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    BATTERY AND ELECTRONIC DEVICE
    5.
    发明公开
    BATTERY AND ELECTRONIC DEVICE 审中-公开

    公开(公告)号：US20240266698A1

    公开(公告)日：2024-08-08

    申请号：US18622555

    申请日：2024-03-29

    申请人： DONGGUAN AMPEREX TECHNOLOGY LIMITED

    发明人： Yuyang DONG ,  Dongyang Yan ,  Qiao Zeng

    IPC分类号： H01M50/586 ,  H01M10/04 ,  H01M50/595

    CPC分类号： H01M50/586 ,  H01M10/0431 ,  H01M50/595

    摘要： A battery includes a housing, an electrode assembly, a first layer and a second layer. The electrode assembly includes a first electrode plate, a second electrode plate, and a separator. The electrode assembly is wound. The first electrode plate includes a first edge and a second edge disposed opposite to each other along a winding direction and includes a first ending end towards the second edge. Viewed along a first direction, the electrode assembly includes a first surface. The second edge divides the first surface into a first region and a second region. The first region is a region containing the first ending end. The first layer is fixed to the first region and the second region. The second layer is fixed to the first surface and at a distance from the first layer, and the second layer bonds and fixes the electrode assembly to the housing.

    BATTERY UNIT, BATTERY MODULE, AND VEHICLE
    6.
    发明公开
    BATTERY UNIT, BATTERY MODULE, AND VEHICLE 审中-公开

    公开(公告)号：US20240266696A1

    公开(公告)日：2024-08-08

    申请号：US18639314

    申请日：2024-04-18

    申请人： BYD COMPANY LIMITED

    发明人： Xinyue WANG ,  Wansong YUAN ,  Pingan DUAN ,  Aipeng WEN

    IPC分类号： H01M50/571 ,  H01M50/103 ,  H01M50/249 ,  H01M50/533 ,  H01M50/586

    CPC分类号： H01M50/571 ,  H01M50/103 ,  H01M50/533 ,  H01M50/249 ,  H01M50/586

    摘要： A battery unit, a battery module, and a vehicle are provided. The battery unit includes a housing, an electrode core, a first electrode terminal, and a second electrode terminal. A chamber is defined in the housing. The electrode core is arranged in the chamber, the electrode core includes a first electrode tab and a second electrode tab, one of the first electrode tab and the second electrode tab is a positive electrode tab, the other one of the first electrode tab and the second electrode tab is a negative electrode tab, and the positive electrode tab is physically and electrically connected to the housing. The first electrode terminal is electrically connected to the first electrode tab. The second electrode terminal is electrically connected to the second electrode tab.

    ELECTROCHEMICAL APPARATUS AND ELECTRIC DEVICE
    9.
    发明公开
    ELECTROCHEMICAL APPARATUS AND ELECTRIC DEVICE 审中-公开

    公开(公告)号：US20240243340A1

    公开(公告)日：2024-07-18

    申请号：US18622150

    申请日：2024-03-29

    申请人： Ningde Amperex Technology Limited

    发明人： Shiwei SU ,  Daolin DENG ,  Xingfu YANG ,  Wen CHEN

    IPC分类号： H01M10/04 ,  H01M50/531 ,  H01M50/586

    CPC分类号： H01M10/0431 ,  H01M50/531 ,  H01M50/586

    摘要： An electrochemical apparatus, including a winding-structured electrode assembly, an end of a first electrode plate is provided with a first zone connected to a first tab, an end of a second electrode plate is provided with a second zone connected to a second tab. Along a winding direction from inside to outside, the first electrode plate is located on the inner side of the electrode assembly relative to the second electrode plate, and the first zone exceeds the second zone by a winding length of less than one turn. An angle between a half line from a winding center to a center of the first zone and a half line from the winding center to a center of the second zone is θ, 30°≤θ≤270°. An effective current path length of the outermost turn of the first electrode plate is extended, thereby reducing a magnetic field produced by the electrode assembly.