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：EP4109651A1

公开(公告)日：2022-12-28

申请号：EP21757406.0

申请日：2021-02-04

Applicant: BYD Company Limited

Inventor： HU, Shichao ,  PENG, Qingbo ,  ZHU, Yan

IPC: H01M50/209 ,  H01M50/51

Abstract: A cell (100), a battery module (300), a battery pack (200), and an electric vehicle (1000) are provided. The cell (100) includes a metal housing (11) and at least one electrode core assembly array (14) encapsulated inside the metal housing (11). The electrode core assembly array (14) includes N rows and M columns of electrode core assemblies (12), and the electrode core assembly (12) includes an encapsulation film and at least one electrode core encapsulated inside the encapsulation film. In a length direction of the cell (100), the electrode core assemblies (12) are arranged in rows and each row includes M electrode core assemblies (12). In a thickness or height direction of the cell (100), the electrode core assemblies (12) are arranged in columns and each column includes N electrode core assemblies (12). The N electrode core assemblies (12) in each column are connected in series to form an electrode core assembly string (13). The M electrode core assembly strings (13) are connected in series. M and N are integers greater than 1. An air pressure between the metal housing (11) and the encapsulation film is lower than an air pressure outside the metal housing (11).

公开(公告)号：EP3360195A1

公开(公告)日：2018-08-15

申请号：EP16867942.1

申请日：2016-11-21

Applicant: BYD Company Limited

Inventor： LIU, Desheng ,  PENG, Qingbo ,  ZHENG, Weixin ,  ZHU, Jianhua ,  ZHU, Yan

IPC: H01M10/613

CPC classification number: H01M10/613 ,  B60L11/1874 ,  B60L11/1879 ,  B60L2240/549 ,  H01M2/1077 ,  H01M10/625 ,  H01M10/6552 ,  H01M10/6554 ,  H01M10/6556 ,  H01M10/6567 ,  H01M2220/20 ,  Y02T10/7005 ,  Y02T10/705 ,  Y02T90/16

Abstract: A power battery pack and an electrical vehicle including the same are provided. The power battery pack includes: a tray; a plurality of battery modules disposed in the tray, and including a first battery module disposed on the tray and a second battery module stacked on the first battery module; a second module cooling plate disposed outside of the second battery module, and including a first bottom plate and a first side plate; and a first side heat-conducting plate disposed at an outer side of the first side plate and heat-conductively connected therewith, wherein both the first bottom plate and the first side plate have a heat pipe disposed therein respectively, the heat pipes of the first bottom plate and the first side plate are in communication with each other; and the first side heat-conducting plate has a heat pipe disposed therein and heat-conductively connected to the tray.

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：EP4535534A1

公开(公告)日：2025-04-09

申请号：EP23815131.0

申请日：2023-05-29

Applicant: BYD Company Limited

Inventor： WAN, Long ,  LU, Zhipei ,  PENG, Qingbo ,  TAN, Zhijia ,  LI, Jianqiang

IPC: H01M50/244 ,  H01M50/24 ,  H01M50/231

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, a fiber reinforced resin frame, and a lower fiber reinforced resin layer; the metal plate and the fiber reinforced resin frame are located between the upper fiber reinforced resin layer and the lower fiber reinforced resin layer; the metal plate is located inside the fiber reinforced resin frame; the top surface of the fiber reinforced resin frame is integrally connected to the upper fiber reinforced resin layer; the bottom surface of the fiber reinforced resin frame is integrally connected to the lower fiber reinforced resin layer.

公开(公告)号：EP4439853A1

公开(公告)日：2024-10-02

申请号：EP22929658.7

申请日：2022-12-26

Applicant: BYD Company Limited

Inventor： CHEN, Weijia ,  LU, Peng ,  WAN, Long ,  PENG, Qingbo ,  ZHU, Liequn

IPC: H01M50/569

CPC classification number: Y02E60/10 ,  H01M50/249 ,  H01M50/519 ,  H01M50/284 ,  H01M50/503 ,  H01M50/569

Abstract: A battery cell assembly, a battery pack, and a vehicle are provided. The battery cell assembly includes at least two battery cells, a battery cell bracket, a flexible circuit board, and a connecting sheet. The at least two battery cells are disposed in a butt joint mode along the length direction of the battery cells. The battery cell bracket is connected at a junction position between adjacent battery cells. The flexible circuit board is disposed on the top surface of the battery cell. The connecting sheet is fixed on the battery cell bracket, the connecting sheet is connected to tabs of the battery cells and the flexible circuit board, the connecting sheet has a sampling section, and the sampling section is located on the top surfaces of the battery cells and is configured to be connected to an external sampling device to sample the battery cells.

公开(公告)号：EP4329081A3

公开(公告)日：2024-04-10

申请号：EP23214628.2

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：EP4328073A2

公开(公告)日：2024-02-28

申请号：EP23214639.9

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.