公开(公告)号：EP3907846A1

公开(公告)日：2021-11-10

申请号：EP19908498.9

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: H02J7/00

Abstract: Provided are a power battery pack and an electric vehicle. The power battery pack is fixed on the electric vehicle, and is configured to provide power for the electric vehicle. The power battery pack includes: a pack body; a plurality of cells, disposed in the pack body and disposed in the pack body; the cell having a length Lo, a width Ho, and a thickness Do, where at least one cell meets: L 0 >H 0 ≥D 0 , a length direction of the cell is arranged along a width direction of a vehicle body of the electric vehicle, and in the width direction of the electric vehicle, a sum of the length Lo of the cell and a size W of the vehicle body of the electric vehicle in the width direction meet: 46%≤L/W≤76%; or at least one cell meets: L 0 >H 0 ≥D 0 , a length direction of the cell is arranged along a length direction of a vehicle body of the electric vehicle, and in the length direction of the electric vehicle, the sum of the length Lo of the cell and a size X of the vehicle body of the electric vehicle in the length direction meet: 40%≤L/W≤76%.

公开(公告)号：EP3907778A1

公开(公告)日：2021-11-10

申请号：EP19909561.3

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, each of the plurality of cells has a first size, and the first size is a maximum value of spacings between pairs of imaginary parallel planes that clamp the cell; at least one cell satisfies 600 mm≤first size≤2500 mm, and is supported by the support member; and a normal direction of two parallel planes corresponding to the first size is a direction Q, a battery placement area is defined in the battery pack, the cell array is located in the battery placement area, and each of the plurality of cells extends from one side of the battery placement area to another side of the battery placement area along the direction Q.

公开(公告)号：EP3907777A1

公开(公告)日：2021-11-10

申请号：EP19909474.9

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 ,  H01M10/613

Abstract: Provided are a power battery pack and an electric vehicle. The power battery pack includes: a pack body, where an accommodating space is defined in the pack body, the pack body is provided therein with at least one widthwise cross beam or lengthwise cross beam, the widthwise cross beam extends along a width direction of the power battery pack, the lengthwise cross beam extends along a length direction of the power battery pack, and the accommodating space is divided into a plurality of accommodating chambers by the at least one widthwise cross beam or lengthwise cross beam; and a plurality of cells, disposed in the pack body and directly arranged in the accommodating chambers, where at least one cell is arranged in each accommodating chamber to form a cell array. The power battery pack according to the embodiments of this application has advantages of high space utilization, large energy density, long battery life, high reliability, low costs, high quality, and the like.

公开(公告)号：EP3907774A1

公开(公告)日：2021-11-10

申请号：EP19908883.2

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 cell, a power battery pack, and an electric vehicle are provided. The cell includes a cell body, and the cell body has a length L, a width H and a thickness D. The length L of the cell body is greater than the width H, the width H of the cell body is greater than the thickness D, the length L of the cell body is greater than 600 mm, and the length L and the width H of the cell body satisfy L/H=4-21.

公开(公告)号：EP3782837A1

公开(公告)日：2021-02-24

申请号：EP19908886.5

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: B60K1/04 ,  H01M2/10

Abstract: A battery pack, a vehicle, and an energy storage device are provided. The battery pack includes: a battery pack housing and a plurality of rectangular cells, the battery pack housing having a first direction and a second direction perpendicular to the first direction; where the battery pack has a dimension greater than or equal to 600 mm along the first direction, and at least one rectangular cell accommodating unit is formed in the battery pack housing; the plurality of rectangular cells are arranged in the rectangular cell accommodating unit along the second direction; the rectangular cell extends along the first direction, and one rectangular cell is disposed in each rectangular cell accommodating unit along the first direction; the rectangular cell has a thickness of D, a length of L, and a height of H; the battery pack has a dimension greater than or equal to L along the first direction; and a length direction of at least one rectangular cell extends from one side of the rectangular cell accommodating unit to the other side of the rectangular cell accommodating unit along the first direction, and meets: L > H, L > D, 600 mm ≤ L ≤ 2500 mm, 23 ≤ L/D ≤ 208.

公开(公告)号：EP3742524A1

公开(公告)日：2020-11-25

申请号：EP19741083.0

申请日：2019-01-10

Applicant: BYD Company Limited

Inventor： LU, Peng ,  JIANG, Luxia ,  WANG, Xinyue ,  YANG, Keli

IPC: H01M2/26 ,  H01M2/30 ,  H01M10/613 ,  H01M10/625 ,  H01M10/647

Abstract: A battery (1), a battery pack (2) and a vehicle (3) are disclosed. The battery (1) includes a housing (10) having a sealed chamber (100), a core (11) packaged in the sealed chamber (100), and a first terminal (12a) and a second terminal (12b) respectively mounted to the housing (10), where the first terminal (12a) is electrically connected to the housing (10), and the second terminal (12b) is insulated from the housing (10). The battery (1) further includes a first tab (13a) and a second tab (13b) respectively led out from the core (11), the first tab (13a) being electrically connected to the housing (10), the first tab (13a) being electrically connected to the first terminal (12a) through the housing (10), and the second tab (13b) being electrically connected to the second terminal (12b).