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    POWER STORAGE DEVICE AND METHOD OF MANUFACTURING POWER STORAGE DEVICE
    6.
    发明公开
    POWER STORAGE DEVICE AND METHOD OF MANUFACTURING POWER STORAGE DEVICE 审中-公开

    公开(公告)号：EP4071905A1

    公开(公告)日：2022-10-12

    申请号：EP22163171.6

    申请日：2022-03-21

    申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA

    发明人： KATO, Masashi

    IPC分类号： H01M50/211 ,  H01M50/224 ,  H01M50/233 ,  H01M50/276

    摘要： A power storage device (1) includes a case body (210) made of metal and having an opening that opens in at least one direction, a power storage module (100) placed inside the case body, a closing plate (220) made of metal and welded to the case body so as to close the opening of the case body, an insulating sheet (300) covering an inner surface of the case body and an inner surface of the closing plate, and a covering portion (400) made of an insulating material and covering a boundary portion (215) between the inner surface of the case body and the inner surface of the closing plate.

    BATTERY PACK AND ELECTRIC VEHICLE
    10.
    发明公开
    BATTERY PACK AND ELECTRIC VEHICLE 审中-实审

    公开(公告)号：EP4329081A3

    公开(公告)日：2024-04-10

    申请号：EP23214628.2

    申请日：2020-10-29

    申请人： BYD Company Limited

    发明人： SUN, Huajun ,  LU, Zhipei ,  PENG, Qingbo ,  WAN, Long ,  ZHU, Yan

    IPC分类号： H01M50/10 ,  H01M50/105 ,  H01M10/625 ,  H01M10/6557 ,  H01M50/207 ,  H01M50/209 ,  H01M50/211 ,  H01M50/224 ,  H01M50/244 ,  H01M50/249 ,  H01M50/30 ,  H01M50/367 ,  B60L50/64 ,  H01M10/613 ,  H01M10/6555 ,  H01M50/242 ,  H01M50/276 ,  H01M50/588 ,  H01M50/593 ,  H01M50/502 ,  B60L58/26

    摘要： The present disclosure provides a battery pack and an electric vehicle. The battery pack includes a sealed housing, and at least one housing structural beam and multiple electrode core strings electrically connected to one another located in the housing. The housing includes a housing body, including a top plate and a bottom plate arranged opposite to each other in a first direction. The structural beam is located between the top plate and the bottom plate, the at least one structural beam divides the interior of the housing into multiple accommodating cavities, the at least one structural beam is connected to the top plate and the bottom plate, and at least one electrode core string is provided in at least one accommodating cavity. An atmospheric pressure in the accommodating cavity is lower than an atmospheric pressure outside the housing. A mounting portion is provided on the housing, and the mounting portion is configured to be connected and fixed to an external load. The electrode core string includes multiple electrode core assemblies sequentially disposed in a second direction and connected in series. The electrode core assembly is encapsulated in an encapsulation film. A length direction of the electrode core string extends in the second direction.