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    BATTERY CELL AND ELECTRIC APPARATUS
    2.
    发明公开
    BATTERY CELL AND ELECTRIC APPARATUS 审中-公开

    公开(公告)号：US20240250376A1

    公开(公告)日：2024-07-25

    申请号：US18621371

    申请日：2024-03-29

    申请人： Ningde Amperex Technology Limited

    发明人： Guowen ZHANG

    IPC分类号： H01M50/375 ,  H01M50/342 ,  H01M50/547 ,  H01M50/636

    CPC分类号： H01M50/375 ,  H01M50/342 ,  H01M50/547 ,  H01M50/636 ,  H01M2200/10

    摘要： A battery cell includes a housing and a pressure relief mechanism. The housing is provided with a first through hole and the pressure relief mechanism covers the first through hole. The pressure relief mechanism includes an adhesive film, and the adhesive film can be heated and melted to form a pressure relief channel connecting the inside and outside of the housing. The pressure relief mechanism has good thermal sensitivity, allowing for highly reliable pressure relief, thus improving the safety of the battery cell. In addition, as compared with the pressure relief mechanism with engraved grooves, no large space needs to be reserved in some embodiments, allowing for a more compacted structure of the electric apparatus and lower preparation costs of the pressure relief mechanism.

    ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY, AND ELECTRIC DEVICE
    3.
    发明公开
    ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY, AND ELECTRIC DEVICE 审中-公开

    公开(公告)号：US20240030495A1

    公开(公告)日：2024-01-25

    申请号：US17978994

    申请日：2022-11-02

    申请人： CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

    发明人： Qian ZHAO ,  Guodong DU ,  Qifan ZOU

    IPC分类号： H01M10/058 ,  H01M50/547 ,  H01M50/531

    CPC分类号： H01M10/058 ,  H01M50/547 ,  H01M50/531 ,  H01M2220/20

    摘要： This application discloses an electrode assembly, a battery cell, a battery, and an electric device. The electrode assembly may include a first electrode plate and a second electrode plate that have opposite polarities, where the first electrode plate and the second electrode plate may be stacked. The first electrode plate may include a first active substance portion and a plurality of first inactive substance portions protruding from the first active substance portion, and the plurality of first inactive substance portions may be stacked. A connection layer may be disposed between at least two adjacent first inactive substance portions, and the connection layer may be spaced from the first active substance portion in a first direction and connect two adjacent first inactive substance portions, where the first direction is a direction in which the first inactive substance portions protrude from the first active substance portion.

    Rechargeable battery
    7.
    发明授权
    Rechargeable battery 有权

    公开(公告)号：US11695180B2

    公开(公告)日：2023-07-04

    申请号：US17224419

    申请日：2021-04-07

    申请人： SAMSUNG SDI CO., LTD.

    发明人： Heejung Ko ,  Kijung Kim ,  Yongjin Park ,  Byongchul Woo ,  Jong-Ha Lee

    IPC分类号： H01M50/181 ,  H01M50/559 ,  H01M50/533 ,  H01M50/547 ,  H01M50/153

    CPC分类号： H01M50/181 ,  H01M50/153 ,  H01M50/533 ,  H01M50/547 ,  H01M50/559

    摘要： A rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; a case including an inner space accommodating the electrode assembly, and an opening; a cap plate coupled to the case at the opening and including a terminal hole exposing the inner space; an electrode terminal electrically connected to the electrode assembly through the terminal hole and overlapping the cap plate; electrode tabs respectively connected to the first electrode and the second electrode; and an electrolyte solution in the inner space, and at least one electrode tab of the electrode tabs has an inclined portion that is inclined at a first angle with respect to a surface of the electrode assembly facing the at least one electrode tab.

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

    公开(公告)号：US20230207996A1

    公开(公告)日：2023-06-29

    申请号：US17888784

    申请日：2022-08-16

    申请人： SAMSUNG SDI CO., LTD.

    发明人： Hyun Soo LEE

    IPC分类号： H01M50/593 ,  H01M10/0525 ,  H01M50/148 ,  H01M50/547 ,  H01M50/531

    CPC分类号： H01M50/593 ,  H01M10/0525 ,  H01M50/148 ,  H01M50/547 ,  H01M50/531

    摘要： A secondary battery includes: an electrode assembly including a first electrode tab and a second electrode tab; a first current collector plate electrically connected to the first electrode tab; a case in which the first current collector plate and the electrode assembly are accommodated; a cap plate sealing an upper end of the case and including a coupling protrusion protruding downward; and an insulating member coupled to and fixed to the coupling protrusion at a lower portion of the cap plate, and the first current collector plate is coupled to a coupling hook located under the insulating member to be fixed.

    Battery Cell and Battery Module Including the Same
    9.
    发明公开
    Battery Cell and Battery Module Including the Same 审中-公开

    公开(公告)号：US20230207987A1

    公开(公告)日：2023-06-29

    申请号：US17927175

    申请日：2022-03-08

    申请人： LG Energy Solution, Ltd.

    发明人： Hun-Hee Lim ,  Sang-Hun Kim ,  Min-Hyeong Kang ,  Hyung-Kyun Yu ,  Soo-Ji Hwang

    IPC分类号： H01M50/547 ,  H01M50/186 ,  H01M50/533

    CPC分类号： H01M50/547 ,  H01M50/186 ,  H01M50/533

    摘要： Disclosed is a battery cell, which includes a battery case having an accommodation portion accommodating an electrode assembly, and a sealing portion formed by sealing an outer periphery of the battery case; an electrode lead electrically connected to an electrode tab included in the electrode assembly and protruding out of the battery case via the sealing portion; and a lead film adjacent to the sealing portion in at least one of an first portion and a second portion of the electrode lead, wherein a surface-deformed portion is formed on an outer surface of the electrode lead, and the surface-deformed portion is located between the lead film and the electrode lead.