WO2006030659A1 - 電池パック - Google Patents
電池パック Download PDFInfo
- Publication number
- WO2006030659A1 WO2006030659A1 PCT/JP2005/016256 JP2005016256W WO2006030659A1 WO 2006030659 A1 WO2006030659 A1 WO 2006030659A1 JP 2005016256 W JP2005016256 W JP 2005016256W WO 2006030659 A1 WO2006030659 A1 WO 2006030659A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- battery
- plate
- case
- battery pack
- battery cells
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
-
- 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
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/242—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
-
- 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
- H01M50/264—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
-
- 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
- H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
- H01M50/293—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs characterised by the material
-
- 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 pack for a rechargeable electric tool, and more particularly to a battery pack having an improved battery cell fixing method.
- a battery pack of a rechargeable electric tool is composed of a battery case and a plurality of secondary battery cells connected in series accommodated in the battery case.
- Japanese Patent Application Laid-Open No. 10-012204 discloses a battery pack in which cylindrical battery cells are accommodated in a cylindrical battery case.
- Japanese Patent Laid-Open No. 2002-219672 discloses a battery pack in which cylindrical battery cells are accommodated in a rectangular battery case.
- Japanese Patent Laid-Open No. 2000-200593 discloses a battery pack that is reduced in size by using plate-shaped battery cells in a laminate sheet package.
- FIG. 9A and FIG. 9B show a rectangular battery pack in which laminated sheet package type battery cells are stacked according to the related art of the present invention.
- 1 is a battery case
- 2 is a laminated sheet package type lithium secondary battery cell (hereinafter simply referred to as a battery cell).
- the battery cell 2 is a sheet material obtained by laminating an aluminum foil with a polymer resin sheet, and is configured by covering a lithium secondary battery element.
- the planar shape is square.
- the positive terminal 3 is pulled out from one end, and the negative terminal 4 is pulled out from the other end.
- a plurality of battery cells 2 are alternately stacked in opposite directions, and a positive terminal 3 and a negative terminal 4 that are opposed to each other in the vertical direction are connected in series with a lead piece 5.
- An electric power tool is greatly affected by vibration generated by the tool itself and an impact caused by a reaction force during work.
- a hammer drill or a nailing machine has a high acceleration and a large amplitude vibration.
- the entire battery cell is not firmly fixed.
- the laminate coating of the battery cell is flexible, the entire stacked battery cell vibrates in the battery case. As a result, the upper-layer battery cell may collide with the inner wall of the battery case, and the lead piece, lead wire or wiring cord may be disconnected, or the battery cell terminal may be damaged.
- One or more embodiments of the present invention provide a battery pack in which plate-shaped battery cells are stacked, in which the risk of disconnection or damage to terminals due to vibration of the battery cells is eliminated. provide.
- the battery pack includes a plurality of plate-shaped battery cells stacked and bonded, and the stacked battery cells are bonded and accommodated in the battery case. Configured.
- the battery pack has a support plate that is attached between the flat portions of the stacked battery cells or between the battery cells and whose end face is in contact with the inner wall surface of the battery case.
- the support plate is interposed between the battery cells.
- the battery pack includes a plurality of plate-shaped battery cells stacked and bonded, and the stacked battery cells are bonded and accommodated in the battery case. Configured.
- the battery pack includes a support plate that is provided on each of the planar portions of the stacked battery cells and that has an end surface that abuts against an inner wall surface of the battery case.
- At least a part of the flat portion positioned between the upper end surfaces of the support plate is in contact with the inner wall surface of the battery case.
- the battery pack includes a plurality of plate-shaped battery cells stacked and bonded, and the stacked battery cells are bonded and accommodated in the battery case. Configured. At least one partition member that partitions the interior of the battery case into a plurality of layers is provided. Each plate battery cell or each plate battery cell integrated body obtained by stacking the plate battery cells is mounted and bonded to the corresponding partition member.
- the battery pack includes a plurality of plate-shaped battery cells stacked and bonded, and the stacked battery cells are bonded and accommodated in the battery case. Configured. A spacer is inserted into the space around the battery cell.
- the spacer is formed by filling the surrounding space with a silicone rubber or a foam rubber.
- the battery pack includes a plurality of plate-like battery cells, a battery case that houses the plurality of battery cells, and the battery cell includes the battery. Fixing means for preventing vibration in the case.
- a support plate that is bonded to the battery cell and has an end face that contacts the inner wall surface of the battery case, a cutting member that partitions the inside of the battery case into a plurality of layers, and a space around the battery cell Spacers, etc. arranged in the
- FIG. 1A is a front sectional view of a battery pack according to Embodiment 1.
- FIG. 1B is a side sectional view of the battery pack according to Example 1.
- FIG. 2 is a side sectional view of a battery pack according to Example 2.
- FIG. 3 is a side sectional view of a battery pack according to Example 3.
- FIG. 4 is a side sectional view of a battery pack according to Example 4.
- FIG. 5 is a side sectional view of a battery pack according to Example 5.
- FIG. 6 is a side sectional view of a battery pack according to Example 6.
- FIG. 7A is a plan sectional view of a battery pack according to Example 7.
- FIG. 7B is a side sectional view of the battery pack according to Example 7.
- FIG. 8A is a cross-sectional plan view of a battery pack according to Example 8.
- FIG. 8B is a side sectional view of the battery pack according to Example 8.
- FIG. 9A is a front sectional view of a battery pack according to the related art of the present invention.
- FIG. 9B is a side sectional view of the battery pack of FIG. 9A. Explanation of symbols
- FIG. 1A and FIG. 1B show a battery pack 11.
- a battery case is composed of a nostab type lower case 12 and an upper cover 13 mounted on the lower case 12.
- the upper cover 13 and the lower case 12 are joined by means such as adhesive or high frequency welding.
- latch portions 14 are formed on the left and right side surfaces of the lower case 12.
- stacked plate-shaped battery cells 15 laminated package type lithium secondary battery cells
- the lowermost (first stage) plate battery cell 15 is bonded to the bottom surface inside the lower case 12 with a double-sided adhesive tape (not shown).
- the plate-like battery cells 15 thereon are also bonded with double-sided adhesive tape.
- the plurality of stacked battery cells 15 are alternately arranged in opposite directions.
- the positive terminal 16 and the negative terminal 17 facing upward and downward are connected by lead pieces 18 respectively.
- the positive terminal 16 of the uppermost plate battery cell 15 and the negative terminal 17 of the lowermost plate battery cell 15 are a negative electrode and a positive electrode (not shown) provided on the side surfaces of the upper cover 13 and the lower case 12. Connected to.
- a charge protection circuit is built in the lower case 12 as necessary.
- a support plate 19 having a length substantially equal to the front-rear width (the left-right direction in FIG. 1B) inside the lower case 12 is adhered with a double-sided adhesive tape. It is.
- the end surface of the support plate 19 is in contact with the inner wall surface of the lower case 12, so that the plate-shaped battery cell 15 is supported by the support plate 19 and lowered. Does not move relative to case 12. For this reason, breakage and disconnection of the lead piece 18 are prevented.
- the position of the support plate 19 is not necessarily the upper surface of the plate-shaped battery cell assembly. As shown in FIG. 2, the support plate 19 is located between the uppermost battery cell and the lower four battery cells. May be arranged. Further, it may be between the fourth stage and the third stage. Although illustration is omitted, it is necessary to form a concave notch in the left and right center part of one end of the support plate 19 so that V does not interfere with the lead piece 18.
- FIG. 3 shows a configuration in which a support plate 19 is disposed between all the plate battery cells 15. Although the number of parts increases, the vibration prevention effect of the battery cell is further improved.
- FIG. 4 shows a structure in which a horizontal partition plate 12 a integrated with the lower case 12 is arranged in multiple layers in the lower case 12. Double-sided adhesive tape with plate-shaped battery cell 15 on each partition plate 12a Glued and supported by etc. By attaching the plate-like battery cells 15 to the partition plate 12a one by one, a large-mass battery cell block can be prevented from being damaged as in the case where the plate-like battery cells 15 are directly stacked. For this reason, vibration of the plate battery cell 15 is prevented.
- a plurality of box-type cases 20 each containing one plate-like battery cell 15 are bonded and laminated with a double-sided adhesive tape.
- This case laminate is bonded to the inner bottom surface of the lower case 12.
- the box-shaped case 20 is rigid and not as flexible as the laminated package of plate-shaped battery cells 15. Therefore, even when the battery pack 11 is shaken or shaken, the stacked box-shaped case 20 swings.
- the battery pack 11 shown in FIG. 6 is an example in which a spacer 20 such as silicone rubber or foam rubber is inserted around the plate-shaped battery cell 15 in the lower case 12 or at least in the spaces at the front and rear ends. Is shown. These spacers 20 may be formed in advance in a shape that matches the space inside the battery case. Alternatively, after the plate-shaped battery cell 15 is loaded in the lower case 12, a filler in a fluid state is used. It may be injected and solidified.
- a spacer 20 such as silicone rubber or foam rubber
- the plate-like battery cells 15 are arranged vertically.
- An assembly of the plate battery cells 15 bonded to each other by the double-sided adhesive tape is bonded to the right inner wall surface of the battery case 32.
- a support plate 33 adhered to the left side surface of the battery pack 15 has a gap between the battery pack 15 and the left inner wall surface of the battery case 32.
- the support plate 33 is fitted in a recess 32a formed on the left inner wall surface of the battery case 32, and is bonded to the plate battery cell 15 or both the plate battery cell 15 and the battery case 32, so that the plate battery Prevents vibration of the cell assembly.
- the support plate 33 is fitted into the recess 32a of the battery case 32, and the plane dimension of the support plate 33 is substantially equal to the vertical and horizontal dimensions of the left and right inner wall surfaces of the battery case. Positioning may be performed by bringing the end surface of the support plate 33 into contact with the front and rear inner wall surfaces of the case 32.
- the left and right wall surface force mechanisms of the battery case 42 are formed in a convex shape for reasons of design or design. In this case, the bonding area for bonding and fixing the plate-shaped battery cell 15 to the left and right inner wall surfaces of the battery case 42 is insufficient. Therefore, support plates 43 similar to those in FIGS.
- the adhesive force of each battery cell and the force described that the double-sided adhesive tape is used for adhesion between the battery cell assembly and the inner surface of the battery case may be adhered using various adhesives. .
- a support plate having substantially the same shape as that of the battery case is interposed, the inside of the battery case is divided into a plurality of layers by partition members, and the battery cells are individually mounted on the partition members at each stage, or the battery cell It is possible to prevent the battery cell from vibrating in the battery case by inserting a spacer into the surrounding space. This eliminates the possibility of the battery cell colliding with the inner wall surface of the battery case and damaging the electrode terminals and lead wires.
- a support plate having substantially the same shape as the planar shape of the internal space of the battery case is interposed. Also, this support plate is interposed between each battery cell. May be.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004266059A JP4747539B2 (ja) | 2004-09-13 | 2004-09-13 | 電池パック |
| JP2004-266059 | 2004-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006030659A1 true WO2006030659A1 (ja) | 2006-03-23 |
Family
ID=36059914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/016256 Ceased WO2006030659A1 (ja) | 2004-09-13 | 2005-09-05 | 電池パック |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4747539B2 (ja) |
| WO (1) | WO2006030659A1 (ja) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2073291A2 (en) | 2007-12-18 | 2009-06-24 | BYD Company Limited | Battery Pack |
| EP1992026A4 (en) * | 2006-03-06 | 2010-04-21 | Lg Chemical Ltd | BATTERY MODULE |
| US9337455B2 (en) | 2006-03-06 | 2016-05-10 | Lg Chem, Ltd. | Middle or large-sized battery module |
| US9484591B2 (en) | 2006-03-06 | 2016-11-01 | Lg Chem, Ltd. | Voltage sensing member and battery module employed with the same |
| US9620826B2 (en) | 2006-03-06 | 2017-04-11 | Lg Chem, Ltd. | Middle or large-sized battery module |
| CN112117401A (zh) * | 2019-06-20 | 2020-12-22 | 南京德朔实业有限公司 | 电动工具及其电池包 |
| CN115149200A (zh) * | 2021-03-31 | 2022-10-04 | 丰田自动车株式会社 | 蓄电装置 |
| CN115149173A (zh) * | 2021-03-31 | 2022-10-04 | 丰田自动车株式会社 | 蓄电装置 |
| EP4056408A4 (en) * | 2019-11-29 | 2023-01-11 | BYD Company Limited | BATTERY PACK AND ELECTRIC VEHICLE |
| EP4145607A4 (en) * | 2020-06-19 | 2024-04-03 | BYD Company Limited | Vehicle and battery pack thereof |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007043392A1 (ja) * | 2005-10-03 | 2007-04-19 | Densei-Lambda Kabushiki Kaisha | 電池パック |
| JP5147193B2 (ja) * | 2006-04-24 | 2013-02-20 | 株式会社アイ・ディー・エクス | バッテリパック |
| JP2008226560A (ja) * | 2007-03-09 | 2008-09-25 | Gs Yuasa Corporation:Kk | 組電池 |
| JP5094175B2 (ja) * | 2007-03-23 | 2012-12-12 | Necエナジーデバイス株式会社 | リチウムイオン二次電池パック |
| JP5111099B2 (ja) * | 2007-12-28 | 2012-12-26 | シャープ株式会社 | 電池パック |
| DE102009037063A1 (de) * | 2009-08-13 | 2011-02-17 | Behr Gmbh & Co. Kg | Verfahren zum Herstellen einer Energiespeichervorrichtung für ein Fahrzeug |
| JP5555113B2 (ja) * | 2010-09-27 | 2014-07-23 | パナソニック株式会社 | 電池パック及び該電池パックを備えた電動工具 |
| JP5613601B2 (ja) * | 2011-03-24 | 2014-10-29 | カヤバ工業株式会社 | 蓄電装置及びその製造方法 |
| JP6264739B2 (ja) * | 2013-04-08 | 2018-01-24 | 株式会社Gsユアサ | 蓄電装置 |
| JP6179163B2 (ja) * | 2013-04-08 | 2017-08-16 | 株式会社Gsユアサ | 組電池の組み立て方法、及び組電池 |
| JP6103238B2 (ja) * | 2013-10-24 | 2017-03-29 | 株式会社豊田自動織機 | 電池パック |
| JP6103237B2 (ja) * | 2013-10-24 | 2017-03-29 | 株式会社豊田自動織機 | 電池パック |
| JP5892148B2 (ja) * | 2013-12-04 | 2016-03-23 | 株式会社豊田自動織機 | 電池モジュールユニット |
| JP6090586B2 (ja) * | 2013-12-26 | 2017-03-08 | 株式会社豊田自動織機 | 電池パック |
| JP2016119149A (ja) * | 2014-12-18 | 2016-06-30 | Fdk株式会社 | 蓄電モジュールの製造方法、及び蓄電モジュール |
| US11114718B2 (en) | 2015-09-29 | 2021-09-07 | Gs Yuasa International Ltd. | Energy storage apparatus and method of manufacturing energy storage apparatus |
| KR102024326B1 (ko) * | 2015-10-14 | 2019-09-23 | 주식회사 엘지화학 | 배터리 모듈 및 이를 포함하는 배터리 팩 |
| JP6812943B2 (ja) * | 2017-10-13 | 2021-01-13 | トヨタ自動車株式会社 | 電池パックの製造方法 |
| KR102317273B1 (ko) * | 2017-12-12 | 2021-10-22 | 주식회사 엘지에너지솔루션 | 크러쉬 플레이트를 구비하는 배터리 모듈 및 그 제조 방법 |
| JP7437864B2 (ja) * | 2022-02-16 | 2024-02-26 | プライムプラネットエナジー&ソリューションズ株式会社 | 蓄電デバイスパックの保存方法及び蓄電デバイスパックの保存装置 |
| JP7437863B2 (ja) * | 2022-02-16 | 2024-02-26 | プライムプラネットエナジー&ソリューションズ株式会社 | 蓄電デバイスパック、蓄電デバイスパックの充電方法及び蓄電デバイスパックの充電装置 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03190052A (ja) * | 1989-12-18 | 1991-08-20 | Sanyo Electric Co Ltd | 電池パック |
| JP2004055446A (ja) * | 2002-07-23 | 2004-02-19 | Nissan Motor Co Ltd | モジュール電池 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11111250A (ja) * | 1997-10-06 | 1999-04-23 | Japan Storage Battery Co Ltd | 電 池 |
| JP3832252B2 (ja) * | 2001-02-16 | 2006-10-11 | 三菱化学株式会社 | リチウム二次電池用収容部材及びそれを用いた二次電池パック |
| JP3762737B2 (ja) * | 2002-10-30 | 2006-04-05 | 三洋電機株式会社 | 電池パック |
| JP2004039485A (ja) * | 2002-07-04 | 2004-02-05 | Nissan Motor Co Ltd | モジュール電池 |
| JP2004055441A (ja) * | 2002-07-23 | 2004-02-19 | Nissan Motor Co Ltd | ラミネートフィルム外装電池、電池群、組電池、および組電池モジュール |
-
2004
- 2004-09-13 JP JP2004266059A patent/JP4747539B2/ja not_active Expired - Fee Related
-
2005
- 2005-09-05 WO PCT/JP2005/016256 patent/WO2006030659A1/ja not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03190052A (ja) * | 1989-12-18 | 1991-08-20 | Sanyo Electric Co Ltd | 電池パック |
| JP2004055446A (ja) * | 2002-07-23 | 2004-02-19 | Nissan Motor Co Ltd | モジュール電池 |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1992026A4 (en) * | 2006-03-06 | 2010-04-21 | Lg Chemical Ltd | BATTERY MODULE |
| US9269934B2 (en) | 2006-03-06 | 2016-02-23 | Lg Chem, Ltd. | Battery module |
| US9337455B2 (en) | 2006-03-06 | 2016-05-10 | Lg Chem, Ltd. | Middle or large-sized battery module |
| US9484591B2 (en) | 2006-03-06 | 2016-11-01 | Lg Chem, Ltd. | Voltage sensing member and battery module employed with the same |
| US9620826B2 (en) | 2006-03-06 | 2017-04-11 | Lg Chem, Ltd. | Middle or large-sized battery module |
| EP2073291A2 (en) | 2007-12-18 | 2009-06-24 | BYD Company Limited | Battery Pack |
| EP2073291A3 (en) * | 2007-12-18 | 2010-05-05 | BYD Company Limited | Battery Pack |
| US8178230B2 (en) | 2007-12-18 | 2012-05-15 | Byd Co., Ltd. | Battery pack |
| CN112117401A (zh) * | 2019-06-20 | 2020-12-22 | 南京德朔实业有限公司 | 电动工具及其电池包 |
| EP4056408A4 (en) * | 2019-11-29 | 2023-01-11 | BYD Company Limited | BATTERY PACK AND ELECTRIC VEHICLE |
| EP4145607A4 (en) * | 2020-06-19 | 2024-04-03 | BYD Company Limited | Vehicle and battery pack thereof |
| CN115149200A (zh) * | 2021-03-31 | 2022-10-04 | 丰田自动车株式会社 | 蓄电装置 |
| CN115149173A (zh) * | 2021-03-31 | 2022-10-04 | 丰田自动车株式会社 | 蓄电装置 |
| EP4068451A1 (en) * | 2021-03-31 | 2022-10-05 | Toyota Jidosha Kabushiki Kaisha | Power storage device |
| KR20220136117A (ko) * | 2021-03-31 | 2022-10-07 | 도요타 지도샤(주) | 축전 장치 |
| KR102760300B1 (ko) | 2021-03-31 | 2025-01-24 | 도요타 지도샤(주) | 축전 장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4747539B2 (ja) | 2011-08-17 |
| JP2006080045A (ja) | 2006-03-23 |
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