公开(公告)号：EP4318781A3

公开(公告)日：2024-04-10

申请号：EP23214629.0

申请日：2020-10-29

Applicant: BYD Company Limited

Inventor： SUN, Huajun ,  LU, Zhipei ,  PENG, Qingbo ,  WAN, Long ,  ZHU, Yan

IPC: H01M50/10 ,  H01M50/105 ,  H01M10/625 ,  H01M10/6557 ,  H01M50/207 ,  H01M50/209 ,  H01M50/211 ,  H01M50/224 ,  H01M50/244 ,  H01M50/249 ,  H01M50/30 ,  H01M50/367 ,  B60L50/64 ,  H01M10/613 ,  H01M10/6555 ,  H01M50/242 ,  H01M50/276 ,  H01M50/588 ,  H01M50/593 ,  H01M50/502 ,  B60L58/26

Abstract: The present disclosure provides a battery pack and an electric vehicle. The battery pack includes a sealed housing, and at least one housing structural beam and multiple electrode core strings electrically connected to one another located in the housing. The housing includes a housing body, including a top plate and a bottom plate arranged opposite to each other in a first direction. The structural beam is located between the top plate and the bottom plate, the at least one structural beam divides the interior of the housing into multiple accommodating cavities, the at least one structural beam is connected to the top plate and the bottom plate, and at least one electrode core string is provided in at least one accommodating cavity An atmospheric pressure in the accommodating cavity is lower than an atmospheric pressure outside the housing. A mounting portion is provided on the housing, and the mounting portion is configured to be connected and fixed to an external load. The electrode core string includes multiple electrode core assemblies sequentially disposed in a second direction and connected in series. The electrode core assembly is encapsulated in an encapsulation film. A length direction of the electrode core string extends in the second direction

公开(公告)号：EP4311008A3

公开(公告)日：2024-04-10

申请号：EP23214631.6

申请日：2020-10-29

Applicant: BYD Company Limited

Inventor： SUN, Huajun ,  LU, Zhipei ,  PENG, Qingbo ,  WAN, Long ,  ZHU, Yan

IPC: H01M50/10 ,  H01M50/105 ,  H01M10/625 ,  H01M10/6557 ,  H01M50/207 ,  H01M50/209 ,  H01M50/211 ,  H01M50/224 ,  H01M50/244 ,  H01M50/249 ,  H01M50/30 ,  H01M50/367 ,  B60L50/64 ,  H01M10/613 ,  H01M10/6555 ,  H01M50/242 ,  H01M50/276 ,  H01M50/588 ,  H01M50/593 ,  H01M50/502 ,  B60L58/26

Abstract: The present disclosure provides a battery pack and an electric vehicle. The battery pack includes a sealed housing, and at least one housing structural beam and multiple electrode core strings electrically connected to one another located in the housing. The housing includes a housing body, including a top plate and a bottom plate arranged opposite to each other in a first direction. The structural beam is located between the top plate and the bottom plate, the at least one structural beam divides the interior of the housing into multiple accommodating cavities, the at least one structural beam is connected to the top plate and the bottom plate, and at least one electrode core string is provided in at least one accommodating cavity An atmospheric pressure in the accommodating cavity is lower than an atmospheric pressure outside the housing. A mounting portion is provided on the housing, and the mounting portion is configured to be connected and fixed to an external load. The electrode core string includes multiple electrode core assemblies sequentially disposed in a second direction and connected in series The electrode core assembly is encapsulated in an encapsulation film. A length direction of the electrode core string extends in the second direction

公开(公告)号：EP4328070A2

公开(公告)日：2024-02-28

申请号：EP23214634.0

申请日：2020-10-29

Applicant: BYD Company Limited

Inventor： SUN, Huajun ,  LU, Zhipei ,  PENG, Qingbo ,  WAN, Long ,  ZHU, Yan

IPC: B60L50/64

Abstract: The present disclosure provides a battery pack and an electric vehicle. The battery pack includes a housing, at least one structural beam located in the housing, and multiple electrode core strings electrically connected to one another located in the housing. The housing includes a housing body including a top plate and a bottom plate arranged opposite to each other in a first direction. The at least one structural beam is located between the top plate and the bottom plate, the at least one structural beam is connected to the top plate and the bottom plate, the at least one structural beam divides the interior of the housing into multiple accommodating cavities, and at least one electrode core string is provided in at least one accommodating cavity. A mounting portion is provided on the housing, and the mounting portion is configured to be connected and fixed to an external load. The electrode core string includes multiple electrode core assemblies sequentially disposed in a second direction and connected in series. The multiple electrode core assemblies are encapsulated in an encapsulation film. A length direction of the electrode core string extends in the second direction.

公开(公告)号：EP4300678A1

公开(公告)日：2024-01-03

申请号：EP22831743.4

申请日：2022-06-17

Applicant: BYD Company Limited

Inventor： FANG, Cheng ,  E, Congji ,  PENG, Qingbo

IPC: H01M50/204

Abstract: The present disclosure provides a battery pack (100) and a vehicle. The battery pack (100) includes: an enclosure (10); a cell arranged in the enclosure (10); and a distribution box (30) arranged in the enclosure (10). The enclosure (10) includes a housing (11) and a cover body (12). A side of the housing (11) is provided with a picking and placing opening (101) for picking and placing the cell. The cover body (12) is arranged on the side of the housing (11) to close the picking and placing opening (101). The distribution box (30) is located in a position close to the picking and placing opening (101) in the housing (11). A metal plate (31) of the distribution box (30), the housing (11), and the cover body (12) all clad the cell.

公开(公告)号：EP3180811B1

公开(公告)日：2018-01-31

申请号：EP15847010.4

申请日：2015-06-18

Applicant: BYD Company Limited

Inventor： ZHANG, Xuefeng ,  ZHU, Yan ,  PENG, Qingbo ,  LU, Jia ,  LIU, Wei

IPC: H01M2/10

CPC classification number: H01M2/1077

Abstract: A battery accommodating device and a battery module including the same are provided. The battery accommodating device includes: an outer insertion-connected assembly comprising outer components; an inner insertion-connected assembly comprising inner components and disposed between the outer components; and a chamber configured to accommodate a battery and defined between the inner components and outer components. Each of the outer components is fitted with an inner component via a sliding rail structure.

公开(公告)号：EP3063806B1

公开(公告)日：2017-11-08

申请号：EP14877223.9

申请日：2014-12-31

Applicant: BYD Company Limited

Inventor： PENG, Qingbo ,  LU, Jia ,  ZHANG, Xuefeng ,  LIU, Wei ,  HUANG, Yan ,  ZHU, Yan ,  LU, Zhipei ,  ZHU, Jianhua

IPC: H01M2/10 ,  H01M2/20 ,  H01M10/42

CPC classification number: H01M10/4207 ,  H01M2/1077 ,  H01M2/206 ,  H01M2220/20

公开(公告)号：EP3063822A1

公开(公告)日：2016-09-07

申请号：EP14876631.4

申请日：2014-12-29

Applicant: BYD Company Limited

Inventor： LU, Jia ,  PENG, Qingbo ,  ZHU, Yan ,  ZHANG, Xuefeng ,  LIU, Wei ,  HUANG, Yan ,  LU, Zhipei ,  ZHU, Jianhua

IPC: H01M10/48 ,  H01M2/20

CPC classification number: H01M2/206 ,  B60L11/1851 ,  B60L11/1879 ,  H01M2/22 ,  H01M2/305 ,  H01M10/425 ,  H01M10/482 ,  H01M2220/20 ,  Y02T10/7005 ,  Y02T10/705

Abstract: A signal collection and power connection assembly of a power battery module, a power battery module and a vehicle are provided. The assembly includes a substrate, a power connection member fixed on the substrate, a power connection line formed by a first sheet-like conductor disposed on the substrate, a signal collection line formed by a second sheet-like conductor disposed on the substrate, and a signal collection member disposed on the substrate and coupled with the signal collection line. A terminal of the power connection line is coupled with the power connection member, and a terminal of the signal collection line is coupled with the power connection member.

Abstract translation: 提供了动力电池模块，动力电池模块和车辆的信号采集和电力连接组件。 该组件包括基板，固定在基板上的电源连接部件，由设置在基板上的第一片状导体形成的电源连接线，由设置在基板上的第二片状导体形成的信号收集线，以及 信号收集构件，设置在基板上并与信号采集线相连。 电源连接线的端子与电源连接构件耦合，并且信号采集线的端子与电力连接构件耦合。

公开(公告)号：EP3063804A1

公开(公告)日：2016-09-07

申请号：EP14876582.9

申请日：2014-12-29

Applicant: BYD Company Limited

Inventor： ZHU, Yan ,  PENG, Qingbo ,  LU, Jia ,  ZHANG, Xuefeng ,  LIU, Wei ,  HUANG, Yan ,  LU, Zhipei ,  ZHU, Jianhua

IPC: H01M2/10 ,  H01M2/24

CPC classification number: H01M2/1077 ,  H01M2/202 ,  H01M2/206 ,  H01M10/425 ,  H01M10/48 ,  H01M10/482 ,  H01M2010/4271 ,  H01M2010/4278 ,  H01M2220/20

Abstract: A power battery module (1000) is provided. The power battery module (1000) includes a battery accommodating assembly (100) having a plurality of separators (10), the separator (10) comprising: a separator body (11); a left cover (12); and a right cover (13), in which adjacent separators (10) are detachably connected with each other; a battery group; a power connection member (430), a line snap-fit (200), a power connection line and a signal collection assembly (400).

Abstract translation: 提供动力电池模块（1000）。 动力电池模块（1000）包括具有多个分离器（10）的电池容纳组件（100），分离器（10）包括：分离器主体（11）;分离器主体 一个左盖（12）; 和右盖（13），其中相邻的分离器（10）可拆卸地彼此连接; 一个电池组; 电源连接部件430，线卡扣部件200，电源连接线和信号采集组件400。

公开(公告)号：EP4535535A1

公开(公告)日：2025-04-09

申请号：EP23815138.5

申请日：2023-05-29

Applicant: BYD Company Limited

Inventor： WAN, Long ,  PENG, Qingbo ,  TAN, Zhijia ,  LEI, Song ,  YANG, Shenglin

IPC: H01M50/244 ,  H01M50/242 ,  H01M50/231 ,  H01M50/218 ,  H01M50/249

Abstract: A battery protection bottom plate, a composite protection structure for a battery pack, and a vehicle. The battery protection bottom plate comprises an upper fiber-reinforced resin layer, a metal plate and a lower fib er-reinforced resin layer, the metal plate being located between the upper fiber-reinforced resin layer and the lower fiber-reinforced resin layer. The upper fiber-reinforced resin layer and the lower fiber-reinforced resin layer meet the following conditions: 0.4≤d 2 /d 1 ≤2, wherein d 1 is the thickness of the lower fiber-reinforced resin layer measured in mm, and d 2 is the thickness of the upper fiber-reinforced resin layer measured in mm.

公开(公告)号：EP4535531A1

公开(公告)日：2025-04-09

申请号：EP23815139.3

申请日：2023-05-29

Applicant: BYD Company Limited

Inventor： WAN, Long ,  LU, Zhipei ,  PENG, Qingbo ,  ZHU, Yan ,  TAN, Zhijia

IPC: H01M50/231 ,  H01M50/224 ,  H01M50/233 ,  H01M50/242 ,  H01M50/249

Abstract: A battery pack composite protection structure and a vehicle. The battery pack composite protection structure comprises a battery pack and a battery protection bottom plate, the battery protection bottom plate comprising a metal plate; the battery protection bottom plate is located below the battery pack, a buffer zone being formed between the battery pack and the battery protection bottom plate; the buffer zone and the metal plate satisfy the following conditions: (I), d is the thickness of the metal plate in mm; σ is the tensile strength of the metal plate in MPa; ε is the elongation at break of the metal plate; and h is the height of the buffer zone, in mm.