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    BATTERY PACK, AND MANUFACTURING METHOD THEREFOR
    5.
    发明公开
    BATTERY PACK, AND MANUFACTURING METHOD THEREFOR 审中-公开

    公开(公告)号：EP4178019A1

    公开(公告)日：2023-05-10

    申请号：EP21831578.6

    申请日：2021-07-02

    申请人： Positec Power Tools (Suzhou) Co., Ltd

    发明人： WANG, Liangjun ,  DENG, Chunying ,  MA, Ruifei

    IPC分类号： H01M50/213 ,  H01M50/244 ,  H01M50/247 ,  H01M50/258 ,  H01M10/613 ,  H01M10/6235 ,  H01M10/643 ,  H01M10/653 ,  H01M10/659

    摘要： Disclosed are a battery pack and a manufacturing method therefor. The battery pack comprises: a battery module, comprising several cells, wherein the cells are electrically connected to each other, and each cell comprises an outer side face in the direction of longitudinal extension thereof; an adapter portion, for establishing mechanical and electrical connection between an electric tool and the battery pack; a holder, wherein an accommodating cavity is internally formed in the holder, and the cells are at least partially received in the accommodating cavity; and a filler, which wraps the outer side faces of the cells, is located at an inner side of the accommodating cavity and is used for transferring heat generated by the cells out of the accommodating cavity. The outer side faces of the cells are completely accommodated in the accommodating cavity, and the ratio of the length along which the filler is set in the lengthwise direction of the cells to the length of the cells is not less than 30%.

    BATTERY PACK
    8.
    发明公开
    BATTERY PACK 审中-公开

    公开(公告)号：EP3561901A1

    公开(公告)日：2019-10-30

    申请号：EP17882978.4

    申请日：2017-11-17

    申请人： Honda Motor Co., Ltd.

    发明人： SUEYOSHI Shunichiro ,  MURAOKA Keisuke ,  NAGATANI Shuji

    IPC分类号： H01M2/10 ,  B25F5/00 ,  H01M10/613 ,  H01M10/6235 ,  H01M10/6561 ,  H01M10/6556 ,  H01M10/6554 ,  H01M10/6566 ,  H01M10/6563 ,  H01M10/6565

    摘要： Provided is a battery pack having an air communication passage communicating the interior of the battery pack accommodating battery cells therein with the exterior of the battery pack, and configured to prevent moisture from reaching the battery cells. The battery pack (20) is provided with a housing (100) having an outer bottom plate (145) and an inner bottom plate (141), and defining a primary chamber (97) for accommodating battery cells (98) above the inner bottom plate, and a secondary chamber (148) between the outer bottom plate and the inner bottom plate; wherein the outer bottom plate includes an outer flat plate (146) extending substantially in parallel to the inner bottom plate and an upright wall extending from a peripheral part of the outer flat plate to abut against a peripheral part of the inner bottom plate, the inner bottom plate being provided with at least one opening surrounded by a tubular flange projecting toward the outer bottom plate, the housing including an air communication passage (A) communicating the secondary chamber with an exterior of the housing; and wherein a part of a bottom surface of the inner bottom plate adjacent to the upright wall inclines upward with respect to a reference surface (144) of the bottom surface of the inner bottom plate away from the outer bottom plate toward the upright wall, the air communication passage including a first communication hole (149) having an edge located above the reference surface of the inner bottom plate.