公开(公告)号：EP4156388A1

公开(公告)日：2023-03-29

申请号：EP20936964.4

申请日：2020-11-11

Applicant: BYD Company Limited

Inventor： WANG, Xiaopeng ,  PENG, Qingbo ,  LU, Zhipei ,  ZHU, Jianhua ,  ZHU, Yan

IPC: H01M50/112

Abstract: The present disclosure provides a battery pack housing, a battery pack, and an electric vehicle. The housing includes a housing body, where the housing body includes multiple connected sub-housings, and at least one sub-housing is provided with at least one reinforcing plate therein. The sub-housing includes a top plate and a bottom plate arranged opposite to each other in a first direction, where the first direction is a height direction of the housing. The reinforcing plate is located between the top plate and the bottom plate, the at least one reinforcing plate is connected to the top plate and the bottom plate, and the at least one reinforcing plate divides the interior of a corresponding sub-housing into multiple accommodating cavities. A mounting portion is provided on the housing, which is configured to be connected and fixed to an external load. The battery pack housing according to the present disclosure has high structural strength, high space utilization rate, simple structure, high assembly efficiency, and high versatility.

公开(公告)号：EP4142027A1

公开(公告)日：2023-03-01

申请号：EP20932320.3

申请日：2020-10-29

Applicant: BYD Company Limited

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

IPC: H01M50/112

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：EP4050689A1

公开(公告)日：2022-08-31

申请号：EP20890373.2

申请日：2020-11-19

Applicant: BYD Company Limited

Inventor： SUN, Huajun ,  LU, Zhipei ,  ZHU, Yan ,  HU, Shichao

IPC: H01M10/04

Abstract: The present disclosure provides a battery, including: a housing (10); a plurality of accommodating cavities (60) arranged in the housing; a partition plate (20) for separating two adjacent accommodating cavities (60); an electrode core assembly (30), received in one of the accommodating cavities (60), the electrode core assembly (30) including at least one electrode core, and a plurality of electrode core assemblies (30) being sequentially arranged in a first direction and connected in series; a plurality of sampling wires, electrically connected to the plurality of electrode core assemblies (30) correspondingly; and a wire harness channel, receiving the plurality of sampling wires. A battery module, a battery pack, and an electric vehicle are further provided.

公开(公告)号：EP3063804B1

公开(公告)日：2017-10-25

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 ,  H01M2/20 ,  H01M10/48 ,  H01M10/42

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 includes a battery accommodating assembly having a plurality of separators, the separator comprising: a separator body; a left cover; and a right cover, in which adjacent separators are detachably connected with each other; a battery group; a power connection member, a line snap-fit, a power connection line and a signal collection assembly.

公开(公告)号：EP3063805A1

公开(公告)日：2016-09-07

申请号：EP14877002.7

申请日：2014-12-31

Applicant: BYD Company Limited

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

IPC: H01M2/10

CPC classification number: H01M2/1077 ,  H01M2/1094 ,  H01M2/206 ,  H01M2220/20

Abstract: A battery accommodating assembly (100) and a power battery module (100) are provided. The battery accommodating assembly (100) includes a plurality of separators (10). Adjacent separators (10) are detachably connected with each other via a snapping structure (60) and define a battery chamber.

Abstract translation: 提供电池容纳组件（100）和动力电池模块（100）。 电池容纳组件（100）包括多个分离器（10）。 相邻的分离器（10）通过卡扣结构（60）可拆卸地相互连接并限定电池室。

公开(公告)号：EP4546548A1

公开(公告)日：2025-04-30

申请号：EP23825789.3

申请日：2023-02-17

Applicant: BYD Company Limited

Inventor： SHU, Yuanmao ,  WANG, Xiao ,  YOU, Yueqiu ,  ZHENG, Weixin ,  LU, Zhipei

IPC: H01M50/503 ,  H01M50/209 ,  H01M10/613

Abstract: Provided in the present disclosure is a battery pack, comprising: a plurality of battery cells, each of which comprises a shell, a battery core, and a plurality of terminal posts, wherein an accommodating space is defined inside the shell, the cell is arranged in the accommodating space, the shell is at least provided with a first surface and a second surface, and the terminal posts are arranged on the cell and extend out of the shell from the first surface; an electrical connecting member, which is arranged opposite each of two adjacent first surfaces and is electrically connected to each of two adjacent terminal posts, so as to conduct two adjacent battery cells; and a heat transfer member, which can transfer heat from the electrical connecting member to the second surface.

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.

公开(公告)号：EP4369495A2

公开(公告)日：2024-05-15

申请号：EP24167373.0

申请日：2019-06-21

Applicant: BYD Company Limited

Inventor： HE, Long ,  SUN, Huajun ,  JIANG, Wenfeng ,  LU, Zhipei ,  ZHENG, Weixin ,  TANG, Jianglong ,  ZHU, Yan ,  WANG, Xinyue ,  HE, Kefeng

IPC: H01M50/249

CPC classification number: B60K1/04 ,  B60K2001/043820130101 ,  H01M50/249 ,  H01M2220/2020130101 ,  H01M50/131 ,  H01M50/209 ,  H01M50/103 ,  H01M50/367 ,  H01M10/6554 ,  H01M10/6556 ,  H01M10/6567 ,  H01M10/6568 ,  H01M10/6569 ,  H01M10/625 ,  H01M50/119 ,  Y02E60/10

Abstract: A cell for a battery pack, a battery pack and an electric vehicle are provided. The cell for a battery pack comprising: a cell body (110) having a length L, a width H, a thickness D, a surface area S and a volume V, the length L of the cell body being greater than the width H, and the width H of the cell body being greater than the thickness D, wherein the length L and the width H satisfy: L/H=4-21; and wherein the surface area S of the cell body (110) and the energy E of the cell body (110) satisfy: S/E≤1000 mm2 Wh-1, and the volume V of the cell body (110) and the energy E of the cell body (110) satisfy: V/E≤2000 mm3·Wh-1.

公开(公告)号：EP4369493A2

公开(公告)日：2024-05-15

申请号：EP24167370.6

申请日：2019-06-21

Applicant: BYD Company Limited

Inventor： HE, Long ,  SUN, Huajun ,  JIANG, Wenfeng ,  LU, Zhipei ,  ZHENG, Weixin ,  TANG, Jianglong ,  ZHU, Yan ,  WANG, Xinyue ,  HE, Kefeng

IPC: H01M50/249

CPC classification number: B60K1/04 ,  B60K2001/043820130101 ,  H01M50/249 ,  H01M2220/2020130101 ,  H01M50/131 ,  H01M50/209 ,  H01M50/103 ,  H01M50/367 ,  H01M10/6554 ,  H01M10/6556 ,  H01M10/6567 ,  H01M10/6568 ,  H01M10/6569 ,  H01M10/625 ,  H01M50/119 ,  Y02E60/10

Abstract: A battery pack and an electric vehicle are provided. The battery pack includes a housing (200); a plurality of cells, provided in the housing; wherein the sum V1 of the volumes of the plurality of cells and the volume V2 of the battery pack satisfy V1/V2≥55%; and the battery pack has a first direction and a second direction perpendicular to each other; a length direction of the cell is arranged along the first direction of the battery pack, and the plurality of cells are arranged along the second direction of the battery pack; wherein the housing defines a plurality of accommodating spaces, the plurality of accommodating spaces comprise at least one accommodating space along the first direction, and each accommodating space of the housing accommodates only one cell along the first direction; and the cell comprises a cell body, and the length of the cell body is 400-1500 mm.

公开(公告)号：EP4369492A2

公开(公告)日：2024-05-15

申请号：EP24167369.8

申请日：2019-06-21

Applicant: BYD Company Limited

Inventor： HE, Long ,  SUN, Huajun ,  JIANG, Wenfeng ,  LU, Zhipei ,  ZHENG, Weixin ,  TANG, Jianglong ,  ZHU, Yan ,  WANG, Xinyue ,  HE, Kefeng

IPC: H01M50/249

CPC classification number: B60K1/04 ,  B60K2001/043820130101 ,  H01M50/249 ,  H01M2220/2020130101 ,  H01M50/131 ,  H01M50/209 ,  H01M50/103 ,  H01M50/367 ,  H01M10/6554 ,  H01M10/6556 ,  H01M10/6567 ,  H01M10/6568 ,  H01M10/6569 ,  H01M10/625 ,  H01M50/119 ,  Y02E60/10

Abstract: A battery pack and an electric vehicle are provided. The battery pack includes a housing; and a plurality of cells, provided in the housing; wherein the battery pack has a first direction and a second direction perpendicular to each other; a length direction of the cell is arranged along the first direction of the battery pack, and the plurality of cells are arranged along the second direction of the battery pack; the housing accommodates two cells along the first direction; and the cell comprises a cell body, and the length of the cell body is 400-1500 mm.