BINDER, SEPARATOR, ELECTRODE PLATE, ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS

    公开(公告)号:US20240313225A1

    公开(公告)日:2024-09-19

    申请号:US18670605

    申请日:2024-05-21

    CPC classification number: H01M4/622

    Abstract: This application discloses a binder, a separator, an electrode plate, an electrode assembly, a battery cell, a battery, and an electric apparatus, and relates to the field of battery technologies. The binder includes an organic polymer and an inorganic substance, and the binder has a first glass transition temperature and a second glass transition temperature within a range of −10° C. to 95° C., where the first glass transition temperature is higher than the second glass transition temperature. The organic polymer and the inorganic substance act together to obtain the binder with good adhesion performance and appropriate glass transition temperatures, suitable for fully exerting the adhesion performance of the binder under battery operation conditions, and thereby improving the kinetic and safety performance of batteries.

    FLEXIBLY-PACKAGED SECONDARY BATTERY
    7.
    发明申请

    公开(公告)号:US20190027712A1

    公开(公告)日:2019-01-24

    申请号:US16138534

    申请日:2018-09-21

    Abstract: The present disclosure provides a pouch-type secondary battery, which comprises an electrode assembly, a packaging film. The packaging film comprises a first receiving portion, a second receiving portion, a third receiving portion. The third receiving portion is parallel to the first receiving portion, a portion of the electrode tab extends out of the third receiving portion. A joint location between the second receiving portion and the first receiving portion and a joint location between the second receiving portion and the third receiving portion each are formed with a bending angle, the bending angles are equal and each range from 130° to 160°. Because the bending angles in the range are relatively large, when the packaging film is tightly pressed, there is no need to apply a too large pressure on the second receiving portion and the third receiving portion, so the electrode tab is not easily damaged or even ruptured.

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