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    Battery and battery manufacturing method
    61.
    发明授权
    Battery and battery manufacturing method 有权

    公开(公告)号：US10950916B2

    公开(公告)日：2021-03-16

    申请号：US16148355

    申请日：2018-10-01

    申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA

    发明人： Tomotaka Hagino ,  Yuta Nemoto ,  Tomohiro Ono ,  Yoichi Naruse

    IPC分类号： H01M2/30 ,  H01M50/543 ,  H01M10/058 ,  H01M10/0525 ,  H01M50/116 ,  H01M50/183 ,  H01M50/528 ,  H01M50/545

    摘要： A battery manufacturing method includes assembling an internal terminal, a gasket, a battery case component, an insulator, and an external terminal into a state where a cylindrical part of the gasket is fitted in a mounting hole of the battery case component, a projecting part of the internal terminal is fitted in the cylindrical part of the gasket, the insulator is disposed on an outer surface of the battery case component with the projecting part fitted in a through-hole, and the external terminal is disposed on top of the insulator so as to lie on the projecting part. The external terminal is pressed against the projecting part of the internal terminal, and the external terminal or the internal terminal is vibrated to thereby weld together the projecting part and the external terminal in a solid state.

    Secondary battery
    62.
    发明授权
    Secondary battery 有权

    公开(公告)号：US12107298B2

    公开(公告)日：2024-10-01

    申请号：US17278773

    申请日：2019-09-05

    申请人： Panasonic Corporation

    发明人： Kiyomi Kozuki

    IPC分类号： H01M50/533 ,  H01M50/103 ,  H01M50/183 ,  H01M50/528 ,  H01M50/531

    CPC分类号： H01M50/533 ,  H01M50/103 ,  H01M50/183 ,  H01M50/528 ,  H01M50/531

    摘要： A secondary battery has an electrode body, a sealing plate sealing an opening of a battery case, current collector tabs provided respectively on a positive and a negative electrode plate, current collector terminals disposed inside the sealing plate and connected respectively to the positive and the negative electrode plate with the respective current collector tabs interposed therebetween, and external terminals disposed outside the sealing plate and connected to the respective current collector terminals. The electrode body is accommodated in the battery case with the electrode current collector tabs being bent in a space inside the sealing plate, and each of the current collector tabs has a joined portion ultrasonically joined to the corresponding current collector terminal and a bend portion provided at a position away from the joined portion and on the electrode body side and serving as a starting portion at which the current collector tab is bent.

    PROTECTION BOARD, BATTERY, AND ELECTRONIC DEVICE
    64.
    发明公开
    PROTECTION BOARD, BATTERY, AND ELECTRONIC DEVICE 审中-公开

    公开(公告)号：US20240322343A1

    公开(公告)日：2024-09-26

    申请号：US18736133

    申请日：2024-06-06

    申请人： ZHUHAI COSMX POWER CO., LTD.

    发明人： Guojie SHAO ,  Zihao LUO

    IPC分类号： H01M50/284 ,  H01M50/227 ,  H01M50/262 ,  H01M50/528

    CPC分类号： H01M50/284 ,  H01M50/227 ,  H01M50/262 ,  H01M50/528

    摘要： Embodiments of the present disclosure relate to the technical field of batteries, in particular, to a protection board, a battery and an electronic device. The protection board includes a protection board body and a flexible circuit board connected in sequence, where a puller assembly is provided on an end of the flexible circuit board away from the protection board body. In the present disclosure, since the puller assembly is arranged on the protection board, by means of directly grabbing the puller assembly, the battery can be disassembled or replaced, which avoids a safety risk of cracking of or damage to the flexible circuit board and thus seriously affecting the safety performance and service life of the battery due to directly taking the flexible circuit board with hands or devices.

    BATTERY AND BATTERY PACK
    66.
    发明公开
    BATTERY AND BATTERY PACK 审中-公开

    公开(公告)号：US20240266648A1

    公开(公告)日：2024-08-08

    申请号：US18619933

    申请日：2024-03-28

    申请人： Dongguan Amperex Technology Limited

    发明人： Daolin LIU

    IPC分类号： H01M50/145 ,  H01M50/107 ,  H01M50/213 ,  H01M50/502 ,  H01M50/528 ,  H01M50/533 ,  H01M50/536

    CPC分类号： H01M50/145 ,  H01M50/107 ,  H01M50/213 ,  H01M50/502 ,  H01M50/528 ,  H01M50/533 ,  H01M50/536

    摘要： A cylindrical battery, including: a housing, an electrode assembly, a first current collecting disc, and a protection piece. The housing contains a first end portion. The electrode assembly is accommodated in the housing. The first current collecting disc is electrically connected to the electrode assembly in the housing. The first end portion contains several welding track configured to be connected to the first current collecting disc. The first end portion further contains a first surface oriented away from the first current collecting disc. On the first surface, the welding track are arranged away from a center of the first surface. The protection piece is sheathed around the housing, extends beyond the first surface, and covers the welding track. No welding track is arranged at the center of the first surface.

    CURRENT COLLECTOR DISK AND BATTERY
    68.
    发明公开
    CURRENT COLLECTOR DISK AND BATTERY 审中-公开

    公开(公告)号：US20240234969A1

    公开(公告)日：2024-07-11

    申请号：US18008394

    申请日：2022-05-12

    申请人： EVE POWER CO., LTD.

    发明人： Liming HUANG ,  Liangliang YUE ,  Jing LIU ,  Yuebin XU ,  Wei HE

    IPC分类号： H01M50/533 ,  H01M50/528

    CPC分类号： H01M50/533 ,  H01M50/528

    摘要： Provided is a current collector disk, the current collector disk includes a welding disk and multiple support feet connected to the welding disk, the welding disk is provided with multiple through holes, the multiple through holes vertically penetrate through an upper end surface and a lower end surface of the welding disk, and a direction of end surfaces, facing away the welding disk, of the multiple support feet is the same as a direction of the lower end surface of the welding disk. Further provided is a battery, and the battery is provided with the current collector disk described above.