WO2019065110A1 - Dispositif d'alimentation électrique - Google Patents

Dispositif d'alimentation électrique Download PDF

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Publication number
WO2019065110A1
WO2019065110A1 PCT/JP2018/032648 JP2018032648W WO2019065110A1 WO 2019065110 A1 WO2019065110 A1 WO 2019065110A1 JP 2018032648 W JP2018032648 W JP 2018032648W WO 2019065110 A1 WO2019065110 A1 WO 2019065110A1
Authority
WO
WIPO (PCT)
Prior art keywords
power supply
battery
potting resin
discharge valve
closing cover
Prior art date
Application number
PCT/JP2018/032648
Other languages
English (en)
Japanese (ja)
Inventor
米田　晴彦
真己 拝野
岸田　裕司
Original Assignee
三洋電機株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 三洋電機株式会社 filed Critical 三洋電機株式会社
Priority to JP2019544481A priority Critical patent/JP7174707B2/ja
Priority to CN201880062897.7A priority patent/CN111164786B/zh
Publication of WO2019065110A1 publication Critical patent/WO2019065110A1/fr
Priority to PH12020550163A priority patent/PH12020550163A1/en

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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
    • H01M50/271—Lids or covers for the racks or secondary casings
    • H01M50/273—Lids or covers for the racks or secondary casings characterised by the material
    • H01M50/278—Organic material
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
    • 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 power supply device that radiates heat of a battery by potting resin.
  • the power supply device needs to dissipate heat energy of the built-in battery to the outside. It is because the temperature rise of the battery causes the safety to be lowered, and further causes the battery to be adversely affected and deteriorated.
  • a power supply device has been developed which brings potting resin into close contact with the surface of a battery and dissipates heat energy through the potting resin. (See Patent Document 1)
  • the end face of the battery is embedded in the potting resin, and the heat energy of the battery is conducted to the potting resin and dissipated. Since the power supply device of this structure embeds the end face of the battery in the potting resin, the potting resin obstructs the discharge port of the discharge valve and has an adverse effect of preventing the quick discharge.
  • the battery opens the discharge valve when the internal pressure of the outer can becomes higher than the set pressure, thereby preventing the outer can from being destroyed.
  • the opening discharge valve smoothly discharges the jetted gas from the discharge port to the outside to prevent the rise in internal pressure. Therefore, the structure in which the jetted gas can not be smoothly discharged can not realize a rapid decrease in the rise in internal pressure.
  • the present invention has been developed for the purpose of preventing the above-mentioned adverse effects.
  • One of the objects of the present invention is to provide a structure in which a potting resin is brought into close contact with a battery to efficiently dissipate heat energy. It is an object of the present invention to provide a power supply device capable of achieving high safety by discharging gas smoothly. In addition, another object of the present invention is to provide a power supply device capable of ensuring heat radiation characteristics and safety by filling potting resin easily and efficiently while filling potting resin at a position ideal for heat radiation of a battery. It is to do.
  • a plurality of battery cells formed by arranging the opening of the discharge valve which opens at the set pressure on the end face are in parallel posture and both ends are arranged in the same plane
  • a battery unit is disposed so as to face the end face of the battery cell via an insulating space, and is disposed in close contact with the battery assembly and a battery assembly in which a discharge port of a discharge valve is disposed in the insulating space.
  • a potting resin and a blocking cover disposed in the insulating space and covering the opening of the discharge valve.
  • the closing cover is a foam of an insulating material having an independent bubble which is melted by the gas discharged from the discharge valve of the battery cell, and the closing cover flows the potting resin into the opening of the discharge valve. It blocks, and it is made to be able to be melted by the gas jetted from the discharge valve, and let the gas jet out.
  • the above power supply device is characterized in that the battery cell and the potting resin are in close contact with each other, the thermal energy of the battery cell can be dissipated efficiently, and the jetted gas of the discharge valve can be smoothly discharged to realize high safety.
  • the power supply device described above can efficiently dissipate the heat of the battery cells because the potting resin is in close contact with the battery assembly, and the potting resin dissipates the heat energy of the battery cells to the outside.
  • the closed cover is a foam of closed cells which is melted by the blow gas.
  • the closed cover made of closed-cell foam that is melted by the blow gas substantially reduces the mass to be melted substantially because the porosity can be significantly increased by the innumerable bubbles while reliably preventing the inflow of potting resin. It is characterized in that it can be rapidly melted by the high temperature and high pressure jetted gas injected from the discharge port, and the jetted gas can be discharged quickly.
  • the above power supply device can be filled with the potting resin in a state where the discharge cover of the discharge valve is closed by the closing cover, the potting resin is reliably prevented from closing the discharge port of the discharge valve. It is characterized in that the potting resin can be easily, easily and efficiently filled and efficiently mass-produced while filling at a position preferable for heat dissipation. Therefore, the above power supply device realizes excellent heat radiation characteristics with potting resin, and further prevents the exhaust valve from being blocked by the potting resin, and smoothly discharges the jetted gas, thereby providing high safety. It also realizes the feature to realize the nature.
  • the melting temperature of the said closure cover can be 100 degreeC or more and 500 degrees C or less.
  • the closing cover can be used as the insulating material of a rubbery elastic body.
  • the closing cover can be made of a foam made of either synthetic rubber or soft plastic.
  • the closing cover has an outer peripheral frame that closes the outer peripheral part of the insulating space, and the potting resin
  • the exhaust chamber can be provided inside the outer peripheral frame while filling the outer side of the frame, and the exhaust port of the exhaust valve can be opened in the exhaust chamber.
  • FIG. 1 It is a vertical sectional view showing a power supply device concerning one embodiment of the present invention. It is a principal part expanded sectional view of the power supply device of FIG. It is the III-III sectional view taken on the line of the power supply device of FIG. It is a disassembled perspective view of the battery assembly of the power supply device of FIG. It is a disassembled perspective view of the closure cover shown in FIG.
  • each element constituting the present invention may be configured such that a plurality of elements are constituted by the same member and one member is used in common as a plurality of elements, or conversely the function of one member is realized by a plurality of members It can be shared and realized.
  • the contents described in some examples and embodiments may be applicable to other examples and embodiments.
  • the power supply device shown below mainly demonstrates the example applied to the drive power supply of electric vehicles, such as an electric vehicle and an electric cart which drive
  • the power supply device 100 shown in FIGS. 1 to 3 has a battery assembly 40 built in an exterior case 9.
  • the battery assembly 40 includes a pair of battery units 40A, and arranges and connects the pair of battery units 40A at opposing positions (left and right in FIG. 1). (Battery unit 40A)
  • battery unit 40A arranges a plurality of secondary battery cells 1 in a parallel posture, arranges both ends in the same plane, and connects lead plate 45 to end electrodes 13 at both ends. ing.
  • the battery assembly 40 arranges a pair of battery units 40A arranged at opposing positions in the axial direction of the secondary battery cell 1, and also provides an insulating space 6 between the pair of battery units 40A.
  • Each battery unit 40A arrange
  • the secondary battery cell 1 is provided at its end face with a discharge port (not shown) of a discharge valve that opens at a set pressure.
  • the secondary battery cell 1 is provided with end electrodes 13 at both ends.
  • the opening of a metal outer can such as aluminum is hermetically sealed with a sealing plate, and a convex electrode is provided on the sealing plate to form a first end electrode 13A, and the bottom of the outer can As a second end electrode 13B.
  • the discharge port of the discharge valve is provided on the convex electrode side or on the bottom surface of the outer can.
  • the secondary battery cell 1 is a cylindrical lithium ion battery.
  • the lithium ion battery has a large capacity with respect to size and weight, and can increase the total capacity of the power supply device 100.
  • the power supply device of the present invention does not specify the secondary battery cell as a lithium ion battery.
  • Other secondary batteries that can be charged can be used for the secondary battery cell.
  • the power supply apparatus 100 of FIG. 1 makes the secondary battery cell 1 a cylindrical battery, a square battery can also be used for a secondary battery cell.
  • a lead plate 45 is welded to the end electrodes 13 at both ends thereof, and the adjacent secondary battery cells 1 are connected in series or in parallel. (Battery holder 44)
  • the secondary battery cell 1 is disposed at a fixed position by the battery holder 44 as shown in FIG.
  • the battery holder 44 is manufactured by molding an insulating material such as plastic.
  • the illustrated battery holder 44 arranges all the secondary battery cells 1 at a fixed position in a parallel posture. Since the secondary battery cells 1 arranged at a fixed position by the battery holder 44 have the lead plates 45 welded to both ends, each lead plate 45 to be welded to each end is positioned in the same plane.
  • the secondary battery cell 1 is disposed in the battery holder 44 so that both ends thereof are positioned substantially in the same plane.
  • the battery holder 44 is provided with the insertion part 44A which inserts the secondary battery cell 1 and arrange
  • the insertion portion 44A has a cylindrical shape.
  • the battery holder 44 has a cylindrical plastic shape and is provided with the insertion portion 44A inside.
  • the insertion portion 44A is provided at both ends with openings 44B for exposing the battery end.
  • the opening 44B exposes the end of the secondary battery cell 1 inserted into the insertion portion 44A to the outside from the insertion portion 44A.
  • the battery assembly 40 is in close contact with the potting resin 7 and conducts heat energy of the secondary battery cell 1 to the potting resin 7 to dissipate heat.
  • the potting resin 7 is in close contact with the battery surface directly or in close contact with the secondary battery cell 1 via the battery holder 44 and the lead plate 45 to dissipate the heat of the secondary battery cell 1.
  • the potting resin 7 puts the battery assembly 40 in the waterproof bag 75, fills the waterproof bag 75 with the uncured liquid potting resin 7, cures the potting resin 7, and adheres to the battery assembly 40. .
  • the battery assembly is put in the outer case and the potting resin is
  • the battery case can be filled and closely attached, and a space for filling the potting resin can be provided in the battery holder, or alternatively, the battery assembly can be placed and filled in a case for filling the potting resin.
  • the potting resin 7 can widen the heat conduction area in close contact with the battery surface of the battery assembly 40 and the like, and can effectively dissipate the heat of the secondary battery cell 1.
  • the uncured potting resin 7 is in a liquid state, and is filled and infiltrates into a narrow gap. Therefore, it penetrates from the opening of the lead plate 45 welded to the end face of the secondary battery cell 1 and the gap with the secondary battery cell 1 Then, it is in close contact with the surface of the secondary battery cell 1.
  • the battery assembly 40 in which the insulating space 6 is provided between the pair of battery units 40A and the end faces of the secondary battery cells 1 are disposed on both sides of the insulating space 6 has a discharge port of the discharge valve. Exposed to the insulating space 6.
  • the discharge valve is opened, high temperature jetted gas is injected from the discharge port.
  • the potting resin 7 blocks the discharge port of the discharge valve to inhibit the discharge of the jetted gas.
  • the potting resin 7 which intrudes into the interior from the discharge port inhibits the normal operation of the discharge valve.
  • the power supply device opens the discharge valve to prevent the rupture of the secondary battery cell 1 when the internal pressure of the secondary battery cell 1 becomes abnormally high, so that the structure in which the jetted gas can not be discharged smoothly is similar to that of the secondary battery cell 1 Even if heat can be dissipated efficiently, high safety can not be ensured. (Occlusion cover 61)
  • the closing cover 61 is disposed in the insulating space 6 so that the potting resin 7 does not close the discharge port of the discharge valve.
  • the closing cover 61 of the power supply apparatus 100 has an outer peripheral frame 62 closing the outer peripheral part of the insulating space 6, and the outer peripheral frame 62 moves to the insulating space 6 of the potting resin 7.
  • the potting resin 7 is filled on the outer side of the outer peripheral frame 62, and the exhaust chamber 63 is provided inside the outer peripheral frame 62 to expose the exhaust port of the exhaust valve to the exhaust chamber 63. .
  • the outer peripheral frame portion 62 has a shape extending along the outer peripheral edge portion of the insulating space 6, closely in contact with the end face of the battery unit 40A without a gap, and prevents the potting resin 7 from flowing into the insulating space 6.
  • the closed cover 61 having this structure is characterized in that a large volume exhaust chamber 63 is provided inside the outer peripheral frame 62 and the jetted gas can be jetted here, so that the jetted gas can be smoothly discharged. The reason is that the large-volume exhaust chamber 63 has a slow rise in internal pressure due to the gas jetted from the discharge port of the discharge valve, and can make the rise gradient of the exhaust resistance gentle.
  • the closing cover 61 is formed of a foam of an insulating material having closed cells which are melted by the gas discharged from the discharge valve.
  • the melting temperature of the blocking cover 61 melted by the jet gas is, for example, 100 ° C. or more and 500 ° C. or less, preferably 200 ° C. or more and 400 ° C. or less.
  • the closing cover 61 having a low melting temperature can be quickly melted by the jetted gas to discharge the jetted gas to the outside of the insulating space 6, and the closing cover 61 having a high melting temperature can block the insulating space 6 reliably in use.
  • the melting temperature of the blocking cover 61 is set in the above-mentioned range in consideration of the temperature characteristic which is promptly melted in the jetted gas and does not deform or melt in the state where the jetted gas is not jetted.
  • the closed cover 61 melted by the jetted gas prevents the flow of the potting resin 7 into the insulating space 6 without being melted in the step of filling the liquid potting resin 7 and jets high temperature jetted from the opened discharge valve. It is melted by gas.
  • the melted closing cover 61 opens the insulating space 6 to the outside, and the jetted gas to be injected is discharged from the insulating space 6 as shown by the arrows in FIGS. 2 and 3.
  • the closing cover 61 made of an insulating material is in close contact with the end portion electrode 13 side of the battery unit 40A, so that the insulating space 6 can be closed.
  • the closing cover 61 of the insulating material is in close contact with the lead plate 45, and the insulating space 6 is closed without shorting the lead plate 45. it can. Furthermore, since the closed cover 61 of the foam having closed cells has a small weight per unit volume and can reduce the density, it is rapidly melted by the high-temperature jetted gas, and the jetted gas is rapidly discharged to the outside from the insulating space 6 There is a feature that can be done. Furthermore, since the closed cover 61 of the foam can be made to have a lower specific gravity by controlling the foaming ratio at the time of molding, the melting time by the jet gas can be extremely shortened.
  • the closing cover 61 is formed of a rubber-like elastic foam.
  • the rubber-like elastic closure cover 61 is formed of, for example, a synthetic rubber foam or a soft plastic foam. Propylene rubber can be used as the synthetic rubber foam. For example, a soft urethane foam can be used for the soft plastic foam.
  • the closing cover 61 made of a rubber-like elastic body is disposed between the pair of battery units 40A, pressed by the battery units 40A on both sides, and elastically deformed in a compressed state to be in close contact with the opposing surface 40a of the battery unit 40A. Do.
  • the closing cover 61 in close contact with the facing surface 40 a of the battery unit 40 A is characterized in that the liquid potting resin 7 injected into the insulating space 6 can be reliably prevented from entering the insulating space 6.
  • the lead plate 45 forms asperities and gaps on the facing surface 40a. It is characterized in that the unevenness can be absorbed and the gap can be closed to surely prevent the potting resin 7 from invading the insulating space 6.
  • the closed cover 61 of the rubber-like elastic body made of the foam having the closed cells has a greater degree of freedom to be softened and deformed by the innumerable air bubbles, and there is no gap on the facing surface 40a of the battery unit 40A having unevenness. It is characterized in that it adheres tightly and closes the gap to prevent the potting resin 7 from flowing into the insulating space 6 more reliably.
  • the closing cover 61 made of a rubber elastic body can be elastically deformed to be in close contact with the facing surface 40a of the battery unit 40A, thereby reducing the pressing force of the facing surface 40a of the battery unit 40A. Therefore, there is a feature that the insulating space 6 can be reliably closed without causing an excessive stress on the battery unit 40A while in close contact with the facing surface 40a of the battery unit 40A.
  • the closing cover 61 does not necessarily have to be formed of a rubber-like elastic body.
  • a packing that elastically deforms is disposed between the closing cover 61 and the facing surface 40a of the battery unit 40A, or a sealing material is applied to closely attach the closing cover 61 to the facing surface 40a of the battery unit 40A. It is because
  • the present invention identifies the closing cover 61 in this shape. It is not something to do.
  • the closing cover is formed into a plate-like foam in which a recess is provided on the surface facing the discharge port of the discharge valve of the secondary battery cell, or it is disposed without gaps in the insulating space, It is also possible to form a plate without the exhaust chamber to close the outlet of the outlet valve.
  • the expansion ratio of the foam is increased to increase the porosity inside the closure cover, and the melting temperature is lowered to shorten the melting time by the high-temperature jetted gas, thereby providing an insulating space. Immediately discharge the jetted gas to the outside.
  • the power supply apparatus 100 of FIG. 1 and FIG. 2 arranges the heat resistant sheet 64 in the middle of the insulating space 6, arranges the closing cover 61 on both sides of the heat resistant sheet 64, and forms the closing cover 61 with the heat resistant sheet 64 and the battery unit 40A.
  • the heat-resistant sheet 64 is a sheet having a heat-resistant property in which the jetted gas is not melted, and protects the opposing secondary battery cell 1 from the jetted gas injected into the insulating space 6 to prevent thermal runaway of the secondary battery cell 1.
  • the heat-resistant sheet 64 is an insulating sheet, and prevents short circuiting of the lead plates 45 of the battery unit 40A disposed on the opposite surface 40a of the both surfaces, ie, the insulating space 6.
  • the heat-resistant sheet 64 it is possible to use flame-retardant treated insulating paper or paper or non-woven fabric in which insulating heat-resistant fibers are collected. Since these heat-resistant sheets 64 can be made thin, the heat-resistant sheets 64 can widen the insulating space 6 without reducing the substantial volume of the insulating space 6 and can discharge the jetted gas smoothly.
  • the power supply device 100 of FIGS. 1 and 3 has the insulating sheet 65 laminated on the surface of the outer peripheral frame 62 of the closing cover 61 and the surface of the heat resistant sheet 64.
  • the insulating sheet 65 is made of plastic, and the closing covers 61 are disposed on both sides of the heat resistant sheet 64, and the heat resistant sheet 64 and the closing covers 61 on both sides are integrally connected to each other.
  • the insulating spacer 60 is disposed in a state of being sandwiched between the pair of battery units 40A, and arranges the closing cover 61 and the heat-resistant sheet 64 at a predetermined position of the insulating space 6. Therefore, this structure is characterized in that the assembly process is simplified and mass production is efficiently performed, and the heat-resistant sheet 64 and the closing cover 61 can be disposed at the correct positions.
  • the power supply device of the present invention is conveniently used for applications requiring high safety while efficiently radiating a large number of built-in secondary battery cells.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)
  • Gas Exhaust Devices For Batteries (AREA)

Abstract

La présente invention vise à permettre une dissipation de la chaleur efficace à l'aide d'une résine d'enrobage, garantir une sécurité élevée par décharge en douceur du gaz éjecté par une soupape de refoulement, charger simplement et efficacement une résine d'enrobage, et assurer des caractéristiques de dissipation de chaleur ainsi que la sécurité d'une batterie. Ledit dispositif d'alimentation électrique est pourvu d'un ensemble batterie (40) dans lequel une paire d'unités de batterie (40A) sont placées à des positions opposées à un espace isolant (6), des ouvertures de refoulement de soupapes de refoulement situées dans des éléments de batterie (1) dans les unités de batterie (40A) étant placées dans l'espace isolant (6). L'ensemble batterie (40) est en contact étroit avec la résine d'enrobage (7). Un capot de fermeture (61) constitué d'une mousse d'un matériau isolant comprenant des pores fermés qui peuvent être fondus par un gaz éjecté par les éléments de batterie (1) est placé dans l'espace isolant (6). Le capot de fermeture (61) bloque l'écoulement de la résine d'enrobage (7) dans des parties d'ouverture de soupape de refoulement.
PCT/JP2018/032648 2017-09-29 2018-09-03 Dispositif d'alimentation électrique WO2019065110A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2019544481A JP7174707B2 (ja) 2017-09-29 2018-09-03 電源装置
CN201880062897.7A CN111164786B (zh) 2017-09-29 2018-09-03 电源装置
PH12020550163A PH12020550163A1 (en) 2017-09-29 2020-03-27 Power source apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017-190042 2017-09-29
JP2017190042 2017-09-29

Publications (1)

Publication Number Publication Date
WO2019065110A1 true WO2019065110A1 (fr) 2019-04-04

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Country Link
JP (1) JP7174707B2 (fr)
CN (1) CN111164786B (fr)
PH (1) PH12020550163A1 (fr)
WO (1) WO2019065110A1 (fr)

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JP2021502665A (ja) * 2018-10-12 2021-01-28 エルジー・ケム・リミテッド バッテリーモジュール、これを含むバッテリーラック及びこのバッテリーラックを含む電力貯蔵装置
JP2022523777A (ja) * 2019-03-07 2022-04-26 寧徳時代新能源科技股▲分▼有限公司 電池モジュール及び電池パック
CN114902478A (zh) * 2019-12-13 2022-08-12 雷诺股份公司 具有冷却回路的电池包

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JP2017062918A (ja) * 2015-09-24 2017-03-30 株式会社豊田自動織機 蓄電モジュール

Cited By (5)

* Cited by examiner, † Cited by third party
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JP2021502665A (ja) * 2018-10-12 2021-01-28 エルジー・ケム・リミテッド バッテリーモジュール、これを含むバッテリーラック及びこのバッテリーラックを含む電力貯蔵装置
JP7045537B2 (ja) 2018-10-12 2022-04-01 エルジー エナジー ソリューション リミテッド バッテリーモジュール、これを含むバッテリーラック及びこのバッテリーラックを含む電力貯蔵装置
JP2022523777A (ja) * 2019-03-07 2022-04-26 寧徳時代新能源科技股▲分▼有限公司 電池モジュール及び電池パック
JP7368486B2 (ja) 2019-03-07 2023-10-24 寧徳時代新能源科技股▲分▼有限公司 電池モジュール及び電池パック
CN114902478A (zh) * 2019-12-13 2022-08-12 雷诺股份公司 具有冷却回路的电池包

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