BATTERY WINDING METHOD AND APPARATUS
    1.
    发明公开

    公开(公告)号:US20240039030A1

    公开(公告)日:2024-02-01

    申请号:US18210655

    申请日:2023-06-16

    IPC分类号: H01M10/04

    CPC分类号: H01M10/0409 H01M10/0431

    摘要: A battery winding apparatus and method is provided. The battery winding method includes steps of providing a first sheet group comprising a cathode sheet, a second sheet group comprising an anode sheet, and a winding mechanism for a winding operation, where the first sheet group and/or the second sheet group are pre-formed with a separator or separators; and winding the first sheet group and the second sheet group by the winding mechanism to obtain a battery cell. The battery winding method forms the first sheet group and the second sheet group by pre-bonding the separator or separators to the cathode sheet and/or the anode sheet to solve the problem of wrinkling of the sheet or changing the core into the S-shaped and low winding efficiency in the prior art.