WO2019087498A1 - Boîtier de batterie - Google Patents

Boîtier de batterie Download PDF

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Publication number
WO2019087498A1
WO2019087498A1 PCT/JP2018/029106 JP2018029106W WO2019087498A1 WO 2019087498 A1 WO2019087498 A1 WO 2019087498A1 JP 2018029106 W JP2018029106 W JP 2018029106W WO 2019087498 A1 WO2019087498 A1 WO 2019087498A1
Authority
WO
WIPO (PCT)
Prior art keywords
seal line
seal
line
corner
battery case
Prior art date
Application number
PCT/JP2018/029106
Other languages
English (en)
Japanese (ja)
Inventor
泰央 山崎
真規 末永
岩崎　靖和
Original Assignee
オートモーティブエナジーサプライ株式会社
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 オートモーティブエナジーサプライ株式会社 filed Critical オートモーティブエナジーサプライ株式会社
Publication of WO2019087498A1 publication Critical patent/WO2019087498A1/fr

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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
    • H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • 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
    • 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
    • H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
    • H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
    • H01M50/222—Inorganic material
    • H01M50/224—Metals
    • 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
    • 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 case for housing a battery in a housing.
  • an on-vehicle power supply device of an electric vehicle or a hybrid vehicle supplies a direct current converted to three-phase alternating current power to an electric motor generator via an inverter according to a request on the system side of the vehicle.
  • this type of on-vehicle power supply device is constituted by a battery assembly in which a plurality of batteries are combined, and the plurality of batteries are accommodated in a housing of a battery case having a sealed structure.
  • Patent Document 1 As a battery case of this type, for example, the one shown in Patent Document 1 is known.
  • the battery case disclosed in the same document is provided with an explosion-proof valve that discharges the gas out of the case when the pressure in the case becomes high.
  • a battery case concerning one mode of the present invention is a battery case which stores a battery in a case, and covers the opening of the case and a seal line which surrounds the opening.
  • a gas discharge unit is provided which weakens the pressure.
  • a part of the seal line surrounding the opening of the housing is sealed more than the other part of the seal line by the cooperation of the plurality of fastening parts and the wall plate Since the gas discharge part with weak force is provided, the gas discharge part can be formed with a simple configuration. Therefore, it is possible to provide a battery case provided with the gas discharge part at low cost.
  • FIG. 1 is a schematic perspective view of a battery assembly including a battery case according to an aspect of the present invention. It is a schematic perspective view of the assembled battery in the state which removed the wall board from the battery case shown in FIG. 1, and in the same figure, a part of sub-frame which comprises a housing
  • FIG. 4 is a cross-sectional view taken along the line ZZ in FIG. 3; It is a top view of the X arrow part in FIG.
  • the battery assembly 1 includes a battery case 30 that accommodates a plurality of batteries 2 (see FIG. 2 described later) inside the housing 10.
  • the battery case 30 has a frame-shaped housing 10 and a plurality of wall plates (cover panels) 41 to 46 formed of rectangular steel plates covering the opening of the housing 10.
  • the case 10 has a rectangular frame shape from a plurality of frames including the main frames 11 to 15 and the sub frames 31 to 33, as illustrated in FIG. 2 with the plurality of wall plates 41 to 46 removed.
  • the mounting positions of wall plate mounting angles 31 to 33 which are sub-frames constituting the frame of the housing 10 are indicated by two-dot chain lines.
  • the battery pack 1 of the present embodiment has upper and lower stacks 3 u and 3 d in which a plurality of (16 in this example) batteries 2 are arranged in a row as shown in FIG. Stacked up (in this example, 2 stages).
  • a plurality of batteries 2 are arranged in the left-right direction in FIG.
  • the upper stack 3u of the second stage is disposed above the lower stack 3d, and the plurality of batteries 2 are arranged in the left-right direction in the same drawing.
  • the upper and lower stacks 3u and 3d are fixed to the housing 10 of the battery case 30, respectively, and the upper and lower stacks 3u and 3d are fixed to the housing 10. By being fixed to the vehicle.
  • a plurality of unshown cells which are lithium secondary ion batteries, are accommodated in a flat rectangular parallelepiped case.
  • Each battery 2 has a positive electrode terminal 2a and a negative electrode terminal 2b on one end face.
  • the surfaces of the positive and negative terminals 2a and 2b are on the front side, and the battery 2 on the side of the junction box 8 in the figure is arranged with the positive terminal 2a on the upper side.
  • the negative electrode terminal 2b is disposed on the lower side. Then, the positive electrode terminal 2a and the negative electrode terminal 2b of the adjacent battery 2 are arranged in order so as to be upside down to the end opposite to the junction box 8 side.
  • the surfaces of the positive and negative terminals 2a and 2b are on the front side, and the battery 2 on the side of the junction box 8 in the arrangement direction has the positive terminal 2a on the lower side and the negative terminal 2b. It is arranged on the upper side. Then, the positive electrode terminal 2a and the negative electrode terminal 2b of the adjacent battery 2 are arranged in order so as to be upside down to the end opposite to the junction box 8 side.
  • the housing 10 is viewed in plan by two column support members 11 separately disposed at the left and right lower portions and two base beam members 15 disposed separately at the front and rear lower portions.
  • the lower frame which makes a rectangular shape is comprised.
  • four column members 12 which are rectangular steel tube members are provided upright.
  • the left and right pillar members 12 are connected to each other in the middle by two first beam members 13 arranged horizontally.
  • the middle part is mutually connected by two 2nd beam members 14 arrange
  • the second foundation beam member 15 connects the first beam member 13 and the foundation beam member 15 at the center position of the left and right pillar members 12.
  • the second foundation beam member 15 and the left and right pillar members 12 are connected by two diagonally extending bracings 16 and two minor bracings 17 intersecting with the bracings 16. ing.
  • first fixing members 18 in front and rear are provided corresponding to the lower stack 3d with respect to the two foundation beam members 15, and the first fixing members 18 It is fixed to the housing 10.
  • the first fixing member 18 is a fixing bracket having an L-shaped cross section extending in right and left directions, and the upper surface of the second foundation beam member 15 of the base beam member 15 of the front and rear of each of the plurality of cells 2 constituting the lower stack 3d. , Are fixed by a plurality of mounting screws 19.
  • end plates 4 are fixed to the left and right sides of the lower stack 3d.
  • Each end plate 4 b is fixed to the upper surfaces of the left and right column support members 11 by a second fixing member 20 which is a fixing bracket having an L-shaped cross section.
  • the upper stack 3 u is fixed to the two first beam members 13 by the two first fixing members 18 so as to be in a floating state by providing the gap ⁇ with the lower stack 3 d.
  • the first fixing member 18 is a fixing fitting having an L-shaped cross section extending in the left and right direction, and fixes the front surfaces of the plurality of cells 2 constituting the upper stack 3 u to the upper surface of the first beam member 13 by the plurality of mounting screws 19.
  • end plates 4 which are fixing brackets having an L-shaped cross section are fixed to the left and right side surfaces of the upper stack 3 u. Each end plate 4 is fixed to the upper surface of the second beam member 14 by the second fixing member 20 by a plurality of mounting screws 21.
  • an upper stack 3u and a lower stack 3d are connected in series.
  • the positive electrode terminal 2a of the battery 2 on the junction box 8 side is connected to the relay RL1 in the junction box 8 via the harness H1.
  • the negative electrode terminal 2b is connected to the positive electrode terminal 2a in order via the bus bar 5 shown in FIG.
  • the negative terminal 2b of the battery 2 at the end of the upper stack 3u is connected to the positive terminal 2a of the battery 2 at the end of the lower stack 3d via the harness H2 as a conductive path.
  • the crimp terminal T is connected to both ends of the electric wire W in the harness H2, and the crimp terminal T and the negative electrode terminal 2b and the positive electrode terminal 2a are attached by the mounting screw 6.
  • the negative electrode terminal 2b of the battery 2 on the side of the junction box 8 of the upper stack 3u is connected to the relay RL2 via the harness H1.
  • the relays RL1 and RL2 are connected to the connector C, and the connector C is connected to an external load (not shown).
  • the battery case 30 described above is covered so as to seal the inside of the assembled battery 1 by the plurality of wall plates (cover panels) 41 to 46 around the casing 10.
  • the plurality of wall plates 41 to 46 includes six wall plates of an upper panel 41, a right side panel 42, a left side panel 43, a rear panel 44, a front panel 45 and a junction box panel 46.
  • the upper end portions of the left and right pillar members 12 are connected to each other by two wall plate mounting angles 32 arranged horizontally.
  • the wall plate mounting angle 32 is a fixture having an L-shaped cross section extending in the left and right direction, and is fixed to the left and right column members 12 by a plurality of mounting countersunk screws (not shown).
  • the upper end portions of the front and rear pillar members 12 are connected to each other by two wall plate mounting angles 31 disposed horizontally.
  • the wall plate mounting angle 31 is a fixing fitting having an L-shaped cross section extending in the front and rear direction, and is fixed to the front and rear post members 12 by a plurality of mounting countersunk screws (not shown).
  • four wall plate mounting angles 33 are mounted as sub-frames by a plurality of mounting countersunk screws (not shown) along each pillar 12.
  • the lower end portions of the front and rear pillar members 12 are connected by a plurality of mounting countersunk screws (not shown) at two lower end portions of the wall plate mounting angles 34 arranged horizontally.
  • a rectangular frame as a sub-frame is formed at the opening at the upper end of the pillar member 12 at the four corners by the four wall plate mounting angles 31 and 32 extending longitudinally and laterally.
  • the upper surfaces of the wall plate mounting angles 31 and 32 are configured as the mounting surface of the upper panel 41.
  • the side surfaces of the wall plate mounting angle 31 extending in the front and rear direction, the side surfaces of the front and rear two wall plate mounting angles 33, and the wall plate mounted at the lower portion
  • the side surfaces of the fork 34 form a rectangular frame as a sub-frame, and the side surfaces of the four wall plate mounting angles 31, 33, 34 serve as mounting surfaces for the rear panel 44 and the front panel 45.
  • a rectangular frame portion as a sub-frame is formed by the side surface 15 and is configured as a mounting surface of the right side panel 42 and the left side panel 43.
  • a large number of through holes (not shown) for mounting the wall plate set screw 50 are formed at appropriate positions along the four sides.
  • female screws are provided at appropriate positions on the facing surfaces of the main frames 11 to 15 to the sub frames 31 to 33 at positions facing the plurality of through holes, and a plurality of screws fastened and fixed by wall plate set screws 50 are provided.
  • the fastening portion is configured.
  • the plurality of wall plates 41 to 46 seal the seal material S along the seal line SL that surrounds the respective openings so as to connect the fastening portions. Is applied by a plurality of wall plate set screws 50. As a result, each opening of the housing 10 is covered completely around the entire circumference and sealed reliably.
  • the battery case 30 according to the present embodiment has a seal line SL other than the seal line SL by the cooperation of the fastening portions by the plurality of wall plate set screws 50 and the wall plate 41.
  • a gas discharge portion G is provided which has a smaller sealing force than the portion.
  • the configuration of the gas discharge unit G will be described in detail with reference to FIGS. 5 and 6.
  • FIG. 1 at a plurality of wall plates 41 to 46 at two left and right corner portions (portions of symbols Y1 and Y2 shown in the figure) on the rear side of the upper panel 41.
  • the example which provided the gas discharge part G is shown.
  • the configuration of these two gas discharge parts G is configured symmetrically, in the following description, the gas discharge part G at the upper left corner shown by the code Y1 will be described, and the other code Y2 part The enlarged illustration and the description thereof are omitted.
  • the periphery of the upper panel 41 is fixed by a plurality of wall plate set screws 50 along the four sides of the rectangular upper panel 41.
  • FIGS. As illustrated in the enlarged view, the side seal line SL1 is formed on a straight line connecting the adjacent wall plate fixing screws 50 on the side portion of the housing 10 where the upper panel 41 is fastened and fixed by the wall plate fixing screws 50.
  • the corner seal line SL2 is formed at a position offset Os outside the straight line CL connecting the adjacent wall plate set screws 50 in the upper left corner shown by the symbol Y1. It is done.
  • the two wall plate fixing screws 50 for fixing the vicinity of the corners located at reference numerals Y1 and Y2 shown in FIG. 1 are corner fastening portions 51s
  • the other wall plate fixing screws 50 are side fastening portions
  • the side seal line SL1 is formed for the seal line SL connecting the side fastening parts 51h to each other and the seal line SL connecting the corner fastening part 51s and the side fastening part 51h.
  • the corner seal line SL2 intentionally formed in a bent shape at a position offset Os outside the line CL connecting the straight lines.
  • the gas discharge portion G having a configuration in which the position is offset outward to the outside and is intentionally bent is also referred to as a first gas discharge portion G1.
  • the corner seal line SL2 forms the first gas discharge portion G1 having a bent shape with the offset Os on the outside, the side fastening portions 51h mutually or the corner fastening portions 51s and the side fastening portions 51h
  • the sealing force of the seal material S is intentionally weakened as compared with the straight side seal line SL1 connecting the two. Therefore, when the internal pressure of the housing 10 is increased, the portion where the corner seal line SL2 is formed functions as the gas discharge portion G.
  • the seal surface at the position of the corner seal line SL2 has a smaller seal area for the seal material S than the seal surface at the position of the side seal line SL1. It is formed. That is, in the example of the present embodiment, at the position of the side seal line SL1, the seal surface by the seal material S symmetrically extends on both sides of the straight line connecting the adjacent wall plate set screws 50 of the side seal line SL1. The surface of the upper panel 41 is widely formed on both sides of the seal line SL.
  • a concave notch 41k is formed in the part of the seal line SL, and the notch 41k allows the corner seal line SL2 to be formed.
  • a seal surface Ss outside the center line SL with respect to the seal surface Su inside the center line SL with respect to the center line SL that is, a line serving as an aim line for arranging the seal material S applied along a predetermined seal line SL).
  • the surface of the upper panel 41 is formed such that the sealing area of the upper panel 41 is reduced.
  • the second gas discharge part G2 having a seal surface narrower than the seal surface by the seal material S in the side part seal line SL1 is intentionally formed among the parts constituting the gas discharge part G.
  • the portion where the corner seal line SL2 is formed functions as the gas discharger G more reliably.
  • the battery case 30 of the present embodiment a wall plate constituting a plurality of fastening portions in the corner seal line SL2 which is a part of the seal line SL surrounding the opening periphery of the housing 10 Since the gas discharge part G whose sealing force is weaker than that of the side seal line SL1 which is the other part of the seal line SL is provided by the cooperation between the set screw 50 and the upper panel 41, the gas discharge with a simple configuration. The part G can be formed. Therefore, the battery case 30 provided with the gas discharge part G at low cost can be provided.
  • the side portion of the housing 10 to which the upper panel 41 is fastened and fixed by the wall plate set screw 50 is a side seal on a straight line connecting between adjacent fastening portions.
  • a line SL1 is formed, and a corner seal line SL2 is formed at a position where the corner portion of the housing 10 is offset Os outside the straight line CL connecting the adjacent fastening portions in a straight line. Since the portion in which the seal line SL2 is formed functions as the first gas discharge portion G1, it is suitable for forming the gas discharge portion G with a simple configuration.
  • the surface of the upper panel 41 is symmetrically covered so as to symmetrically cover both sides of the straight line connecting the adjacent fastening portions of the side seal line SL1.
  • the upper panel 41 is configured such that the seal area of the seal surface Ss outside the seal line Su on the inner side of the center line with respect to the center line of the corner seal line SL2 is narrower.
  • the second gas discharge part G2 is also formed by forming the surface of the second gas discharge part G2, which is more preferable in forming the gas discharge part G with a simple configuration.
  • a part of the seal line SL surrounding the opening of the housing 10 is a part of the seal line SL in cooperation with the plurality of fastening portions and the wall plate. Since the gas discharge part G whose sealing force is weaker than that of the part is provided, the gas discharge part G can be formed with a simple configuration.
  • the battery case according to the present invention is not limited to the above embodiment, and various modifications can be made without departing from the scope of the present invention.
  • the example used for the vehicle-mounted power supply device of an electric vehicle or a hybrid vehicle was shown as an application object of the assembled battery 1 provided with the battery case 30 which concerns on this embodiment in the said embodiment, The present invention is not limited to the use as an on-vehicle power supply device of an electric vehicle or a hybrid vehicle, and can be used for various power supply devices.
  • piled up the stack in 2 steps in battery case 30 was shown in the assembled battery 1 which concerns on the said embodiment, not only this but a stack may be comprised from 1 step, and also 3 It may be configured to be stacked in stages or more.
  • the side portion of the housing 10 to which the upper panel 41 is fastened and fixed is on a straight line connecting adjacent fastening portions, A side seal line SL1 is formed, and a corner seal line SL2 is formed at the corner of the case 10 at a position offset Os outside the line CL connecting the adjacent fastening portions in a straight line, thereby,
  • the example in which the part in which corner seal line SL2 was formed functions as gas discharge part G was shown.
  • the present invention is not limited to this, and a gas discharge part formed by making the sealing force weaker than other parts of the seal line by cooperation of the plurality of fastening parts and the wall plate to a part of the seal line. As long as it provides, it can be set as various aspects.
  • the present invention is of course not limited to the position of the top panel 41, and the gas discharge portion can be provided for the other wall panels (cover panels) 42 to 46.
  • the corner portion of the housing 10 is used as in the above embodiment.
  • the position at which the gas discharge portion is provided is not limited to the corners, but can be provided at the side portion.
  • the present invention can be configured.
  • a modification is demonstrated using the name of a "side part seal line” and a "corner part seal line” hereafter, these names do not mean that a position is limited to a side and a corner, and compared with the other seal line.
  • the seal line which is relatively strong is referred to as the "side seal line”
  • the seal line which is relatively weak compared to the other seal line is referred to as the "corner seal line”.
  • the distance between the adjacent fastening portions is shorter than the distance between the adjacent fastening portions at the position of the corner seal line so that the distance between the centers is made smaller. It is possible to provide a gas discharger which weakens the sealing force than the portion. Also, for example, at the position of the side seal line, the seal material is applied with a seal material of a material having a stronger sealing force than the seal material at the position of the corner seal line, so that it is more than other parts of the seal line. It is possible to provide a gas discharge part which weakens the sealing force.
  • the fastening member uses a fastening member having a stronger fastening force than the fastening member at the position of the corner seal line, so that the sealing force is made higher than other parts of the seal line.
  • a weakened gas outlet can be provided.
  • the wall plate is formed thicker than the wall plate at the position of the corner seal line, thereby making the sealing force weaker than other portions of the seal line.
  • a gas outlet can be provided.

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

Abstract

L'invention concerne un boîtier de batterie comprenant, à faible coût, une partie de décharge de gaz. Un boîtier de batterie (30) comprend une partie de décharge de gaz (G) disposée au niveau d'une section (SL2) d'une ligne d'étanchéité (SL) qui entoure le périmètre d'une ouverture d'un boîtier (10), la partie de décharge de gaz ayant une force d'étanchéité qui est plus faible que d'autres parties (SL1) de la ligne d'étanchéité en raison de l'effet combiné d'une pluralité de parties de fixation (50) et d'un panneau de paroi (41).
PCT/JP2018/029106 2017-10-31 2018-08-02 Boîtier de batterie WO2019087498A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017211035A JP7020867B2 (ja) 2017-10-31 2017-10-31 電池ケース
JP2017-211035 2017-10-31

Publications (1)

Publication Number Publication Date
WO2019087498A1 true WO2019087498A1 (fr) 2019-05-09

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Application Number Title Priority Date Filing Date
PCT/JP2018/029106 WO2019087498A1 (fr) 2017-10-31 2018-08-02 Boîtier de batterie

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WO (1) WO2019087498A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020216378A1 (de) 2020-12-21 2022-06-23 Volkswagen Aktiengesellschaft Hochvoltbatterie für ein elektrisch betriebenes Fahrzeug

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015028907A (ja) * 2013-07-04 2015-02-12 株式会社豊田自動織機 電池パック
JP2015125944A (ja) * 2013-12-26 2015-07-06 株式会社豊田自動織機 電池パック
WO2016076420A1 (fr) * 2014-11-14 2016-05-19 日本電気株式会社 Unité de batterie de stockage et dispositif de stockage d'énergie

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015028907A (ja) * 2013-07-04 2015-02-12 株式会社豊田自動織機 電池パック
JP2015125944A (ja) * 2013-12-26 2015-07-06 株式会社豊田自動織機 電池パック
WO2016076420A1 (fr) * 2014-11-14 2016-05-19 日本電気株式会社 Unité de batterie de stockage et dispositif de stockage d'énergie

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020216378A1 (de) 2020-12-21 2022-06-23 Volkswagen Aktiengesellschaft Hochvoltbatterie für ein elektrisch betriebenes Fahrzeug
DE102020216378B4 (de) 2020-12-21 2024-02-29 Volkswagen Aktiengesellschaft Hochvoltbatterie für ein elektrisch betriebenes Fahrzeug

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JP7020867B2 (ja) 2022-02-16
JP2019083165A (ja) 2019-05-30

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