公开(公告)号：US20240222764A1

公开(公告)日：2024-07-04

申请号：US18604566

申请日：2024-03-14

Applicant: BYD COMPANY LIMITED

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

IPC: H01M50/209 ,  B60K1/04 ,  B60L50/60 ,  B60L50/64 ,  H01M10/052 ,  H01M10/42 ,  H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6551 ,  H01M10/6554 ,  H01M50/103 ,  H01M50/119 ,  H01M50/244 ,  H01M50/249 ,  H01M50/271 ,  H01M50/317 ,  H01M50/342 ,  H01M50/35 ,  H01M50/383 ,  H01M50/531 ,  H01M50/543 ,  B60L58/26

CPC classification number: H01M50/209 ,  B60K1/04 ,  B60L50/64 ,  B60L50/66 ,  H01M10/052 ,  H01M10/425 ,  H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6551 ,  H01M10/6554 ,  H01M50/103 ,  H01M50/119 ,  H01M50/244 ,  H01M50/249 ,  H01M50/271 ,  H01M50/317 ,  H01M50/342 ,  H01M50/3425 ,  H01M50/35 ,  H01M50/383 ,  H01M50/531 ,  H01M50/543 ,  B60K2001/0405 ,  B60K2001/0438 ,  B60L58/26 ,  H01M2010/4271 ,  H01M2220/20

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 sum V1 of the volumes of the plurality of cells and the volume V2 of the battery pack satisfy V1/V2≥255%. 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 cell comprises a cell body, and the length of the cell body is 400-2500 mm.

公开(公告)号：US20240128565A1

公开(公告)日：2024-04-18

申请号：US18398950

申请日：2023-12-28

Applicant: BYD COMPANY LIMITED

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

IPC: H01M50/209 ,  B60K1/04 ,  B60L50/60 ,  B60L50/64 ,  H01M10/052 ,  H01M10/42 ,  H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6551 ,  H01M10/6554 ,  H01M50/103 ,  H01M50/119 ,  H01M50/244 ,  H01M50/249 ,  H01M50/271 ,  H01M50/317 ,  H01M50/342 ,  H01M50/35 ,  H01M50/383 ,  H01M50/531 ,  H01M50/543

CPC classification number: H01M50/209 ,  B60K1/04 ,  B60L50/64 ,  B60L50/66 ,  H01M10/052 ,  H01M10/425 ,  H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6551 ,  H01M10/6554 ,  H01M50/103 ,  H01M50/119 ,  H01M50/244 ,  H01M50/249 ,  H01M50/271 ,  H01M50/317 ,  H01M50/342 ,  H01M50/3425 ,  H01M50/35 ,  H01M50/383 ,  H01M50/531 ,  H01M50/543 ,  B60K2001/0405 ,  B60K2001/0438 ,  B60L58/26 ,  H01M2220/20

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：US20240030534A1

公开(公告)日：2024-01-25

申请号：US18475550

申请日：2023-09-27

Applicant: BYD COMPANY LIMITED

Inventor： Jiajia CHEN ,  Jianglong TANG ,  Qingbo PENG

IPC: H01M50/231 ,  H01M50/211 ,  H01M50/224 ,  H01M50/227 ,  H01M50/588 ,  H01M50/59 ,  B60R16/033 ,  C09D175/04

CPC classification number: H01M50/231 ,  H01M50/211 ,  H01M50/224 ,  H01M50/227 ,  H01M50/588 ,  H01M50/59 ,  B60R16/033 ,  C09D175/04 ,  H01M2220/20

Abstract: The present disclosure provides a battery box, a battery pack with the battery box, and a vehicle. The battery box includes a metal frame. Multiple accommodating cavities for accommodating cells are formed in the metal frame. An inner surface of the accommodating cavity is provided with an insulation coating. A thickness D of the insulation coating meets:




D
=



V
×
A


p
×
I


.





I represents a test current, V represents a test voltage, and p represents a volume resistivity of the insulation coating; D represents a spraying thickness of the insulation coating; and A represents a total spraying area of the insulation coating.

公开(公告)号：US20220126705A1

公开(公告)日：2022-04-28

申请号：US17422124

申请日：2019-06-21

Applicant: BYD COMPANY LIMITED

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

IPC: B60L50/60 ,  B60K1/04 ,  H01M50/209 ,  H01M50/249 ,  H01M50/244 ,  H01M50/543 ,  H01M50/271 ,  H01M50/317 ,  H01M10/42 ,  H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6551

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：US20210249725A1

公开(公告)日：2021-08-12

申请号：US17049732

申请日：2019-06-21

Applicant: BYD COMPANY LIMITED

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

IPC: H01M50/209 ,  B60K1/04 ,  B60L50/64 ,  B60L50/60 ,  H01M50/244 ,  H01M50/249 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6554

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：US20210175572A1

公开(公告)日：2021-06-10

申请号：US17048947

申请日：2019-06-21

Applicant: BYD COMPANY LIMITED

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

IPC: H01M50/209 ,  H01M50/249 ,  H01M50/383 ,  B60K1/04

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.