WO2021137634A1 - 전력 저장 장치 및 전력 저장 시스템 - Google Patents
전력 저장 장치 및 전력 저장 시스템 Download PDFInfo
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- WO2021137634A1 WO2021137634A1 PCT/KR2020/019441 KR2020019441W WO2021137634A1 WO 2021137634 A1 WO2021137634 A1 WO 2021137634A1 KR 2020019441 W KR2020019441 W KR 2020019441W WO 2021137634 A1 WO2021137634 A1 WO 2021137634A1
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- 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
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
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- 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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
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- 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
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- 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
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
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- 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
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- 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
- H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
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- 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
- H01M10/63—Control systems
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- 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
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- 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
- H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
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- 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
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- 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
- H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
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- 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
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
- H01M10/6565—Gases with forced flow, e.g. by blowers with recirculation or U-turn in the flow path, i.e. back and forth
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- 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
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6566—Means within the gas flow to guide the flow around one or more cells, e.g. manifolds, baffles or other barriers
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- 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
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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- 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
- H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
- H01M10/663—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- the present invention relates to a power storage device and a power storage system, and more particularly, to a power storage device and a power storage system having improved cooling efficiency and an improved refrigerant supply capability.
- lithium secondary batteries have almost no memory effect compared to nickel-based secondary batteries, so charging and discharging are free, The self-discharge rate is very low and the energy density is high, attracting attention.
- Such a lithium secondary battery mainly uses a lithium-based oxide and a carbon material as a positive electrode active material and a negative electrode active material, respectively.
- a lithium secondary battery includes an electrode assembly in which a positive electrode plate and a negative electrode plate to which the positive electrode active material and the negative electrode active material are applied, respectively, are disposed with a separator interposed therebetween, and a casing for sealing and housing the electrode assembly together with an electrolyte, that is, a battery pouch casing.
- secondary batteries have been widely used not only in small devices such as portable electronic devices, but also in medium and large devices such as automobiles and power storage devices.
- a large number of secondary batteries are electrically connected to increase capacity and output.
- a pouch-type secondary battery is widely used in such a medium-large device due to the advantage of easy stacking.
- a conventional general air conditioning method in a battery system is a method of cooling the surface of the battery pack while supplying cold cooling air to the upper portion or lower portion of the container wall.
- this air conditioning method has a problem in that the temperature deviation between the plurality of battery packs tends to increase depending on the operating conditions (weather, charge/discharge pattern, and air conditioning method) of the power storage device. Accordingly, among a plurality of battery packs, deterioration of a battery pack having an increased temperature occurs and a lifespan thereof is shortened, thereby increasing the maintenance cost of the power storage device.
- an object of the present invention is to provide a power storage device and a power storage system having improved cooling efficiency and an improved refrigerant supply capacity.
- At least one or more battery racks having at least two or more battery packs
- a container accommodating the at least one or more battery racks
- At least two or more ejection units each having a nozzle having a discharge port through which the refrigerant is discharged and configured to individually change the discharge direction of the refrigerant toward any one of the at least two or more battery packs and individually increase/decrease the discharge amount of the refrigerant and a refrigerant supply unit having a control unit configured to adjust the refrigerant discharge direction and the refrigerant discharge amount of each of the at least two or more ejection units, and an air conditioner having a refrigerant suction unit configured to suck the refrigerant heated inside the container.
- control unit is
- the wind direction of each of the two or more blowout units may be adjustable so that the refrigerant is concentrated only in some battery packs exhibiting a relatively higher temperature among the at least two or more battery packs.
- control unit controls the control unit
- the discharge amount of the ejection unit discharged toward the battery pack exhibiting a relatively higher temperature may be adjusted to be greater than that of the remaining ejection units.
- the refrigerant supply unit includes an air supply duct having a moving passage through which the refrigerant can be moved to the extraction unit,
- the refrigerant suction unit may include a suction port for re-suctioning the heated refrigerant inside the container and a suction duct extending to move the suctioned refrigerant to the outside of the container.
- a fixing member fixed to the air supply duct and having an inlet to communicate with the inside of the air supply duct;
- a body portion coupled to the fixing member and having a curved surface so as to be rotatable in the coupled state
- an ejection nozzle unit having an end of the body portion opened to discharge the refrigerant to form a discharge port
- a shutter configured to be movable so as to cover at least a portion of the discharge port of the blowing nozzle unit may be provided.
- An extension pipe configured to have a variable length in the discharge direction according to a position of any one of the at least two or more battery packs may be provided.
- a guide member having an inclined wall protruding outward based on a position of the battery pack may be provided in a peripheral portion on which the battery pack is mounted to guide the refrigerant from moving to the battery pack.
- the guide member may be connected in a hinge structure so that the degree of protrusion of the inclined wall to the outside based on the position of the battery pack can be changed.
- the guide member may be provided with a conductive portion made of a thermally conductive material and configured to extend in the inner direction of the battery rack from the inner end of the inclined wall.
- the suction duct may be configured such that at least a portion of the suction port is moved so that the position of the suction port is movable.
- the power storage system according to the present invention for achieving the above object includes at least two or more of the power storage device.
- the present invention provides at least two or more ejection units configured to enable individual switching of a discharge direction of a refrigerant and an individual increase/decrease of a discharge amount of a refrigerant toward any one of at least two or more battery packs, and at least two
- a refrigerant supply unit having a control unit configured to adjust the refrigerant discharge direction and refrigerant discharge amount of each of the above ejection units, more refrigerant can be brought into contact with a specific battery pack requiring intensive cooling among a plurality of battery packs.
- the present invention provides the control unit with a wind direction of each of the two or more blowout units so that the refrigerant is concentrated only to some battery packs exhibiting a relatively higher temperature among at least two or more battery packs.
- point cooling can be performed on a specific battery pack having a relatively higher temperature than the rest of the battery pack. That is, the present invention can rapidly cool only some specific battery packs that need to be intensively cooled among a plurality of battery packs, thereby reducing the temperature difference between the battery packs and also reducing the deterioration of the battery pack due to rapid cooling. can be effectively prevented.
- the take-out unit of the present invention is a fixed member fixed to the air supply duct and having an inlet to communicate with the inside of the air supply duct, and is coupled to the fixed member and has a curved surface so as to be rotatable in the coupled state.
- the battery rack is a guide member having an inclined wall protruding outward based on the position of the battery pack to guide the refrigerant to move to the battery pack in the receiving part on which the battery pack is mounted.
- the present invention by configuring the suction duct so that the position of the suction port is movable, it can be controlled so that the refrigerant is concentrated in the battery rack that requires more cooling, among a plurality of battery racks . Accordingly, it is possible to effectively reduce the temperature deviation between the plurality of battery racks. Ultimately, it can effectively increase the service life of the power storage device.
- FIG. 2 is a perspective view schematically illustrating the appearance of some components of a power storage device according to an embodiment of the present invention.
- FIG. 3 is a perspective view schematically illustrating a battery pack as a part of the power storage device according to an embodiment of the present invention.
- FIG. 4 is a conceptual diagram illustrating internal configurations of an air conditioner of a power storage device according to an embodiment of the present invention.
- FIG. 5 is a partial perspective view schematically illustrating a state of an extraction unit, which is a part of a power storage device according to an embodiment of the present invention.
- FIG. 6 is a partial perspective view schematically illustrating a state of an extraction unit that is a part of a power storage device according to another embodiment of the present invention.
- FIG. 7 is a partial perspective view schematically showing a battery rack according to another embodiment of the present invention.
- FIG 8 and 9 are perspective views schematically showing the appearance of some components of the battery rack according to an embodiment of the present invention.
- FIG. 10 is a perspective view schematically illustrating an internal appearance of a power storage device according to another embodiment of the present invention.
- FIG. 11 is a perspective view schematically illustrating the appearance of some components of a power storage device according to Comparative Example 1 of the present invention.
- Example 13 is a table showing the simulation analysis results of Example 1 of the experimental example of the present invention.
- FIG. 1 is a perspective view schematically illustrating a power storage device according to an embodiment of the present invention.
- 2 is a perspective view schematically illustrating the appearance of some components of a power storage device according to an embodiment of the present invention.
- 3 is a perspective view schematically illustrating a state in which a battery pack, which is a part of a power storage device, is discharged according to an embodiment of the present invention.
- FIG. 4 is a conceptual diagram illustrating internal configurations of an air conditioner of a power storage device according to an embodiment of the present invention.
- the power storage device 400 of the present invention includes at least one battery rack 300 , a container 410 accommodating the battery rack 300 , and an air conditioner 420 . can do.
- the battery rack 300 a plurality of battery packs 200 arranged in one column in the vertical direction, and a rack case 310 for accommodating them.
- the battery rack 300 of the present invention defines a plurality of battery packs 200 arranged in one column in the vertical direction mounted on the receiving part 312 of the rack case 310 as one battery rack 300 . do.
- one rack case 310 may be provided with a plurality of battery racks (300).
- the secondary battery may be a pouch-type secondary battery.
- a pouch-type secondary battery may include an electrode assembly (not shown), an electrolyte (not shown), and a pouch.
- Each of the secondary batteries may be disposed in a form substantially perpendicular to the ground so that two wide surfaces are positioned in the front and rear directions, respectively, and sealing parts are positioned in the upper, lower, left, and right directions.
- each secondary battery may be configured in a vertical direction.
- the up, down, front, rear, left, and right directions when viewed in the F direction as a reference.
- the pouch may be configured as a pouch in which a concave accommodating part is formed.
- the electrode assembly and the electrolyte may be accommodated in the accommodating part.
- each pouch includes an outer insulating layer, a metal layer, and an inner adhesive layer, and the inner adhesive layer is adhered to each other on the edge of the pouch, thereby forming a sealing portion.
- terraces may be formed at the ends of the secondary battery in the left and right directions on which the positive lead and the negative lead are formed.
- the electrode assembly is an assembly of an electrode plate and a separator coated with an electrode active material, and may be configured in a form in which one or more positive electrode plates and one or more negative electrode plates are disposed with a separator interposed therebetween.
- a positive electrode tab is provided on the positive electrode plate of the electrode assembly, and one or more positive electrode tabs may be connected to the positive electrode lead.
- the battery pack 200 may include at least one bus bar (not shown) configured to electrically interconnect the plurality of secondary batteries.
- the bus bar may include a conductive metal, for example, copper, aluminum, nickel, or the like.
- the rack case 310 may include a accommodating part 312 having an open storage space at one side to accommodate and store each of the plurality of battery packs 200 .
- the plurality of accommodating parts 312 may be configured such that the plurality of battery packs 200 are mounted in the vertical direction.
- the accommodating part 312 may be configured such that the plurality of battery packs 200 are spaced apart from each other at a predetermined interval.
- a shelf frame (not shown) configured to mount the battery pack 200 thereon may be provided in each of the plurality of accommodation units 312 .
- the shelf frame may have a plate shape extending in a direction (horizontal direction) perpendicular to the outer wall extending in the vertical direction of the rack case 310 .
- the battery pack 200 may include a temperature sensor 270 and a pack BMS 230 .
- the temperature sensor 270 may be configured to measure an internal temperature of the battery pack 200 .
- the temperature sensor 270 may be connected to a sensing wire 271 to communicate with the pack BMS 230 .
- the temperature sensor 270 may be connected to a control unit ( FIGS. 4 and 424 ) to be described later through a sensing wire.
- the pack BMS 230 may be configured to transmit the temperature information of the temperature sensor 270 through wireless communication.
- the pack BMS 230 may include an NFC wireless communication unit, a Bluetooth wireless communication unit, or an RFID wireless communication unit.
- the pack BMS 230 may be configured to wirelessly communicate with a rack BMS (not shown).
- the pack BMS 230 may receive the internal temperature information of the battery pack 200 from the temperature sensor 270 and transmit the temperature information to the rack BMS in a wireless communication method.
- the pack BMS 230 may receive internal temperature information of the battery pack 200 from the temperature sensor 270 and transmit the temperature information to a control unit ( FIGS. 4 and 424 ) to be described later in a wireless communication method.
- the rack case 310 may include a rack BMS (not shown) configured to enable wireless communication with the pack BMS 230 .
- the rack BMS may include a receiver unit (not shown) for radio signals configured to receive temperature information from the pack BMS 230 .
- the rack BMS may receive information such as current and voltage from the pack BMS 230 .
- the container 410 may have an internal space to accommodate the at least one or more battery rack (300).
- the container 410 may have an outer wall to form the exterior of the power storage device 400 .
- the container 410 may be a general type container 410 capable of storing items therein. Accordingly, a description of the specific configurations of the container will be omitted herein.
- the air conditioner 420 may control supply and discharge of refrigerant through the temperature sensor 270 and the control unit 424 .
- the air conditioner 420 may control supply and discharge of refrigerant (not shown) based on the temperature of the battery pack 200 measured through the temperature sensor 270 .
- refrigerant eg, cooled air
- the temperature of the refrigerant rises, and the temperature rises again by being sucked into the air conditioner 420 and discharged. .
- the air conditioner 420 may include a refrigerant supply unit 421 and a refrigerant suction unit 426 . More specifically, the refrigerant supply unit 421 may include an air supply duct 425 , at least two blowout units 422 , and a control unit 424 .
- the air supply duct 425 may be configured to move a refrigerant having a temperature lower than that of the battery pack 200 to the ejection unit 422 .
- the air supply duct 425 may have a passage through which the refrigerant moves.
- the air supply duct 425 may be configured to be connected to an external heat exchange device (not shown) configured to cool the heated refrigerant. That is, the air supply duct 425 may extend from the heat exchange device to pass through the outer wall of the container 410 .
- FIG. 5 is a partial perspective view schematically illustrating a state of an extraction unit, which is a part of a power storage device according to an embodiment of the present invention.
- the blowing unit 422 may include a nozzle having a discharge port K1 through which a refrigerant is discharged, respectively.
- the nozzle may have a discharge port K1 protruding in the discharge direction so that most of the discharged refrigerant moves in one direction.
- the ejection unit 422 may discharge the refrigerant toward any one of the at least two battery packs 200 .
- each of the at least two discharging units 422 may be configured to individually change the discharge direction of the refrigerant and individually increase/decrease the discharge amount of the refrigerant.
- control unit 424 may be configured to adjust the refrigerant discharge direction and the refrigerant discharge amount of each of the at least two discharging units 422 .
- control unit 424 may control to increase or decrease the opening degree of the discharge port K1 of the discharging unit 422 .
- control unit 424 may move the nozzle of the ejection unit 422 toward any one of the at least two battery packs 200 .
- the refrigerant suction unit 426 may be configured to suck the thus-heated refrigerant.
- the refrigerant suction unit 426 may include a suction duct 428 and a suction port K2 formed in the suction duct 428 . It is not necessarily limited to only the structural features of the suction duct 428 shown in FIG. 2 , and if necessary, the suction duct 428 may be configured to extend to the inner space of the container 410 .
- the air conditioner 420 may be configured to be connected to an external heat exchange device (not shown). That is, the air conditioner 420 may receive the cooled refrigerant from the heat exchange device or may transmit the heated refrigerant. The heat exchange device may lower the temperature of the refrigerant by condensing or dissipating the heated refrigerant received from the air conditioner 420 .
- each of the at least two ejection units 422 discharges a refrigerant to the battery pack 200 exhibiting the highest temperature to rapidly cool the high temperature battery pack 200 .
- the temperature deviation of at least two or more battery packs 200 accommodated in the battery rack 300 it is possible to prevent a decrease in the service life of the battery pack 200 due to deterioration.
- the control unit 424 of the air conditioner 420 operates the blower 423 to supply the refrigerant from the external heat exchange device to the air supply duct 425 .
- the control unit 424 may receive the temperature information of the battery pack 200 from the temperature sensor 270 attached to the battery pack 200 and determine whether to operate the blower 423 .
- control unit 424 controls each of the two or more blowout units 422 so that the refrigerant is concentrated only in some battery packs 200 exhibiting a relatively higher temperature among the at least two or more battery packs 200 . It may be configured to adjust the wind direction. For example, when the control unit 424 receives a temperature value equal to or higher than a reference value from the temperature sensor 270 provided in each of the at least two battery packs 200, the battery pack 200 exceeding the reference value ), by adjusting the discharge directions of the two or more blowing units 422 , the refrigerant may be concentrated only in some battery packs 200 exhibiting a high temperature.
- the refrigerant is concentrated only in some battery packs 200 exhibiting a relatively higher temperature among the at least two or more battery packs 200 by using the control unit 424 .
- the wind direction of each of the two or more blowing units 422 is adjustable as possible, spot cooling can be performed on a specific battery pack 200 having a relatively higher temperature than the other battery packs 200 . . That is, according to the present invention, only some specific battery packs 200 requiring intensive cooling can be rapidly cooled among the plurality of battery packs 200 , so that temperature deviation between the battery packs 200 can be reduced as well as rapid cooling. It is possible to effectively prevent deterioration of the battery pack 200 by cooling.
- control unit 424 is configured to determine that the discharge amount of the discharging unit 422 discharging toward the battery pack 200 exhibiting a relatively higher temperature among the at least two or more battery packs 200 is the remaining discharging unit 422 . ) can be adjusted to be greater than the discharge amount.
- the control unit 424 when the control unit 424 receives a temperature value greater than or equal to a reference value from the temperature sensor 270 provided in each of the at least two or more battery packs 200, the battery pack ( 200 , the amount of refrigerant supplied to some battery packs 200 exhibiting a high temperature may be increased by adjusting the discharge amount of the two or more extraction units 422 .
- the suction duct 428 of the refrigerant suction unit 426 has a moving space that can move the refrigerant inside the container 410 to the outside of the container 410 , and the container It may have a form extending to the outside of 410 .
- the suction duct 428 may be provided with a suction port K2 configured to suck the heated refrigerant again.
- the ejection unit 422 may include a fixing member 422a, a body portion 422b, an ejection nozzle portion 422c, and a shutter 422d. have.
- the fixing member 422a may be fixed to the air supply duct 425 in a movable form. That is, the fixing member 422a may be formed in a portion of the air supply duct 425 where the blowing unit 422 needs to be formed. In addition, the fixing member 422a may be bolted or male and female coupled to the outer wall of the air supply duct 425 to be detachable when necessary.
- the fixing member 422a may have a ring shape.
- the fixing member (422a) may be configured to be coupled to the edge portion (425a) of the opening formed in the air supply duct (425).
- the fixing member 422a may have an inlet to communicate with the opening of the air supply duct 425 .
- the body portion 422b may be configured to be coupled to the fixing member 422a in a movable form.
- the body portion 422b may have a curved surface so as to be rotatably coupled to the fixing member 422a.
- the body portion 422b may be configured to be rotatable in an angle of 0 degrees to 100 degrees in a rotation range.
- the body portion 422b may have a shape in which one end is inserted into the air supply duct 425 and the other end protrudes to the outside of the air supply duct 425 .
- the ejection nozzle part 422c may be rotationally moved under the control of the control unit 424 .
- a plurality of servo motors (not shown) provided with the rubber roller or belt may be provided in the ejection nozzle unit 422c.
- the servo motor may transmit the rotational force of the motor to the body portion 422b through the rubber roller or belt so that the body portion 422b rotates. Accordingly, as the servo motor rotates, the body portion 422b of the ejection nozzle portion 422c may rotate. In addition, the servo motor may be rotated by receiving power from the control unit 424 . More specifically, the rotation shaft of the servo motor is connected to the rotation shaft of the rubber roller, and according to the rotation of the servo motor, the rubber roller may press the outer surface of the body portion 422b. And, the body portion 422b may be rotated by the force transmitted by the rubber roller.
- the ejection nozzle portion 422c may be formed in a form in which an end of the body portion 422b is opened so that the refrigerant is discharged.
- the ejection nozzle portion 422c may have a discharge port K1 communicating with the opening of the air supply duct 425 of the body portion 422b.
- a lip 422c1 protruding to the outside may be provided at a peripheral portion of the discharge port K1 of the discharge nozzle unit 422c to guide the discharge direction of the discharged refrigerant.
- the shutter 422d may be a member configured to be movable so as to cover at least a portion of the discharge port K1 of the blowing nozzle unit 422c. That is, the shutter 422d may be a damper that adjusts the degree of opening/closing of the discharge port K1 of the blowing nozzle unit 422c.
- the shutter 422d may be controlled by the control unit 424 .
- the shutter 422d may open an opening degree of the discharge port K1 of the discharge nozzle unit 422c to 1% to 100% in order to increase the amount of refrigerant discharged from the discharge nozzle unit 422c.
- the shutter 422d changes the opening degree of the discharge port K1 of the discharge nozzle unit 422c from 100% to 0% in order to reduce the amount of refrigerant discharged from the discharge nozzle unit 422c.
- the “opening degree” means the ratio of the opening area among the total size of the opening.
- the shutter 422d may be located inside the body 422b.
- the shutter 422d may have a curved surface to slide along the inner surface of the body 422b.
- the ejection unit 422 may be provided with a moving screw 422d1 capable of moving the position of the shutter 422d. That is, the shutter 422d may be configured to move along the inner surface of the body 422b by rotating the moving screw 422d1 .
- the moving screw 422d1 may be adjusted by the control unit 424 .
- the moving screw 422d1 may be connected to a rotation shaft of the motor to receive rotational force of a servo motor (not shown).
- the servo motor may receive power by the control unit 424 to control the degree of rotation of the rotating shaft. That is, the control unit 424 may be configured to adjust the degree of opening and closing of the discharge port K1 of the blowing nozzle unit 422c by moving the position of the shutter 422d.
- the blowing unit 422 is fixed to the air supply duct 425 and has an inlet formed so as to communicate with the inside of the air supply duct 425.
- the shutter 422d movably configured to cover at least a part of the opening of the portion 422c, it is possible to efficiently control the ejection direction and air volume of the refrigerant from the ejection nozzle portion 422c. Accordingly, according to the present invention, the cooling of a specific battery pack 200 among at least two or more battery packs 200 may be performed more rapidly.
- FIG. 6 is a partial perspective view schematically illustrating a state of an extraction unit that is a part of a power storage device according to another embodiment of the present invention.
- the ejection unit 422A has an extension pipe 422e connected to the ejection nozzle unit 422c when compared to the ejection unit 422 of FIG. 5 .
- the extension pipe 422e may be configured such that the length in the discharge direction varies according to the position of any one of the at least two battery packs 200 .
- the extension pipe 422e may have three pipes 422e1 , 422e2 , and 422e3 connected to each other.
- the three tubes 422e1 , 422e2 , and 422e3 may be configured to have different diameters.
- the three tubes 422e1 , 422e2 , and 422e3 may be configured to have a smaller diameter as the tubes are located relatively farther away from the fixing member 422a.
- a tube having a relatively small diameter is inserted into a tube having a relatively large diameter and configured to be movable.
- the extension tube 422e may include a first tube 422e1 , a second tube 422e2 , and a third tube 422e3 .
- the extension tube 422e may be configured to have a smaller diameter in stages in the order of the first tube 422e1 , the second tube 422e2 , and the third tube 422e3 . That is, in order to extend the entire length of the extension pipe 422e, a second pipe 422e2 is derived from the first pipe 422e1, and a third pipe 422e3 is derived from the second pipe 422e2.
- the third tube 422e3 is inserted into the second tube 422e2, and the second tube 422e2 is inserted into the first tube 422e1. can be configured.
- FIG. 7 is a partial perspective view schematically showing a battery rack according to another embodiment of the present invention.
- Figure 8 and Figure 9 is a perspective view schematically showing the appearance of some components of the battery rack according to an embodiment of the present invention.
- a guide member 430 may be further provided.
- the guide member 430 may be provided in the receiving part 312 on which the battery pack 200 of the rack case 310 is mounted.
- the guide member 430 has an inclined wall 432 protruding outward based on the position of the battery pack 200 to guide the refrigerant discharged from the ejection unit 422 to move to the battery pack 200 . can be provided.
- a guide member 430 may be provided in the accommodating part 312 accommodating the battery pack 200 located at the lowest end of the battery rack 300 .
- the guide member 430 may be provided with an inclined wall 432 protruding outward based on the position of the battery pack 200 so that the refrigerant can move to the battery pack 200 . Accordingly, the guide member 430 may reduce the amount of refrigerant dispersed around the battery pack 200 , thereby helping to perform effective point cooling.
- the battery rack 300, the battery pack 200 to guide the refrigerant to the receiving portion 312 is mounted to move to the battery pack 200, the battery pack
- the guide member 430 having the inclined wall 432 protruding outward based on the position of 200 is provided, so that among the plurality of battery packs 200 , it is located at a relatively long distance from the take-out unit 422 .
- the refrigerant may be effectively transferred to the located battery pack 200 . That is, according to the present invention, using the guide member 430 , after the blowing unit 422 discharges cooling air, when the moving direction of the cooling air is long, the degree of spreading in all directions becomes severe, It can solve the problem of inefficiency.
- the guide member 430 may change the degree to which the inclined wall 432 protrudes outward based on the position of the battery pack 200 . It may be configured to be connected to the hinge structure H1 so as to be connected thereto. Also, the rotation of the inclined wall 432 may be controlled by the control unit 424 . For example, the rotation shaft of the hinge structure H1 of the inclined wall 432 may be connected to a servo motor (not shown). The inclined wall 432 of the guide member 430 may be expanded to protrude outward by rotation of a servo motor supplied with power from the control unit 424 , or rotated to be folded inwardly.
- the guide member 430 has a hinge structure (H1) so that the degree to which the inclined wall 432 protrudes outwardly based on the position of the battery pack 200 can be changed.
- the inclined wall 432 of the guide member 430 may be expanded to increase the amount of refrigerant in contact with the specific battery pack 200 . Accordingly, the present invention can solve the problem that the efficiency of the point cooling decreases according to the distance between the ejection unit 422 and the battery pack 200 .
- the guide member 430 may be provided with a conductive part 434 .
- the conductive part 434 may include a thermally conductive material.
- the thermally conductive material may be aluminum or copper.
- the conductive part 434 may have a form extending in the inner direction of the battery rack 300 from the inner end of the inclined wall 432 . That is, the conductive part 434 may be configured to contact at least a portion of the outer surface of the battery pack 200 .
- the conductive part 434 may conduct heat received from the battery pack 200 to the inclined wall 432 .
- the guide member 430 is provided with a thermally conductive material and conductive portion 434 configured to extend in the inner direction of the battery rack 300 from the inner end of the inclined wall 432 . ) by being provided, it is possible to cool the rear portion of the battery pack 200 located inside the receiving portion 312 of the battery rack 300 . Accordingly, in the present invention, the point cooling efficiency of the battery pack 200 can be maximized through the conductive part 434 of the guide member 430 .
- FIG. 10 is a perspective view schematically illustrating an internal appearance of a power storage device according to another embodiment of the present invention.
- the suction duct 428B extends to the inside of the container 410 .
- the suction duct 428B may be configured such that the position of the suction port K2 is movable.
- the position of at least a portion of the suction duct 428B may be configured to move.
- the position of the suction port K2 formed in the suction duct 428B may also move along with it.
- the average temperature of the mounted battery pack 200 among the plurality of battery racks 300 is relatively So that the refrigerant can be concentrated in the high battery rack 300, it is possible to move the position of the suction port (K2) of the suction duct (428B) close to the battery rack 300 having a relatively high temperature.
- the length inserted into the container 410 of the suction duct 428B may be controlled to decrease or increase.
- the suction duct 428B may have a form in which a plurality of divided ducts are combined.
- the extended length of the suction duct 428B may be increased by pulling the distal end of the suction duct 428B in the other direction by using the pusher 429 connected to the pressing device 427 .
- the push rod 429 may be connected to the end of the suction duct 428B.
- the control unit (FIGS. 4 and 424) of the air conditioner 420 transmits an electric signal to control the movement of a part of the suction duct 428B so as to extend or reduce the length of the suction duct 428B.
- the present invention by configuring the suction duct (428B) so that the position of the suction port (K2) is movable, among the plurality of battery racks 300, the battery rack that requires more cooling It can be controlled so that the refrigerant is concentrated in 300. Accordingly, it is possible to effectively reduce the temperature deviation between the plurality of battery racks (300). Ultimately, it is possible to effectively increase the service life of the power storage device 400B.
- the power storage system may include at least two or more of the aforementioned power storage devices.
- the power storage system may include a control tower for controlling charging, discharging, and power cut-off of a plurality of power storage devices.
- the power storage device 400 according to the first embodiment of the present invention has the same configuration as the power storage device 400 shown in FIG. 2 . That is, the power storage device 400 of the first embodiment is configured to be mounted in a state in which 17 battery packs 200 are arranged in a vertical direction in one battery rack 300 , and 30 of these racks are the containers 410 . ) is provided in In addition, in the container 410, the air supply ducts 425 are provided at the upper left and right, respectively, and 15 blowout units to which the refrigerant is supplied are formed in each air supply duct 425 spaced apart from each other by a predetermined interval.
- suction ports K2 are formed in each of the front wall and the rear wall of the container 410 so that the heated refrigerant can be sucked and discharged to the outside.
- the temperature sensor was provided in a portion of the outer surface of the battery pack 200 that is close to the inner side of the housing of the rack case.
- the power storage device 400C of Comparative Example 1 of the present invention does not have a configuration of an air supply duct and a blowout unit, and instead supplies a refrigerant to the upper end of each of the front wall and the rear wall of the container 410 .
- a supply port (K3) was formed.
- suction ports K2 are formed in each of the front wall and the rear wall of the container 410 so that the heated refrigerant can be sucked and discharged to the outside.
- the rest of the configuration was the same as the configuration of the power storage device 400 of the first embodiment.
- Example 1 and Comparative Example 1 of the present invention were Using a computational fluid dynamics simulation (CFD Simulation, product name: Siemens STAR-CCM+, version: 13.04.010) that simulates the interaction of fluid and gas through a computer, each power of Example 1 and Comparative Example 1 of the present invention The cooling performance of the storage device was evaluated. The specifications to which the simulation is applied are shown in the table shown in FIG. 12 . In addition, the simulation test results of Example 1 and Comparative Example 1 are shown in the tables of FIGS. 13 and 14, respectively.
- CFD Simulation computational fluid dynamics simulation
- Example 1 when comparing the power storage device of Example 1 and Comparative Example 1, the temperature of the battery pack showing the highest temperature was 1.19° C. (-3.81%) than that of Comparative Example 1. ) was found to be low. In addition, it was confirmed that the temperature of the battery pack exhibiting the lowest temperature was 0.27°C (-1.01%) lower in Example 1 than in Comparative Example 1. In addition, it was confirmed that the average temperature of the entire battery pack in Example 1 was 1.09° C. (-3.79%) lower than Comparative Example 1. Furthermore, the maximum deviation of the entire battery rack was reduced by 0.6 °C (-15.75%) in Example 1 compared to Comparative Example 1.
- the average temperature of the entire battery pack can be lowered than in Comparative Example 1 without the use of the air supply duct having the blowout unit. That is, the overall cooling performance of the battery packs provided in the power storage device was increased. In addition, by reducing the maximum deviation of the entire battery rack, it was confirmed that the temperature imbalance between the battery racks was reduced. In other words, it was confirmed that the power storage device has improved cooling efficiency and an adequate supply capacity of the cooling air flow.
- refrigerant supply unit 426 refrigerant suction unit
- fixing member 422b body portion
- extension tube 430 guide member
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Abstract
Description
Claims (11)
- 적어도 둘 이상의 배터리 팩을 구비하는 적어도 하나 이상의 배터리 랙;상기 적어도 하나 이상의 배터리 랙을 수용하는 컨테이너; 및각각이 냉매가 토출되는 토출구가 형성된 노즐을 구비하고 상기 적어도 둘 이상의 배터리 팩 중, 어느 하나를 향해 냉매의 토출 방향의 개별적인 전환과 냉매의 토출량의 개별적인 증감이 가능하게 구성된 적어도 둘 이상의 취출 유닛과, 상기 적어도 둘 이상의 취출 유닛 각각의 상기 냉매의 토출 방향과 냉매 토출량을 조절하도록 구성된 제어 유닛을 구비한 냉매 공급부, 및 상기 컨테이너 내부의 승온된 냉매를 흡입하도록 구성된 냉매 흡입부를 구비한 공조기를 포함하는 것을 특징으로 하는 전력 저장 장치.
- 제1항에 있어서,상기 제어 유닛은,상기 적어도 둘 이상의 배터리 팩 중, 상대적으로 더 높은 온도를 나타내는 일부 배터리 팩으로만 냉매가 집중되도록 상기 둘 이상의 취출 유닛 각각의 풍향을 조정 가능하게 구성된 것을 특징으로 하는 전력 저장 장치.
- 제1항에 있어서,상기 제어 유닛은,상기 적어도 둘 이상의 배터리 팩 중, 상대적으로 더 높은 온도를 나타내는 배터리 팩을 향해 토출하는 취출 유닛의 토출량이 나머지 취출 유닛의 토출량 보다 더 크도록 조정 가능하게 구성된 것을 특징으로 하는 전력 저장 장치.
- 제1항에 있어서,상기 냉매 공급부는, 상기 냉매를 상기 취출 유닛까지 이동시킬 수 있는 이동 통로를 가진 급기 덕트를 구비하고,상기 냉매 흡입부는, 상기 컨테이너 내부의 승온된 냉매를 다시 흡입하도록 흡입구가 구비되고 흡입된 냉매를 상기 컨테이너의 외부로 이동하도록 연장된 흡입 덕트를 구비한 것을 특징으로 하는 전력 저장 장치.
- 제4항에 있어서,상기 취출 유닛은,상기 급기 덕트에 고정되고 상기 급기 덕트의 내부와 연통되도록 입구가 형성된 고정 부재;상기 고정 부재에 결합되고 결합된 상태에서 회전 가능하도록 곡면을 가진 몸체부;상기 냉매가 토출되도록 상기 몸체부의 단부가 개구되어 토출구가 형성된 취출 노즐부; 및상기 취출 노즐부의 토출구의 적어도 일부를 가리도록 이동 가능하게 구성된 셔터를 구비한 것을 특징으로 하는 전력 저장 장치.
- 제5항에 있어서,상기 취출 노즐부는,상기 적어도 둘 이상의 배터리 팩 중, 어느 하나의 배터리 팩의 위치에 따라 토출 방향의 길이가 가변하도록 구성된 연장관을 구비한 것을 특징으로 하는 전력 저장 장치.
- 제4항에 있어서,상기 배터리 랙은,상기 배터리 팩이 탑재된 주변부에 상기 냉매가 상기 배터리 팩으로 이동하는 것을 가이드 하도록 상기 배터리 팩의 위치를 기준으로 외측으로 돌출된 경사벽을 가진 가이드 부재가 구비된 것을 특징으로 하는 전력 저장 장치.
- 제7항에 있어서,상기 가이드 부재는, 상기 경사벽이 상기 배터리 팩의 위치를 기준으로 외측으로 돌출된 정도를 변경할 수 있도록 힌지 구조로 연결된 것을 특징으로 하는 전력 저장 장치.
- 제7항에 있어서,상기 가이드 부재는, 열 전도성 재질을 구비하고 상기 경사벽의 내측 단부로부터 상기 배터리 랙의 내측 방향으로 연장되게 구성된 전도부가 구비된 것을 특징으로 하는 전력 저장 장치.
- 제4항에 있어서,상기 흡입 덕트는, 상기 흡입구의 위치가 이동 가능하게 적어도 일부분이 위치 이동되도록 구성된 것을 특징으로 하는 전력 저장 장치.
- 제1항 내지 제10항 중, 어느 한 항에 따른 전력 저장 장치를 적어도 둘 이상 포함한 것을 특징으로 하는 전력 저장 시스템.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17/764,319 US12255302B2 (en) | 2020-01-03 | 2020-12-30 | Energy storage apparatus and energy storage system |
| JP2022502237A JP7372437B2 (ja) | 2020-01-03 | 2020-12-30 | 電力貯蔵装置及び電力貯蔵システム |
| EP20910157.5A EP4012824A4 (en) | 2020-01-03 | 2020-12-30 | ENERGY STORAGE DEVICE AND ENERGY STORAGE SYSTEM |
| CN202080062544.4A CN114365334B (zh) | 2020-01-03 | 2020-12-30 | 能量存储装置和能量存储系统 |
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| KR1020200001059A KR102765089B1 (ko) | 2020-01-03 | 2020-01-03 | 전력 저장 장치 및 전력 저장 시스템 |
| KR10-2020-0001059 | 2020-01-03 |
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| WO2021137634A1 true WO2021137634A1 (ko) | 2021-07-08 |
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| US (1) | US12255302B2 (ko) |
| EP (1) | EP4012824A4 (ko) |
| JP (1) | JP7372437B2 (ko) |
| KR (1) | KR102765089B1 (ko) |
| CN (1) | CN114365334B (ko) |
| WO (1) | WO2021137634A1 (ko) |
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| CN116613432A (zh) * | 2023-07-17 | 2023-08-18 | 苏州钧灏电力有限公司 | 一种储能电池热管理装置及其工作方法 |
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| KR102765089B1 (ko) * | 2020-01-03 | 2025-02-06 | 주식회사 엘지에너지솔루션 | 전력 저장 장치 및 전력 저장 시스템 |
| EP4730546A2 (en) | 2022-01-19 | 2026-04-22 | LG Energy Solution, Ltd. | Battery container |
| US20230253679A1 (en) * | 2022-02-07 | 2023-08-10 | GM Global Technology Operations LLC | Overmolded interconnect board assembly for power module |
| KR102503194B1 (ko) | 2022-05-12 | 2023-02-23 | 비에스에스 주식회사 | Ess 배터리용 컨테이너의 온도 제어 장치 |
| CN115719841A (zh) * | 2022-11-25 | 2023-02-28 | 中创新航科技股份有限公司 | 储能集装箱及其装配方法 |
| KR20250098767A (ko) * | 2023-12-22 | 2025-07-01 | 주식회사 엘지에너지솔루션 | 컨테이너 모듈 |
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- 2020-12-30 US US17/764,319 patent/US12255302B2/en active Active
- 2020-12-30 JP JP2022502237A patent/JP7372437B2/ja active Active
- 2020-12-30 EP EP20910157.5A patent/EP4012824A4/en active Pending
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| CN116613432A (zh) * | 2023-07-17 | 2023-08-18 | 苏州钧灏电力有限公司 | 一种储能电池热管理装置及其工作方法 |
| CN116613432B (zh) * | 2023-07-17 | 2023-09-19 | 苏州钧灏电力有限公司 | 一种储能电池热管理装置及其工作方法 |
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| JP2022541020A (ja) | 2022-09-21 |
| EP4012824A1 (en) | 2022-06-15 |
| CN114365334A (zh) | 2022-04-15 |
| JP7372437B2 (ja) | 2023-10-31 |
| KR102765089B1 (ko) | 2025-02-06 |
| US20220344746A1 (en) | 2022-10-27 |
| EP4012824A4 (en) | 2022-10-26 |
| CN114365334B (zh) | 2025-04-08 |
| US12255302B2 (en) | 2025-03-18 |
| KR20210087844A (ko) | 2021-07-13 |
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