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    BATTERY AND ELECTRONIC DEVICE
    2.
    发明公开
    BATTERY AND ELECTRONIC DEVICE 审中-公开

    公开(公告)号：US20230238520A1

    公开(公告)日：2023-07-27

    申请号：US18193192

    申请日：2023-03-30

    Applicant: Ningde Amperex Technology Limited

    Inventor： Liangzhen XIAO ,  Qiao ZENG

    IPC: H01M4/36 ,  H01M10/04

    CPC classification number: H01M4/366 ,  H01M10/0459

    Abstract: A battery including a negative electrode active material layer, a positive electrode active material layer and a separator. In a first direction, the positive electrode active material layer includes a first portion and a second portion connected to the first portion. The second portion includes a first end, and the first portion includes a first surface. The first surface is connected to the second portion through a first connection, the first end is away from the first connection and is an end of the positive electrode active material layer, and a thickness of the second portion in a second direction perpendicular to the first direction decreases from the first connection to the first end in the first direction.

    FLEXIBLE BATTERIES FOR WEARABLE DEVICES
    6.
    发明申请
    FLEXIBLE BATTERIES FOR WEARABLE DEVICES 审中-公开

    公开(公告)号：US20200044222A1

    公开(公告)日：2020-02-06

    申请号：US16125378

    申请日：2018-09-07

    Applicant: NINGDE AMPEREX TECHNOLOGY LIMITED

    Inventor： Liangzhen XIAO ,  Qiao ZENG

    IPC: H01M2/20 ,  H01M2/26

    Abstract: A battery for powering a wearable device comprises a first cell, a second cell interconnected with the first cell, and a connection electrically coupled between the first cell and the second cell. The connection extends from the first cell to the second cell along a first direction. A length of the connection along the first direction is greater than a distance between the first cell and the second cell. In some embodiments, the connection comprises a folded structure configured to accommodate a dimensional change of the battery when bending the wearable device.

    BUTTON CELL AND ELECTRONIC DEVICE
    7.
    发明申请
    BUTTON CELL AND ELECTRONIC DEVICE 有权

    公开(公告)号：US20250062385A1

    公开(公告)日：2025-02-20

    申请号：US18937292

    申请日：2024-11-05

    Applicant: Ningde Amperex Technology Limited

    Inventor： Huimin GAO ,  Qiao ZENG

    IPC: H01M10/04 ,  H01M50/109

    Abstract: A button cell includes a winding body, a first metal plate and a first layer. The winding body includes a first current collector. The first metal plate is connected to the first current collector at a first portion. The first layer covers the first portion. In the winding direction, the first layer includes a first side edge and a second side edge, the first side edge intersects with the first current collector at a first end point, and the second side edge intersects with the first current collector at a second end point. A line connecting the first end point and a winding central axis is defined as a first virtual line, a line connecting the second end point and the winding central axis is defined as a second virtual line, and an included angle between the first virtual line and the second virtual line is 54° to 66°.

    BATTERY CELL AND LITHIUM-ION BATTERY
    8.
    发明公开
    BATTERY CELL AND LITHIUM-ION BATTERY 审中-公开

    公开(公告)号：US20240339667A1

    公开(公告)日：2024-10-10

    申请号：US18748455

    申请日：2024-06-20

    Applicant: Ningde Amperex Technology Limited

    Inventor： Qiao ZENG ,  Jing JIANG ,  Kefei WANG

    IPC: H01M10/0585 ,  H01M10/0525 ,  H01M10/0587

    CPC classification number: H01M10/0585 ,  H01M10/0525 ,  H01M10/0587

    Abstract: A battery cell, including a first electrode plate, a second electrode plate, a separator, and a first electrode tab. The separator is disposed between the first electrode plate and the second electrode plate. The first electrode plate, the second electrode plate, and the separator are wound along a length direction of the first electrode plate. The first electrode tab is located at an end in a width direction of the first electrode plate. In the length direction of the first electrode plate, the first electrode plate includes a first edge, and a first notch is disposed at the first edge.

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