SECONDARY BATTERY
    98.
    发明公开
    SECONDARY BATTERY 审中-公开

    公开(公告)号:US20240178509A1

    公开(公告)日:2024-05-30

    申请号:US18243239

    申请日:2023-09-07

    IPC分类号: H01M50/342 H01M50/148

    CPC分类号: H01M50/3425 H01M50/148

    摘要: A secondary battery includes an electrode assembly; a case that accommodates the electrode assembly; and a cap assembly that is coupled to an upper portion of the case, the cap assembly including a cap up, a safety vent below the cap up, and a cap down below the safety vent and electrically connected to the electrode assembly, wherein the safety vent includes a main notch and a sub-notch adjacent to the main notch, and the sub-notch has a depth that is smaller than a depth of the main notch.