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.

公开(公告)号：US20240347843A1

公开(公告)日：2024-10-17

申请号：US18755263

申请日：2024-06-26

Applicant: BYD COMPANY LIMITED

Inventor： Qi WANG ,  Jianglong TANG ,  Zhipei LU ,  Jing TIAN ,  Fuxing YANG

IPC: H01M50/262 ,  H01M50/22 ,  H01M50/242 ,  H01M50/249 ,  H01M50/271

CPC classification number: H01M50/262 ,  H01M50/22 ,  H01M50/242 ,  H01M50/249 ,  H01M50/271 ,  H01M2220/20

Abstract: A tray assembly includes a bottom plate that includes a main body portion and a raised edge portion, an expansion beam, and a first sealing member. The main body portion defines an accommodating cavity configured to accommodate a battery, and the raised edge portion is located on a peripheral of the main body portion and around the main body portion. The expansion beam is disposed on a first side of the raised edge portion and is configured to abut with the battery. The first sealing member includes a first portion disposed between the expansion beam and the raised edge portion.

公开(公告)号：US20240347831A1

公开(公告)日：2024-10-17

申请号：US18757915

申请日：2024-06-28

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 ,  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 cell for use in a power battery pack includes a cell body having a length L, a width H, a thickness D, and a volume V, wherein the length L is greater than the width H and the width H is greater than the thickness D. The cell body dimensions meet the following parameters: 600 mm≤L≤2500 mm and 0.0000065 mm−2≤D/V≤0.00002 mm−2.

公开(公告)号：US20240347828A1

公开(公告)日：2024-10-17

申请号：US18755287

申请日：2024-06-26

Applicant: BYD COMPANY LIMITED

Inventor： Qi WANG ,  Jianglong TANG ,  Zhipei LU ,  Ning YI ,  Jianqiang LI

IPC: H01M50/202 ,  B60R16/033 ,  H01M50/242 ,  H01M50/271

CPC classification number: H01M50/202 ,  B60R16/033 ,  H01M50/242 ,  H01M50/271 ,  H01M2220/20

Abstract: A side beam for a battery tray is provided. The battery tray has an accommodating groove for accommodating a battery core. The side beam includes a first body and a second body. The first body includes a main portion and a supporting portion, and the supporting portion is connected to the main portion and is configured to support the battery core. The second body is fixed to the first body. The second body and the first body are separated workpieces. At least a part of the second body is located on a side of the supporting portion away from the accommodating groove.

公开(公告)号：US20240264233A1

公开(公告)日：2024-08-08

申请号：US18639461

申请日：2024-04-18

Applicant: BYD COMPANY LIMITED

Inventor： Zhipei LU ,  Linwang DENG ,  Chengzhi WANG ,  Zeru TANG ,  Yantao LIU ,  Bojun XIONG ,  Xianyong WU ,  Congji E

IPC: G01R31/364 ,  B60R16/023 ,  H01M10/42

CPC classification number: G01R31/364 ,  B60R16/023 ,  H01M10/425 ,  H01M2010/4271 ,  H01M2220/20

Abstract: The present disclosure relates to the technical field of batteries, and provides a sampling device, a battery management system, and a vehicle. The sampling device includes multiple core function regions, an auxiliary function region, and a terminal connector. The multiple core function regions are configured to process information of a battery. The auxiliary function region has wiring arranged therein, and is configured to transmit a signal corresponding to the information. The multiple core function regions are cascaded through the wiring.

公开(公告)号：US20240222760A1

公开(公告)日：2024-07-04

申请号：US18604546

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 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：US20240021861A1

公开(公告)日：2024-01-18

申请号：US18475769

申请日：2023-09-27

Applicant: BYD COMPANY LIMITED

Inventor： Peng LU ,  Qingbo PENG ,  Zhipei LU

IPC: H01M10/04 ,  H01M50/233 ,  H01M50/211

CPC classification number: H01M10/049 ,  H01M50/233 ,  H01M50/211 ,  H01M2220/20

Abstract: Provided are a battery pack using a method for assembling a battery pack and a vehicle. The battery pack includes a box and battery modules. The box is provided with cavities inside. The battery module includes foam and multiple cells. The foam is arranged between adjacent cells. The method for assembling a battery pack includes the following steps: the battery module is loaded into an insulating bag; the insulating bag is vacuumized so that the foam is compressed to reduce the volume of the battery module; and after the battery module of the reduced volume is inserted into the cavity, a vacuum state is released and positive and negative electrodes of the battery module are exposed.

公开(公告)号：US20230352783A1

公开(公告)日：2023-11-02

申请号：US18348698

申请日：2023-07-07

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

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：US20230023909A1

公开(公告)日：2023-01-26

申请号：US17780892

申请日：2020-10-22

Applicant: BYD COMPANY LIMITED

Inventor： Long HE ,  Huajun SUN ,  Zhipei LU ,  Long WAN ,  Yan ZHU

IPC: H01M50/209 ,  H01M50/236 ,  H01M50/244 ,  H01M50/249 ,  H01M50/26

Abstract: A battery pack and an electric vehicle are provided. The battery pack includes a cell array and two first reinforcing plates. The cell array includes a number of cells. Each of the cells is defined with a length L, a thickness D, and a height H between the length L and the thickness D. The number of cells are arranged along a thickness direction, and the cells are adhered to each other by a structural adhesive. The two first reinforcing plates are arranged opposite to each other and are respectively adhered to two surfaces of the cell array along the arrangement direction of the cells, and are configured to constrain relative positions between the cells.

公开(公告)号：US20220181730A1

公开(公告)日：2022-06-09

申请号：US17437348

申请日：2019-07-25

Applicant: BYD COMPANY LIMITED

Inventor： Huajun SUN ,  Zhipei LU ,  Jianglong TANG ,  Wenfeng JIANG ,  Yan ZHU

IPC: H01M50/209 ,  H01M50/249

Abstract: The present disclosure relates to a power battery pack, an energy storage device, an electric vehicle. The power battery pack includes an accommodating device and a plurality of cells, the accommodating device includes a plurality of accommodating regions, and each accommodating region has a first side edge and a second side edge and cells disposed between the first side edge and the second side edge. A distance between the first side edge and the second side edge along a first direction varies with different accommodating regions, each cell includes a first end and a second end, and a distance between the first end and the second end matches a distance between a corresponding first side edge and a corresponding second side edge.