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    Battery module
    14.
    发明授权
    Battery module 有权

    公开(公告)号：US11335982B2

    公开(公告)日：2022-05-17

    申请号：US16627652

    申请日：2018-06-25

    Applicant: BYD COMPANY LIMITED

    Inventor： Xi Shen ,  Zhipei Lu ,  Weixin Zheng ,  Jia Lu ,  Jing Tan ,  Yan Zhu ,  Jianhua Zhu

    IPC: H01M50/593 ,  H01M50/209 ,  H01M50/20 ,  H01M10/6555 ,  H01M10/658

    Abstract: A 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 on at least one side face of the battery housing, the insulation films on 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 plate 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.

    Battery, battery module, battery pack and electric vehicle
    15.
    发明授权
    Battery, battery module, battery pack and electric vehicle 有权

    公开(公告)号：US11258129B2

    公开(公告)日：2022-02-22

    申请号：US17019852

    申请日：2020-09-14

    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 ,  H01M50/20 ,  H01M50/60

    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.

    Lithium-ion battery, battery module, battery pack, and automobile
    16.
    发明授权
    Lithium-ion battery, battery module, battery pack, and automobile 有权

    公开(公告)号：US10790544B1

    公开(公告)日：2020-09-29

    申请号：US16707831

    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: H01M10/42 ,  H01M10/0525 ,  H01M10/0585 ,  H01M2/10 ,  H01M2/36

    Abstract: The present invention provides a lithium-ion battery, including: a housing and a separator located inside the housing, where the separator separates internal space of the housing into a plurality of accommodation cavities, battery core sets are disposed inside the accommodation cavities, the battery core sets each include at least one pole shank, and the battery core sets are connected in series; and at least one separator is provided with a liquid injection hole, and the liquid injection hole is used to connect two adjacent accommodation cavities on two sides of the separator; and a block mechanism, where the block mechanism is located inside the housing, the block mechanism enables the liquid injection hole to be in a predetermined state, and the predetermined state includes an open state and a closed state. The battery provided in the present invention ensures isolation and safety of each battery core set while facilitating liquid injection.

    Battery Pack
    18.
    发明申请
    Battery Pack 有权

    公开(公告)号：US20250096363A1

    公开(公告)日：2025-03-20

    申请号：US18969512

    申请日：2024-12-05

    Applicant: BYD COMPANY LIMITED

    Inventor： Yuanmao Shu ,  Xiao Wang ,  Yueqiu You ,  Weixin Zheng ,  Zhipei Lu

    IPC: H01M10/6568 ,  H01M10/613 ,  H01M10/647 ,  H01M10/6551 ,  H01M50/103 ,  H01M50/209 ,  H01M50/503 ,  H01M50/507 ,  H01M50/547

    Abstract: A battery pack is provided. The battery pack includes: a plurality of battery cells, each of which includes a shell, a battery core, and a plurality of terminal posts. An accommodating space is defined inside the shell. The battery core is disposed in the accommodating space. The shell at least includes a first surface and a second surface. The plurality of terminal posts are disposed on the battery core and extend out of the shell from the first surface. The battery pack further includes an electrical connecting member, which is disposed opposite each of two adjacent first surfaces and is electrically connected to each of two adjacent terminal posts, so as to conduct two adjacent battery cells. The battery pack further includes a heat transfer member, which can transfer heat from the electrical connecting member to the second surface.

    Battery pack, vehicle and energy storage device
    20.
    发明授权
    Battery pack, vehicle and energy storage device 有权

    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.

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