公开(公告)号：US20240222763A1

公开(公告)日：2024-07-04

申请号：US18604560

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≥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 cell comprises a cell body, and the length of the cell body is 400-2500 mm.

公开(公告)号：US11183729B2

公开(公告)日：2021-11-23

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. The battery pack includes a housing with a first direction and a second direction perpendicular to the first direction. The battery pack housing includes at least one rectangular cell accommodating unit is formed therein. The battery pack also includes a plurality of rectangular cells, and has a dimension greater than or equal to 600 mm along the first direction. The plurality of rectangular cells are arranged in the rectangular cell accommodating unit along the second direction. The rectangular cell has a thickness of D, length of L, and height of H. A length direction of at least one rectangular cell extends from one side of the rectangular cell accommodating unit to its other side along the first direction, and meets: L>H, L>D, 600 mm≤L≤2500 mm, 23≤L/D≤208.

公开(公告)号：US10777791B1

公开(公告)日：2020-09-15

申请号：US16707837

申请日：2019-12-09

Applicant: BYD COMPANY LIMITED

Inventor： Chuanfu Wang ,  Long He ,  Huajun Sun ,  Jianhua Zhu ,  Zhipei Lu ,  Yan Zhu ,  Shichao Hu

IPC: H01M2/10 ,  H01M2/36 ,  B60L50/64

Abstract: A battery includes a case and a battery core assembly disposed in the case, the battery core assembly includes a plurality of battery core groups and an receiving space holding the plurality of battery core groups, the battery core groups are connected in series, and the battery core group includes at least one battery core; a separator plate is disposed between at least two adjacent battery core groups, the separator plate divides the receiving space into a plurality of receiving cavities, each of the receiving cavities holds one or more battery core groups, and a cavity wall of the receiving cavity comprised by a connection of the separator plate and a separation membrane; and the battery further includes a liquid injection channel and the liquid injection channel in a sealed state, the liquid injection channel is disposed on at least one of the separation membranes and the separator plates.

公开(公告)号：US10749223B2

公开(公告)日：2020-08-18

申请号：US16092573

申请日：2017-03-30

Applicant: BYD COMPANY LIMITED

Inventor： Zhipei Lu ,  Xuefeng Zhang ,  Jia Lu ,  Qingbo Peng ,  Wei Liu ,  Jianhua Zhu

IPC: H01M2/10 ,  H01M10/613 ,  F28F3/12 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6556 ,  H01M10/653 ,  H01M10/6568 ,  B60L3/00 ,  B60L50/64 ,  B60L58/26 ,  H01M10/6552 ,  H01M10/6554 ,  F28D15/02 ,  F28F9/02 ,  F28D1/03 ,  F28F21/08 ,  B60R16/033

Abstract: A tray, a tray assembly, a battery pack assembly and a vehicle are provided. The tray includes a bottom plate having a plurality of sub-bottom plates and a flow channel in at least one of the plurality of sub-bottom plates. The at least one of the plurality of sub-bottom plates is configured to support a battery assembly. The tray further includes a frame disposed around and configured to support the bottom plate. The tray provides a reduced volume requirement on the cavity for holding the battery assembly. The flow channels are arranged more concisely, and a water cooling mode and an air cooling mode are employed in the tray.

公开(公告)号：US09941502B2

公开(公告)日：2018-04-10

申请号：US15189927

申请日：2016-06-22

Applicant: BYD COMPANY LIMITED

Inventor： Jia Lu ,  Qingbo Peng ,  Yan Zhu ,  Xuefeng Zhang ,  Wei Liu ,  Yan Huang ,  Zhipei Lu ,  Jianhua Zhu

IPC: H01M2/20 ,  B60L11/18 ,  H01M10/48 ,  H01M2/22 ,  H01M2/30 ,  H01M10/42

CPC classification number: H01M2/206 ,  B60L11/1851 ,  B60L11/1879 ,  H01M2/22 ,  H01M2/305 ,  H01M10/425 ,  H01M10/482 ,  H01M2220/20 ,  Y02T10/7005 ,  Y02T10/705

Abstract: A signal collection and power connection assembly of a power battery module, a power battery module and a vehicle are provided. The assembly includes a substrate, a power connection member fixed on the substrate, a power connection line formed by a first sheet-like conductor disposed on the substrate, a signal collection line formed by a second sheet-like conductor disposed on the substrate, and a signal collection member disposed on the substrate and coupled with the signal collection line. A terminal of the power connection line is coupled with the power connection member, and a terminal of the signal collection line is coupled with the power connection member.