公开(公告)号：EP3783688A1

公开(公告)日：2021-02-24

申请号：EP19909473.1

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: H01M2/10

Abstract: A battery pack, a vehicle, and an energy storage device are provided. The battery pack includes a cell array and a support member, where the cell array includes a plurality of cells, the cell has a first dimension, and the first dimension is a maximum spacing between two imaginary parallel planes sandwiching the cell; and at least one of the cells 600 mm≤first dimension≤2500 mm the at least one cell includes a casing and a core located inside the casing, a supporting region is formed on the casing, and the cell is connected to the support member through the supporting region and is supported by the support member. The support member is connected to the supporting region to support the cell.

公开(公告)号：EP3648219A1

公开(公告)日：2020-05-06

申请号：EP18823776.2

申请日：2018-06-25

Applicant: BYD Company Limited

Inventor： SHEN, Xi ,  LU, Zhipei ,  ZHENG, Weixin ,  LU, Jia ,  TAN, Jing ,  ZHU, Yan ,  ZHU, Jianhua

IPC: H01M10/04 ,  H01M2/10 ,  H01M2/14

Abstract: A battery module is provided, including a plurality of battery units stacked along a preset direction and a top panel, where the battery unit includes a battery and an insulation film, the battery includes a battery housing, a battery core disposed inside the battery housing, and a battery cover plate disposed on an end portion of the battery housing; the insulation film is coated at least on a side face of the battery housing, the insulation films of every two adjacent battery units are bonded to each other in the preset direction to connect the plurality of battery units together; and the insulation film includes an extension portion, where the extension portion is formed by a top portion of the insulation film which protrudes from the battery cover plate and extends upward, the top panel is disposed on an upper side of the battery unit, a groove is provided on a lower side of the top panel, and at least part of the extension portion is accommodated in the groove. The present disclosure realizes weight reduction of the battery module without decreasing the strength of the battery module.

公开(公告)号：EP3508368A1

公开(公告)日：2019-07-10

申请号：EP17845203.3

申请日：2017-08-14

Applicant: BYD Company Limited

Inventor： SHEN, Xi ,  LU, Zhipei ,  LU, Jia ,  ZHENG, Weixin ,  ZHU, Yan ,  ZHU, Jianhua

IPC: B60K1/04 ,  B62D25/20 ,  H01M2/10

Abstract: The present disclosure provides an automobile tray component, including a tray base plate and mounting beams arranged around the tray base plate, where the tray base plate includes an upper plate body, a intermediate plate body, and a lower plate body, a cooling cavity is arranged between the upper plate body and the intermediate plate body, and a cushioning cavity is arranged between the intermediate plate body and the lower plate body. The automobile tray component provided in the present disclosure has good performance of heat dissipation while being capable of providing a cushioning effect when an impact occurs, occupies little space and has high safety performance.

公开(公告)号：EP3063805B1

公开(公告)日：2017-09-06

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

公开(公告)号：EP3063806A1

公开(公告)日：2016-09-07

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

CPC classification number: H01M10/4207 ,  H01M2/1077 ,  H01M2/206 ,  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; and a signal collection and power connection assembly (400) mounted on the separator (10) and comprising: a substrate (401); a power connection member (407) fixed to the substrate (401); a power connection line (4071) disposed on the substrate (401) and defines a first end connected with the power connection member (407); a signal collection line (4021) disposed on the substrate (401) and defines a first end connected with the power connection member (407); and a signal collection member (402) disposed on the substrate (401) and connected with the signal collection line (4021).

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; 以及安装在所述分离器（10）上的信号收集和动力连接组件（400），所述信号收集和动力连接组件（400）包括：衬底（401） 固定在基板（401）上的电源连接部件（407）; 电源连接线（4071），设置在所述基板（401）上并限定与所述电源连接部件（407）连接的第一端; 信号采集线路，设置在所述基板上，并限定与所述电源连接件连接的第一端; 以及设置在基板（401）上并与信号采集线路（4021）连接的信号采集构件（402）。

公开(公告)号：EP4329056A3

公开(公告)日：2025-05-21

申请号：EP23220823.1

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: H01M50/209 ,  H01M50/249

Abstract: The present invention basically relates to a power battery pack, configured to provide power for an electric vehicle and comprising: a pack body; a plurality of cells, disposed in the pack body, the cell having a length L 0 , a width H 0 , and a thickness D 0 , wherein L 0 >H 0 ≥D 0 ; when the power battery pack is placed on the electric vehicle, a length direction of the cell extends along a width direction or a length direction of the electric vehicle; when the length direction of the cell extends along the width direction of the electric vehicle, the length L 0 of the cell and a size W of a vehicle body of the electric vehicle in the width direction meet: 46%≤L 0 /W≤76%; or when the length direction of the cell extends along the length direction of the electric vehicle, the length L 0 of the cell and a size X of the vehicle body of the electric vehicle in the length direction meet: 40%≤L 0 /X≤76%, at least one of the cells, comprising a battery body, the battery body having a length L, a width H, a thickness D, and a volume V, the length L of the battery body being greater than the width H, and the width H of the battery body being greater than the thickness D, wherein the battery body meets: 400mm≤L≤2500mm and L/V= 0.0005mm-2 to 0.002mm-2.

公开(公告)号：EP4395028A1

公开(公告)日：2024-07-03

申请号：EP22900331.4

申请日：2022-11-23

Applicant: BYD Company Limited

Inventor： SHU, Yuanmao ,  WU, Yanfeng ,  WANG, Xiao ,  ZHENG, Weixin ,  LU, Zhipei

IPC: H01M50/213 ,  H01M50/317 ,  H01M50/503 ,  H01M10/613 ,  H01M50/249 ,  H01M10/625 ,  H01M10/6554 ,  H01M10/6556

CPC classification number: Y02E60/10 ,  H01M50/213 ,  H01M50/249 ,  H01M10/6554 ,  H01M10/625 ,  H01M50/503 ,  H01M10/613 ,  H01M50/317 ,  H01M10/6568 ,  H01M10/6556

Abstract: A battery housing, a battery pack, and a vehicle are provided. The battery housing includes: a tray, at least one module transverse beam, and a liquid cooling plate. A first channel is formed in the tray, and an explosion-proof valve in communication with the first channel is arranged on the tray. The module transverse beam is arranged in the tray. The module transverse beam includes an accommodating portion, at least a part of a bottom of the accommodating portion is depressed downward to form a groove that can accommodate gas, and an opening is arranged at at least one end that is of the groove and that is along a length direction of the module transverse beam. The liquid cooling plate is hermetically connected to an outside of a bottom of the module transverse beam, at least one connection channel is formed between the liquid cooling plate and the module transverse beam, and the opening is in communication with the first channel through the connection channel.

公开(公告)号：EP4369496A2

公开(公告)日：2024-05-15

申请号：EP24167374.8

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 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, and satisfy: L/H=4−21,S/V=0.1mm−1−0.35mm−1,D/V=0.0000065mm−2−0.00002mm−2.

公开(公告)号：EP4369491A2

公开(公告)日：2024-05-15

申请号：EP24167368.0

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 battery pack and an electric vehicle are provided. The battery pack includes a housing (200) comprising a vehicle tray (210) that is fitted and connected to a vehicle body; or a housing being formed on a vehicle body; and 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%. 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 only one cell along the first direction; and the cell comprises a cell body, and the length of the cell body is 400-2500 mm.

公开(公告)号：EP4328070A3

公开(公告)日：2024-05-01

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: H01M50/112 ,  H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6557 ,  H01M50/10 ,  H01M50/204 ,  H01M50/207 ,  H01M50/209 ,  H01M50/211 ,  H01M50/224 ,  H01M50/242 ,  H01M50/249 ,  H01M50/291 ,  H01M50/358 ,  H01M50/367 ,  B60L50/64

CPC classification number: Y02E60/10 ,  Y02T10/70 ,  B60L50/64 ,  H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M50/10 ,  H01M50/204 ,  H01M50/211 ,  H01M50/224 ,  H01M50/242 ,  H01M50/249 ,  H01M50/291 ,  H01M50/358 ,  H01M10/6557 ,  H01M50/207 ,  H01M50/209 ,  H01M50/367

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.