pouch of an aluminum laminate sheet, depending on the shape of an exterior material.
- a plurality of battery cells are included in various battery packs, including those used in such residential ESSs, to increase capacity and/or output.
- a plurality of battery cells are often arranged in a dense state in a very narrow space.
- one of the typically important issues is safety.
- a thermal event occurs in one battery cell among a plurality of battery cells included in a battery pack
- propagation of the event to other battery cells needs to be suppressed.
- a venting gas may be ejected from a battery cell in which thermal runaway occurs, and the venting gas may cause thermal runaway of other battery cells, resulting in thermal propagation.
- a plurality of battery cells included in the battery pack may be grouped into two or more battery modules. At this time, the propagation of a thermal runaway event generated inside a specific battery module to other battery modules needs to be suppressed.
- an object of the present invention is to provide a battery pack having an improved structure so as to appropriately control a thermal event generated therein.
- a battery pack according to an aspect of the present invention for achieving the above object includes a battery module including one or more battery cells; a control module connected to the battery module and configured to manage the battery module; and a fire extinguishing tank holding a fire extinguishing agent and coupled to at least one of the battery module and the control module.
- the fire extinguishing tank may be mounted between the battery module and the control module.
- control module may be configured to be detachable from at least one side of the battery module.
- the fire extinguishing tank may have tank fastening parts configured to be coupled to the control module and the battery module, respectively, at an upper end and a lower end.
- the fire extinguishing tank may include a connection member electrically connecting the battery module and the control module.
- the fire extinguishing tank may be located above the battery module so that the fire extinguishing agent freely falls toward the battery module.
- the fire extinguishing agent may include at least one of antifreeze, brine, and insulating oil.
- the fire extinguishing tank may be configured to be ruptured under a predetermined condition, and may include a rupture member configured to allow the outflow of the fire extinguishing agent upon rupture.
- the rupture member may be implemented as a glass bulb.
- the battery module may have an opening communicating with an internal space, and at least a portion of the rupture member may be inserted into the opening of the battery module.
- a venting path may be formed in the fire extinguishing tank so that the venting gas is moved.
- two or more battery modules may be included, and the fire extinguishing tank may be configured such that the fire extinguishing agent can be separately injected into each of the two or more battery modules.
- an energy storage system for achieving the above object includes a battery pack according to the present invention.
- a battery pack with improved safety may be provided.
- the thermal event can be quickly controlled.
- the temperature of the corresponding battery cells can be rapidly lowered by injecting a fire extinguishing agent.
- a fire extinguishing agent for example, a liquid fire extinguishing agent is injected, so that the fire can be immediately extinguished.
- fire suppression performance by a fire extinguishing agent can be stably secured.
- the fire extinguishing liquid does not easily freeze even when exposed to temperatures below zero for a long time, it is possible to install and use the battery pack outdoors.
- a fire extinguishing agent may be injected only for the corresponding battery module.
- FIG. 1 is an exploded perspective view schematically showing the configuration of a battery pack according to an embodiment of the present invention.
- Figure 2 is a combined perspective view of the configuration of Figure 1.
- FIG. 3 is a perspective view schematically illustrating a configuration in which a fire extinguishing tank is removed from a battery pack according to an embodiment of the present invention.
- FIG. 4 is a diagram schematically showing a configuration in which a fire extinguishing tank is assembled with respect to the battery pack configuration of FIG. 3 .
- FIG. 5 is a bottom perspective view schematically showing the configuration of a control module according to an embodiment of the present invention.
- FIGS. 6 and 7 are perspective views schematically showing a form viewed from the top and bottom of the fire extinguishing tank according to an embodiment of the present invention.
- FIG. 8 is a cross-sectional view schematically showing some configurations of a battery pack according to an embodiment of the present invention.
- FIG. 9 is an enlarged view showing a partial cross-sectional configuration of a battery pack according to an embodiment of the present invention as viewed from the front.
- FIG. 10 is a view showing a partial cross-sectional configuration of a battery pack according to an embodiment of the present invention as viewed from above.
- FIG. 11 is a diagram schematically illustrating a partial cross-sectional configuration of a battery pack according to an embodiment of the present invention as viewed from the side.
- FIG. 1 is an exploded perspective view schematically illustrating a configuration of a battery pack according to an embodiment of the present invention
- FIG. 2 is a combined perspective view of the configuration of FIG. 1 .
- the battery pack according to the present invention includes a battery module 100 , a control module 200 and a fire extinguishing tank 300 .
- the battery module 100 may include one or more battery cells.
- each battery cell may mean a secondary battery.
- a secondary battery may include an electrode assembly, an electrolyte, and a battery case.
- the battery cells included in the battery module 100 may be pouch-type secondary batteries.
- other types of secondary batteries such as cylindrical batteries or prismatic batteries, may also be employed in the battery module 100 of the present invention.
- the battery module 100 may include a module case for accommodating battery cells.
- the module case may have an empty space therein so that a plurality of battery cells may be accommodated in the empty space.
- the module case as shown in FIG. 1, may be formed in a substantially rectangular parallelepiped shape and erected in a vertical direction (Z-axis direction) perpendicular to the ground.
- the control module 200 may control the overall operation of the battery pack.
- the control module 200 may be electrically connected to the battery module 100 .
- the control module 200 may be configured to manage the battery module 100 .
- the control module 200 may be configured to control a charging operation or a discharging operation of the battery module 100 .
- the control module 200 may be configured to measure, calculate, receive, or control various electrical, physical, and chemical characteristics of the battery module 100, a battery cell included therein, or its surrounding environment.
- the control module 200 may measure, calculate, or control voltage, current, temperature, state of charge (SOC), state of health (SOH), internal resistance, etc. of the battery cell or battery module 100.
- SOC state of charge
- SOH state of health
- the control module 200 may receive operating power from the battery module 100 to manage the battery module 100 .
- the control module 200 may exchange various data with the battery module 100 or other external devices through a wired or wireless communication network.
- the control module 200 may include various electric components such as a battery management system (BMS), a relay, and a current sensor.
- BMS battery management system
- the control module 200 may include a control housing for accommodating such electrical components.
- control module 200 may include a pack terminal. These pack terminals may be configured to be connected to a battery pack and an external charging or discharging device.
- the pack terminal may include an outlet, a plug, or a connector to be connected to commercial power or a load.
- the control module 200 may have a power path for exchanging charging power and discharging power with the battery module 100 . This power path may function as a path for exchanging charging and discharging power between the pack terminal and the battery module 100 .
- the fire extinguishing tank 300 may hold a fire extinguishing agent.
- the fire extinguishing agent various substances capable of suppressing or suppressing fire or lowering the temperature may be employed.
- the fire extinguishing tank 300 may include a tank housing for holding such fire extinguishing agent in an internal space.
- the fire extinguishing tank 300 may be coupled to at least one of the battery module 100 and the control module 200.
- the fire extinguishing tank 300 may be combined with the battery module 100.
- the fire extinguishing tank 300 may be combined with the control module 200.
- the fire extinguishing tank 300 may be configured to be detachable.
- the tank housing of the fire extinguishing tank 300 may be configured to be mounted on and detached from the module case of the battery module 100 .
- the tank housing of the fire extinguishing tank 300 may be configured to be mounted and detachable from the control housing of the control module 200.
- safety can be greatly improved by mounting the fire extinguishing tank 300 to the battery pack including the battery module 100 and the control module 200 .
- an abnormal situation occurs in the battery pack, for example, when a thermal runaway situation occurs inside the battery module 100 or when a fire occurs in the battery module 100 or the control module 200, the fire is prevented through the fire extinguishing agent. A fire can be suppressed or extinguished.
- a thermal runaway situation or an overheating situation may be prevented. Therefore, it is possible to prevent an increase in the risk of fire or the like to other parts outside the battery pack due to an abnormal situation such as a fire or overheating of the battery pack.
- the fire extinguishing tank 300 may be mounted between the battery module 100 and the control module 200.
- the battery module 100 may be located under the control module 200 .
- the fire extinguishing tank 300 may be located above the battery module 100 and below the control module 200.
- the fire extinguishing tank 300 is disposed adjacent to both the battery module 100 and the control module 200. It can be. Therefore, when a thermal event occurs in the battery module 100 and the control module 200, it can respond quickly and effectively.
- control module 200 may be configured to be detachable from at least one side of the battery module 100 . This will be described in more detail with reference to FIGS. 3 to 5 .
- FIG. 3 is a perspective view schematically showing a configuration in which the fire extinguishing tank 300 is removed from the battery pack according to an embodiment of the present invention.
- FIG. 4 is a diagram schematically showing a configuration in which the fire extinguishing tank 300 is assembled with respect to the battery pack configuration of FIG. 3 .
- 5 is a bottom perspective view schematically showing the configuration of the control module 200 according to an embodiment of the present invention.
- the fire extinguishing tank 300 may not be interposed between the control module 200 and the battery module 100 .
- the control module 200 may be mounted directly on top of the battery module 100 in a state where the fire extinguishing tank 300 is not located at the bottom.
- the control module 200 may be configured to be detachable again after being mounted on top of the battery module 100 .
- the battery module 100 and the control module 200 may be configured to be electrically and mechanically coupled to each other.
- a module connector for electrical connection may be provided at the top of the battery module 100 as indicated by E1 in FIG. 4 .
- the control module 200 may have a control connector provided at a lower portion, as indicated by E2 in FIG. 5 .
- the control connector E2 may be configured to be directly connectable with the module connector E1.
- the module connector E1 and the control connector E2 are electrically connected to each other, so that charging/discharging power or electrical signals (data) can be transmitted.
- the battery module 100 and the control module 200 may separately include a power supply connector for transmitting and receiving charging/discharging power and a communication connector for transmitting and receiving electrical signals, respectively.
- the battery module 100 may have a module fastening portion formed thereon.
- the control module 200 may have a control fastening part formed thereon.
- the control fastening part C2 and the module fastening part C1 may be configured to be coupled and fixed to each other.
- the module fastening part C1 and the control fastening part C2 may be configured to be fastened to each other through bolt coupling.
- the control fastening part C2 can be directly attached to or separated from the module fastening part C1.
- the battery module 100 and the control module 200 may be configured to be directly coupled mechanically and electrically to each other.
- the control module 200 may be coupled to the battery module 100 in a plug-in manner, in which electrical connection is made while seated on the battery module 100 .
- the fire extinguishing tank 300 may be interposed in the space between the battery module 100 and the control module 200 as indicated by the dotted line in FIG. 4 .
- the battery pack according to one aspect of the present invention is a fire extinguishing tank 300 between the battery module 100 and the control module 200 Can be implemented in the form of being inserted and mounted.
- the safety of the fire extinguishing tank 300 can be ensured while maximally utilizing the existing battery pack structure or production line.
- the fire extinguishing tank 300 is between the battery module 100 and the control module 200. It is configured to intervene in, so that safety against thermal events can be ensured.
- the fire extinguishing tank 300 may be configured to be mechanically coupled with the battery module 100 and/or the control module 200. To this end, the fire extinguishing tank 300 may have a tank fastening part. This will be described in more detail with reference to FIGS. 6 to 8 .
- FIG. 6 and 7 are perspective views schematically showing the form of the fire extinguishing tank 300 according to an embodiment of the present invention as viewed from the top and bottom.
- 8 is a schematic cross-sectional view of some configurations of a battery pack according to an embodiment of the present invention. For example, it can be said that FIG. 8 shows a cross-sectional configuration along line A1-A1' in FIG. 1 .
- the fire extinguishing tank 300 may have a tank fastening part for coupling with the control module 200 at the upper end, as indicated by C32.
- the tank fastening part C32 is a fastening part provided on the tank housing of the fire extinguishing tank 300, and may be configured to be coupled with the control module 200.
- the tank fastening part C32 formed at the upper end of the fire extinguishing tank 300 is controlled fastening. It may be configured to be coupled with the unit (C2).
- the upper tank fastening part C32 may be configured to be bolted to the control fastening part C2.
- the upper tank fastening part C32 and the control fastening part C2 may be bolted to each other.
- the control module 200 and the fire extinguishing tank 300 may be fixed to each other by bolting between the control fastening part C2 and the upper tank fastening part C32.
- the control module 200 may be prepared to be directly seated on the battery module 100 .
- the control fastening part C2 may be configured to be originally coupled to the module fastening part C1 of the battery module 100 .
- the tank fastening part C32 provided in the fire extinguishing tank 300 may be configured such that the control fastening part C2 is coupled.
- the tank fastening part C32 may have the same shape and horizontal position as the module fastening part C1. That is, the upper tank fastening part C32 may be configured to have compatibility replacing the module fastening part C1 with respect to the control fastening part C2.
- the fire extinguishing tank 300 may have a tank fastening part for coupling with the battery module 100 at the lower end.
- the tank fastening unit may be provided at the lower edge portion of the fire extinguishing tank 300 and coupled to the battery module 100, as indicated by C31.
- the lower tank fastening part C31 of the fire extinguishing tank 300 is such a module fastening part ( C1) and can be configured to be combined.
- the lower tank fastening part C31 may be configured to be bolted to the module fastening part C1.
- the lower tank fastening part C31 and the module fastening part C1 may be bolted to each other.
- the battery module 100 and the fire extinguishing tank 300 may be fixed to each other by bolting between the module fastening part C1 and the lower tank fastening part C31.
- the battery module 100 may be configured to be directly coupled with the control module 200 .
- the module fastening part C1 may be configured to be originally coupled to the control fastening part C2 of the control module 200 .
- the tank fastening part C31 provided in the fire extinguishing tank 300 has the same shape and horizontal direction as the control fastening part C2 so that it can be combined with this module fastening part C1. can have a location. That is, the lower tank fastening part C31 may be configured to have compatibility replacing the control fastening part C2 with respect to the module fastening part C1.
- a configuration in which the fire extinguishing tank 300 is assembled in the space between the battery pack in which the battery module 100 and the control module 200 are directly coupled can be easily implemented.
- compatible use of the fire extinguishing tank 300 is possible without the need to change the configuration of the existing battery module 100 or the control module 200.
- the battery module 100, the fire extinguishing tank 300, and the control module 200 may be configured in a sequentially stacked form in an upper direction. According to this, the laminated state can be stably maintained.
- the fire extinguishing tank 300 may be provided with various types of fastening parts for mechanically coupling with the battery module 100 and/or the control module 200.
- the fire extinguishing tank 300 may be mechanically coupled to the battery module 100 and/or the control module 200 in various ways such as hook coupling, insertion coupling, or rivet coupling.
- the fire extinguishing tank 300 may include a connection member 330 .
- the connecting member 330 is a component electrically connecting the battery module 100 and the control module 200 to each other.
- the connection member 330 may be interposed between the module connector E1 provided in the battery module 100 and the control connector E2 provided in the control module 200 to connect them.
- the connection member 330 may have both ends coupled to the module connector E1 and the control connector E2 so that charging/discharging power and/or electrical signals may be transmitted.
- connection member 330 may be configured in the form of a cable extending long in one direction so that power or electrical signals can move.
- the connection member 330 may include tank connectors at both ends of the cable.
- the connecting member 330 may have a tank connector at its lower end.
- the lower tank connector E31 may be connected to the module connector E1 of the battery module 100 .
- the connection member 330 may have a tank connector at an upper end, as indicated by E32 in FIGS. 6 and 8 .
- the upper tank connector E32 may be connected to the control connector E2 of the control module 200 .
- the fire extinguishing tank 300 may include an inner tank 310 and an outer tank 320.
- the inner tank 310 has an empty space therein, and the fire extinguishing agent can be directly accommodated in this inner space.
- the inner tank 310 may be configured in a sealed form to accommodate the fire extinguishing agent.
- the inner tank 310 may be configured to have an airtight performance of IP rating 55 or higher so that the digestive fluid or the like does not leak under normal conditions.
- the outer tank 320 may be larger than the inner tank 310 and configured to accommodate the inner tank 310 in the inner space. Therefore, it can be said that the fire extinguishing tank 300 is, at least partially, composed of a double structure.
- the inner tank 310 and the outer tank 320 may be configured to be at least partially spaced apart.
- the inner tank 310 and the outer tank 320 may be configured to be at least partially spaced apart in the left and right directions.
- an empty space may be formed between the sidewall of the inner tank 310 and the sidewall of the outer tank 320, as indicated by A5.
- the fire extinguishing agent inside the fire extinguishing tank 300 can be held more safely.
- the transmission of the shock can be alleviated by the double structure of the outer tank 320 and the inner tank 310 and the empty space formed therebetween. Therefore, by preventing the fire extinguishing tank 300, particularly the inner tank 310, from being damaged by shock or vibration, it is possible to prevent the fire extinguishing agent from leaking abnormally.
- the connecting member 330 may be located in a space between the inner tank 310 and the outer tank 320.
- an empty space may be formed between the right wall of the inner tank 310 and the right wall of the outer tank 320 .
- the connection member 330 may be located in this separation space.
- an empty space having a similar shape may be formed between the left wall of the inner tank 310 and the left wall of the outer tank 320, and the connecting member 330 may be positioned therein.
- the connecting member 330 may not directly contact the fire extinguishing agent inside the fire tank 300. Therefore, problems such as corrosion of the connecting member 330 by the fire extinguishing agent or leakage of current can be prevented.
- the fire extinguishing tank 300 may be located above the battery module 100 . And, the fire extinguishing agent discharged from the fire extinguishing tank 300 may be configured to freely fall toward the battery module 100.
- the fire extinguishing tank 300 does not require a separate power source to move the fire extinguishing agent to the side of the battery module 100, and the fire extinguishing agent can be quickly injected.
- the fire extinguishing agent is injected into the battery module 100, and this injection process may be performed naturally in a free fall manner. Therefore, according to this embodiment of the present invention, it is possible to efficiently thermally control a battery cell whose temperature has risen due to thermal runaway or the like.
- the fire extinguishing agent may include a substance in a liquid state. That is, the fire extinguishing tank 300 may accommodate a liquid material as a fire extinguishing agent in the inner space of the inner tanks 310 and 310.
- the fire extinguishing agent may be water, a mixture of water and one or more additives, or a liquid containing the same.
- the liquid fire extinguishing agent can be easily injected into the lower battery module 100 through a free fall method.
- the fire extinguishing agent in a liquid state may be advantageous for lowering the temperature of the battery module 100 and suppressing a fire.
- the digestive fluid can quickly and smoothly flow into the battery module 100, especially to the lower part of the module.
- the inflow of oxygen into the battery module, particularly the battery cell where the event occurs can be suppressed.
- the fire extinguishing agent may include at least one of antifreeze, brine, and insulating oil. That is, the fire extinguishing tank 300 may hold antifreeze, brine, and/or insulating oil as fire extinguishing agents, or may additionally hold other substances together with such liquid substances.
- outdoor installation of the battery pack may be more advantageous.
- a battery pack used in a residential ESS or an industrial ESS it can be used outdoors.
- antifreeze, salt water, or insulating oil is used as a fire extinguishing agent
- the liquid state can be maintained without freezing even at low temperatures. Therefore, in a situation where the fire extinguishing agent must be injected into the battery module 100, a problem in which the fire extinguishing agent cannot be injected due to freezing can be prevented.
- the volume from changing according to the external temperature the problem of freezing and bursting of the fire extinguishing tank 300 and the like can be prevented.
- the fire extinguishing tank 300 may include a rupture member 340 .
- the rupture member 340 may be ruptured under certain conditions.
- the fire extinguishing agent may be discharged.
- the rupture member 340 may be configured to communicate with the inner space of the fire extinguishing tank 300.
- the rupture member 340 may be configured to communicate with the inner space of the inner tank 310.
- the inner tank 310 may be formed in a substantially sealed form, and an input hole may be formed.
- the rupture member 340 may be inserted into the input hole to close the input hole.
- the injection hole is opened, and the fire extinguishing agent contained in the inner tank 310 may flow out.
- the rupture member 340 may be located below the fire extinguishing tank 300. In this case, when the rupture member 340 ruptures, the fire extinguishing agent may be more smoothly injected into the battery module 100 side. In particular, the fire extinguishing agent may be injected into the battery module 100 in a free fall manner.
- At least one rupture member 340 may be provided in one fire extinguishing tank 300 .
- four rupture members 340 may be provided in one fire extinguishing tank 300 .
- the rupture member 340 may be configured to be broken by conditions such as temperature or pressure.
- the rupture member 340 may be configured to rupture under conditions of a certain temperature or higher and/or a certain pressure or higher.
- the rupture member 340 may be configured to be ruptured by a venting gas. That is, when an event such as thermal runaway occurs in the battery module 100 , venting gas may be generated and discharged from the battery module 100 . At this time, the rupturing member 340 may be made of a material or shape that can be ruptured by the heat or pressure of the venting gas.
- the rupture member 340 may be implemented as a glass bulb.
- an input hole may be formed in the fire extinguishing tank 300, and the glass bulb may be inserted into and fastened to the input hole.
- the glass bulb may be damaged when in contact with the venting gas, so that the fire extinguishing agent inside the fire extinguishing tank 300 is ejected to the outside, particularly to the battery module 100 side.
- the fire extinguishing tank 300 is simply configured, the fire extinguishing agent is injected into the battery module 100 side more smoothly.
- a configuration in which the rupture member 340 is ruptured by the venting gas generated from the battery module 100 can be more easily provided.
- the rupturable member 340 may be implemented in various materials or shapes capable of rupturing according to changes in conditions such as heat or pressure.
- the rupture member 340 may be implemented in the form of a vinyl material or an injection molding product.
- An opening may be formed in the battery module 100 to communicate with an internal space.
- the battery module 100 may have an opening formed at an upper end thereof. Also, these openings O1 may communicate with the inner space of the module case where the battery cells are located.
- the rupture member 340 may be inserted into the opening O1 of the battery module 100 .
- the rupture member 340 may be inserted into the inner space of the battery module 100 through the opening O1.
- the fire extinguishing agent may flow into the inner space of the battery module 100 . Accordingly, it is possible to more effectively respond to thermal events occurring inside the battery module 100, such as thermal runaway, gas ejection, fire, and the like. Furthermore, a battery cell that is a direct target of a thermal event may be located in the inner space of the battery module 100 . Therefore, according to the above embodiment, the fire extinguishing agent can be directly injected into the battery cell. Therefore, it can be more advantageous for suppression or prevention of fire or the like.
- the rupture member 340 such as a glass bulb can more quickly respond to the venting gas. That is, when venting gas is generated in the inner space of the battery module 100, the venting gas may be discharged to the outside of the battery module 100 through the opening O1.
- the opening O1 may function as a venting gas outlet in the battery module 100 .
- a large amount of venting gas may be discharged toward the opening O1 located on the upper side.
- the glass bulb may be quickly ruptured when the venting gas is generated. Therefore, when a thermal event occurs, a more rapid dosing of the fire extinguishing agent may be possible.
- the fire extinguishing agent since the fire extinguishing agent may be directly injected into the venting gas, the temperature of the venting gas may be lowered and discharge of an external ignition source such as a flame or spark included in the venting gas may be suppressed.
- the opening O1 formed in the battery module 100 may not necessarily be provided for discharging a venting gas or the like.
- the opening O1 provided at the top of the battery module 100 shown in FIG. 2 may be provided for carrying the battery module 100 . That is, the opening O1 may be configured to provide a space in which a worker or a carrying device can insert and grip a finger or a gripping tool when the battery module 100 is transported.
- the opening O1 may be provided with a configuration for inserting the control module 200 or the fire extinguishing tank 300.
- the fire extinguishing tank 300 may have a venting path configured to allow venting gas to move. That is, when the venting gas is discharged from the opening O1 of the battery module 100, a venting path may be formed inside and/or outside the fire extinguishing tank 300 so that the venting gas is discharged to a specific part. This venting path may be formed with the fire extinguishing tank 300 alone or with other components. This will be further described with reference to FIGS. 9 and 10 together with FIG. 8 .
- FIG. 9 is an enlarged view showing a partial cross-sectional configuration of a battery pack according to an embodiment of the present invention as viewed from the front.
- FIG. 9 may be referred to as an enlarged view of portion A4 of FIG. 8 .
- 10 is a view showing a partial cross-sectional configuration of a battery pack according to an embodiment of the present invention as viewed from above.
- FIG. 10 is a cross-sectional view along line A6-A6' in FIG. 1 .
- the fire extinguishing tank 300 and the battery module 100 may be configured to be partially spaced apart from each other. And, this separation space may communicate with the opening O1 of the battery module 100 and function as a venting path. For example, an empty space may be formed between the top of the battery module 100 and the bottom of the fire extinguishing tank 300, as indicated by A7 in FIG. 9 .
- the venting gas discharged through the opening O1 may be discharged to the outside through the separation space A7 between the battery module 100 and the fire extinguishing tank 300, as indicated by arrow A8.
- the separation space A7 between the battery module 100 and the fire extinguishing tank 300 may be provided as a venting path.
- the venting path formed between the battery module 100 and the fire extinguishing tank 300 is connected to the outside of the battery pack, so that venting gas inside the battery pack can be discharged to the outside.
- the venting path may be formed inside the fire extinguishing tank 300.
- the fire extinguishing tank 300 includes the inner tank 310 and the outer tank 320
- an empty space may be formed between the inner tank 310 and the outer tank 320.
- the space between the inner tank 310 and the outer tank 320 may function as a venting path.
- the separation space A5 between the inner tank 310 and the outer tank 320 may communicate with the opening O1 of the battery module 100 .
- the venting path formed between the inner tank 310 and the outer tank 320 is connected to the outside of the battery pack, so that venting gas inside the battery pack can be discharged to the outside.
- venting path is between the fire extinguishing tank 300 and the battery module 100 as indicated by A8 in FIG. 9 and between the outer tank 320 and the inner tank 310 as indicated by A5 in FIG. can be formed together. Also, these venting paths may communicate with each other and be connected to the opening O1 and the external space.
- the venting gas discharged from the inside of the battery module 100 toward the opening O1 breaks the rupture member 340, for example, the glass bulb located in the opening O1, so that the fire extinguishing agent can enter the battery module 100. can be introduced into
- the venting gas is vented between the space between the fire extinguishing tank 300 and the battery module 100 and between the outer tank 320 and the inner tank 310, as indicated by arrows A9 and A9' in FIG. 10 . After passing through each path, they may be discharged to the outside of the battery module 100 . More specifically, referring to the embodiment of FIG.
- the venting gas moves in the left and right directions (X-axis direction) in the internal space of the fire extinguishing tank 300, then moves backward (+Y-axis direction), It can be discharged to the outside of the pack.
- the outlet of the venting path in the battery pack may be located at the rear of the battery pack.
- the venting gas discharge configuration is provided by the fire extinguishing tank 300 mounted on the battery module 100, so that the venting gas inside the battery module 100 is smoothly discharged to the outside, so that the battery Explosion due to an increase in the internal pressure of the module 100 can be prevented.
- the direction of the venting gas discharged from the battery module 100 can be effectively controlled by the fire extinguishing tank 300 .
- the venting gas may be directed to flow toward the rupture member 340 . Accordingly, when venting gas is generated, the rupture member 340 can be quickly ruptured.
- the venting gas can be moved to the rear side of the battery pack, as shown in FIG. 10 . Therefore, it is possible to prevent direct exposure of the venting gas to a user or other components located on the front side of the battery pack.
- Two or more battery modules 100 may be included in a battery pack.
- the fire extinguishing tank 300 may be configured so that the fire extinguishing agent can be separately injected into each of the two or more battery modules 100 . This will be described in more detail with further reference to FIG. 11 .
- FIG. 11 is a diagram schematically illustrating a partial cross-sectional configuration of a battery pack according to an embodiment of the present invention as viewed from the side.
- FIG. 11 may be referred to as a cross-sectional view along line A10-A10' in FIG. 1 .
- two or more battery modules 100 may be included in a battery pack.
- the fire extinguishing tank 300 may be configured to be assembled together with respect to two or more battery modules 100 .
- the fire extinguishing tank 300 may include at least two rupture members 340 so as to be spaced apart from each other in the stacking direction of the battery module 100 .
- the plurality of rupturable members 340 may be inserted into openings O1 of different battery modules 100, respectively.
- the first glass bulb G1 is inserted into the opening O1 of the first module M1
- the second glass bulb G2 is inserted into the opening O1 of the second module M2 ( O1) can be inserted.
- each of the glass bulbs (G1, G2) it is possible to inject the fire extinguishing agent to the different battery modules 100 (M1, M2).
- the first glass bulb G1 is broken, and as indicated by arrow D1
- the fire extinguishing agent in the fire extinguishing tank 300 is removed from the first module M1. (M1) It can be put inside.
- the second glass bulb (G2) is broken, as indicated by arrow D2
- the fire extinguishing agent in the fire extinguishing tank 300 is the second module ( M2) It can be put inside.
- a fire extinguishing agent in a battery pack including a plurality of battery modules 100, can be directly injected into each battery module 100.
- a fire extinguishing agent may be injected only into the battery module 100 where an event occurs. Therefore, for the other battery modules 100 to which the fire extinguishing agent has not been injected, it is possible to continue to operate. For example, when an event occurs in the first module M1, the first glass bulb G1 is damaged and the fire extinguishing agent can be injected only into the first module M1.
- one rupture member 340 is shown as being inserted into one battery module 100, but two or more rupture members 340 may be inserted into one battery module 100.
- the fire extinguishing tank 300 may include two or more rupture members 340 in the front-rear direction and the left-right direction, respectively. In this case, with respect to one battery module 100, two rupture members 340 disposed in the left and right directions may be inserted together.
- a venting path may be separated between each battery module 100 .
- a protrusion may be formed between the first module M1 and the second module M2. This protrusion is provided in a convex shape from the top of the battery module 100 to the top, and may contact the bottom of the fire extinguishing tank 300.
- the protruding portion may prevent a venting gas or the like from flowing toward another battery module 100 .
- the venting gas when the venting gas is ejected through the opening O1 in the first module M1, the venting gas flows along a venting path formed between the upper part of the first module M1 and the lower part of the fire extinguishing tank 300, As shown in FIG. 10, it may flow in the left-right direction (X-axis direction).
- the venting gas discharged from the first module M1 may not move toward the second module M2 due to the protrusion W1 formed between the first module M1 and the second module M2. .
- the protruding portion W1 formed between the first module M1 and the second module M2 may function as a partition wall blocking the movement of venting gas therebetween.
- the central protrusion W1 may be made of an elastic material such as rubber, silicone, or urethane in order to secure sealing performance.
- Such a protrusion W1 may be formed to elongate in a direction (X-axis direction) orthogonal to the stacking direction of the battery module 100 in the horizontal direction.
- the protruding portion as a barrier rib is located between the first module M1 and the second module M2, as indicated by W2, in the left-right direction (X-axis direction). It can be formed elongated.
- the venting direction of the venting gas can be controlled more reliably. Moreover, in this case, venting gas discharged from some of the battery modules 100 is prevented from flowing into other battery modules 100, thereby preventing thermal runaway propagation between modules. In addition, according to the above configuration, it is possible to prevent a problem in which the rupture member 340 is damaged due to venting gas discharged from another battery module 100 and the fire extinguishing agent is injected into the normal battery module 100 .
- barrier ribs may also be formed on the outer side of the plurality of battery modules 100 .
- the protrusion front protrusion
- the upper edge portion of the rear side of the second module M2 located on the rear side is also in contact with the fire extinguishing tank 200 to seal the venting path.
- protrusion may be provided.
- the front and rear protrusions W3 may be made of an elastic material such as rubber, silicone, or urethane in order to secure sealing performance.
- this embodiment of the present invention it is possible to secure the sealing force of the venting path formed between the battery module 100 and the fire extinguishing tank 300 so that the venting gas is discharged only in the intended direction.
- this barrier rib structure it is possible to prevent venting gas from moving only in directions indicated by arrows A9 and A9' in FIG. 10 and moving in other directions, such as toward the front side of the battery pack.
- the fire extinguishing tank 300 may further include a cover portion configured to protrude toward the battery module 100 at an edge portion coupled to the battery module 100 .
- a cover portion configured to protrude toward the battery module 100 at an edge portion coupled to the battery module 100 .
- An extended cover portion may be formed.
- the cover portion may be configured to surround the outside of the battery module 100.
- the coupling between the fire extinguishing tank 300 and the battery module 100 can be further improved.
- the fire extinguishing agent when the fire extinguishing agent is sprayed from the fire extinguishing tank 300, the fire extinguishing agent is well injected into the battery module 100, while leakage of the fire extinguishing agent to the outside of the battery pack can be suppressed.
- the cover part may be formed at three corners of the front, left, and right sides of the lower edge of the fire extinguishing tank 300.
- the venting gas introduced between the fire extinguishing tank 300 and the battery module 100 is induced to flow out to the rear side of the battery pack, and leakage in the front side or left or right direction can be prevented.
- the fire extinguishing tank 300 may further include a sealing member at an edge portion coupled to the battery module 100 and/or the control module 200.
- the fire extinguishing tank 300 may include an upper sealing member and a lower sealing member configured in a ring shape.
- the upper sealing member may be provided on the upper rim of the fire extinguishing tank 300
- the lower sealing member may be provided on the lower rim of the fire extinguishing tank 300.
- the sealing member may be made of an elastic material such as rubber, silicone, or urethane.
- sealing performance can be ensured at the top and/or bottom of the fire extinguishing tank 300 at the coupling part with other components (battery module, control module). Accordingly, it is possible to prevent leakage of venting gas or penetration of foreign substances such as water, moisture, or dust through the corresponding portion.
- the fire extinguishing tank 300, the battery module 100, the control module 200, etc. may be configured to be coupled and fixed to a wall of a building such as a house or a building.
- the fire extinguishing tank 300 may be configured such that a fixing hole is formed on the rear side, and the fire extinguishing tank 300 is fixed to the wall through the fixing hole.
- the battery pack according to the present invention may further include a fixing unit configured to be coupled to a wall or the like. This fixing unit may be fastened to components such as the fire extinguishing tank 300 or the battery module 100 to fix the battery pack to the wall.
- An energy storage system includes one or more battery packs according to the present invention described above.
- the energy storage system according to the present invention may further include general components included in the energy storage system in addition to the battery pack.
- the energy storage system according to the present invention may be a housing (building) energy storage system used to store energy in houses or buildings.
- M1 first module
- M2 second module
- C1 module fastening part
- C2 control fastening part
- E1 module connector
- E2 control connector
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- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Chemical & Material Sciences (AREA)
- Emergency Management (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Battery Mounting, Suspending (AREA)
- Gas Exhaust Devices For Batteries (AREA)
- Primary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
Description
Claims (13)
- 하나 이상의 배터리 셀을 구비하는 배터리 모듈;상기 배터리 모듈과 연결되어 상기 배터리 모듈을 관리하도록 구성된 제어 모듈; 및소화제를 보유하며, 상기 배터리 모듈 및 상기 제어 모듈 중 적어도 하나에 결합된 소화 탱크를 포함하는 것을 특징으로 하는 배터리 팩.
- 제1항에 있어서,상기 소화 탱크는, 상기 배터리 모듈과 상기 제어 모듈 사이에 장착된 것을 특징으로 하는 배터리 팩.
- 제2항에 있어서,상기 제어 모듈은, 상기 배터리 모듈의 적어도 일측에 탈착 가능하도록 구성된 것을 특징으로 하는 배터리 팩.
- 제3항에 있어서,상기 소화 탱크는, 상단과 하단에 각각, 상기 제어 모듈 및 상기 배터리 모듈과 결합 가능하도록 구성된 탱크 체결부를 구비하는 것을 특징으로 하는 배터리 팩.
- 제2항에 있어서,상기 소화 탱크는, 상기 배터리 모듈과 상기 제어 모듈 사이를 전기적으로 연결시키는 연결 부재를 구비하는 것을 특징으로 하는 배터리 팩.
- 제1항에 있어서,상기 소화 탱크는, 상기 배터리 모듈의 상부에 위치하여, 상기 소화제가 상기 배터리 모듈 측으로 자유 낙하하도록 구성된 것을 특징으로 하는 배터리 팩.
- 제1항에 있어서,상기 소화제는, 부동액, 소금물 및 절연유 중 적어도 하나를 포함하는 것을 특징으로 하는 배터리 팩.
- 제1항에 있어서,상기 소화 탱크는, 소정 조건에서 파열 가능하도록 구성되어, 파열 시 상기 소화제의 유출이 가능하도록 구성된 파열 부재를 구비하는 것을 특징으로 하는 배터리 팩.
- 제8항에 있어서,상기 파열 부재는, 유리 벌브로 구현된 것을 특징으로 하는 배터리 팩.
- 제8항에 있어서,상기 배터리 모듈은, 내부 공간과 연통되도록 개구부가 형성되고,상기 파열 부재는, 적어도 일부분이 상기 배터리 모듈의 개구부에 삽입되도록 구성된 것을 특징으로 하는 배터리 팩.
- 제10항에 있어서,상기 소화 탱크는, 상기 개구부로부터 벤팅 가스가 배출되는 경우, 배출된 벤팅 가스가 이동되도록 벤팅 경로가 형성된 것을 특징으로 하는 배터리 팩.
- 제1항에 있어서,상기 배터리 모듈은 둘 이상 포함되고,상기 소화 탱크는, 둘 이상의 배터리 모듈 각각에 대하여 상기 소화제가 별도로 투입 가능하도록 구성된 것을 특징으로 하는 배터리 팩.
- 제1항 내지 제12항 중 어느 한 항에 따른 배터리 팩을 포함하는 것을 특징으로 하는 에너지 저장 시스템.
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2023554891A JP7667301B2 (ja) | 2021-10-29 | 2022-10-28 | 安全性が向上したバッテリーパック |
| ES22887719T ES3061618T3 (en) | 2021-10-29 | 2022-10-28 | Battery pack having improved safety |
| EP25222518.0A EP4700976A3 (en) | 2021-10-29 | 2022-10-28 | Battery pack with improved safety |
| US18/278,144 US20240316376A1 (en) | 2021-10-29 | 2022-10-28 | Battery pack with improved safety |
| CA3210820A CA3210820A1 (en) | 2021-10-29 | 2022-10-28 | Battery pack with improved safety |
| CN202280033767.7A CN117280523A (zh) | 2021-10-29 | 2022-10-28 | 具有改进安全性的电池组 |
| AU2022378268A AU2022378268A1 (en) | 2021-10-29 | 2022-10-28 | Battery pack with improved safety |
| EP22887719.7A EP4297145B1 (en) | 2021-10-29 | 2022-10-28 | ENHANCED SECURITY BATTERY BLOCK |
| JP2025064706A JP2025106487A (ja) | 2021-10-29 | 2025-04-10 | 安全性が向上したバッテリーパック |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2021-0147382 | 2021-10-29 | ||
| KR20210147382 | 2021-10-29 |
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| WO2023075524A1 true WO2023075524A1 (ko) | 2023-05-04 |
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ID=86159617
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2022/016749 Ceased WO2023075524A1 (ko) | 2021-10-29 | 2022-10-28 | 안전성이 향상된 배터리 팩 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20240316376A1 (ko) |
| EP (2) | EP4297145B1 (ko) |
| JP (2) | JP7667301B2 (ko) |
| KR (2) | KR102660873B1 (ko) |
| CN (1) | CN117280523A (ko) |
| AU (1) | AU2022378268A1 (ko) |
| CA (1) | CA3210820A1 (ko) |
| ES (1) | ES3061618T3 (ko) |
| WO (1) | WO2023075524A1 (ko) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112267147B (zh) * | 2020-09-29 | 2022-12-13 | 西安奕斯伟材料科技有限公司 | 单晶炉热场加热器及单晶炉 |
| US20240363965A1 (en) * | 2021-12-23 | 2024-10-31 | Lg Energy Solution, Ltd. | Battery pack including fire extinguishing water storage tank |
| EP4369498A4 (en) * | 2021-12-27 | 2025-08-13 | Lg Energy Solution Ltd | BATTERY PACK AND ENERGY STORAGE SYSTEM COMPRISING SAME |
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2022
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- 2022-10-28 CN CN202280033767.7A patent/CN117280523A/zh active Pending
- 2022-10-28 WO PCT/KR2022/016749 patent/WO2023075524A1/ko not_active Ceased
- 2022-10-28 AU AU2022378268A patent/AU2022378268A1/en active Pending
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- 2022-10-28 JP JP2023554891A patent/JP7667301B2/ja active Active
- 2022-10-28 EP EP22887719.7A patent/EP4297145B1/en active Active
- 2022-10-28 US US18/278,144 patent/US20240316376A1/en active Pending
- 2022-10-28 ES ES22887719T patent/ES3061618T3/es active Active
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2024
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010097836A (ja) * | 2008-10-17 | 2010-04-30 | Panasonic Corp | 電池パック、それを電源として用いた電子機器、及び電池パック用ケース |
| KR20180106447A (ko) * | 2017-03-20 | 2018-10-01 | 주식회사 엘지화학 | 배터리 팩 및 이러한 배터리 팩을 포함하는 자동차 |
| US20210013558A1 (en) * | 2019-02-21 | 2021-01-14 | Lg Chem, Ltd. | Battery rack and energy storage system including the same |
| KR20210027786A (ko) * | 2019-09-03 | 2021-03-11 | 파이어킴 주식회사 | 배터리 폭발 방지를 위한 캡슐형 소화장치 및 이를 구비하는 배터리 |
| KR102220693B1 (ko) * | 2019-11-01 | 2021-03-02 | 주식회사 블루시그마 | 소화기능이 포함된 배터리 팩 모듈 |
| KR20210147382A (ko) | 2020-05-28 | 2021-12-07 | 주식회사 아이클리드 | 도마 살균 장치 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP4297145A4 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4297145B1 (en) | 2025-12-31 |
| JP2025106487A (ja) | 2025-07-15 |
| KR102660873B1 (ko) | 2024-04-25 |
| EP4700976A2 (en) | 2026-02-25 |
| EP4297145A4 (en) | 2024-11-20 |
| CA3210820A1 (en) | 2023-05-04 |
| US20240316376A1 (en) | 2024-09-26 |
| JP2024512913A (ja) | 2024-03-21 |
| JP7667301B2 (ja) | 2025-04-22 |
| ES3061618T3 (en) | 2026-04-06 |
| EP4700976A3 (en) | 2026-04-08 |
| KR20240056474A (ko) | 2024-04-30 |
| KR20230062445A (ko) | 2023-05-09 |
| AU2022378268A1 (en) | 2023-09-21 |
| EP4297145A1 (en) | 2023-12-27 |
| CN117280523A (zh) | 2023-12-22 |
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