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    Detection System and Method
    2.
    发明公开
    Detection System and Method 审中-公开

    公开(公告)号：US20240347797A1

    公开(公告)日：2024-10-17

    申请号：US18580287

    申请日：2022-07-26

    申请人： QinetiQ Limited

    发明人： Charles Yianni Cummings

    IPC分类号： H01M10/48 ,  H01M50/124 ,  H01M50/358

    CPC分类号： H01M10/486 ,  H01M50/1245 ,  H01M50/358 ,  H01M2200/10

    摘要： An early warning detection system for detecting battery thermal runaway in a battery pack or module, said system comprising a coating applied to the outside of one or more battery pack cells, said coating selected such that it decomposes at a temperature range useful for said detection and so as to emit a detectable volatile compound. Also provided is a method for preparing battery cells for use in a detection system, systems and batteries prepared according to the invention and their use in the detection of battery thermal runaway.

    METHOD FOR MANUFACTURING CORROSION-PREVENTING LAYER, AND CYLINDRICAL SECONDARY BATTERY
    3.
    发明公开
    METHOD FOR MANUFACTURING CORROSION-PREVENTING LAYER, AND CYLINDRICAL SECONDARY BATTERY 审中-公开

    公开(公告)号：US20240313371A1

    公开(公告)日：2024-09-19

    申请号：US18267027

    申请日：2022-03-03

    申请人： LG ENERGY SOLUTION, LTD.

    发明人： Jimin JUNG ,  Je Jun LEE ,  Hak Kyun KIM

    IPC分类号： H01M50/571 ,  H01M10/04 ,  H01M50/107 ,  H01M50/119 ,  H01M50/124

    CPC分类号： H01M50/571 ,  H01M10/0422 ,  H01M50/107 ,  H01M50/119 ,  H01M50/124

    摘要： A manufacturing method for providing a corrosion prevention layer on a cylindrical secondary battery including a jelly-roll type electrode assembly having a structure in which a first electrode, a second electrode, and a separator interposed therebetween are wound in one direction based on a winding axis, a battery can accommodating the electrode assembly and the battery can including a metal plated layer, and a connection lead plate joining the battery can and the electrode assembly, of which the method includes applying a resin to a portion where the metal plated layer is welded to the connection lead plate, and forming the corrosion prevention layer by curing the resin by ultraviolet rays. The resin includes one or more liquid materials. The one or more liquid materials are ultraviolet curable. The one or more liquid materials have a viscosity of 1 cP to 5000 cP.

    Battery cell
    6.
    发明授权
    Battery cell 有权

    公开(公告)号：US12074331B2

    公开(公告)日：2024-08-27

    申请号：US17216300

    申请日：2021-03-29

    申请人： NINGDE AMPEREX TECHNOLOGY LIMITED

    发明人： Jing Li ,  Hengtao Xia ,  Hongze Gao

    IPC分类号： H01M10/0587 ,  H01M50/124 ,  H01M50/198 ,  H01M50/46

    CPC分类号： H01M50/124 ,  H01M10/0587 ,  H01M50/198 ,  H01M50/46

    摘要： A battery cell includes an electrode assembly, a first adhesive film, and a first adhesive layer. Outer surfaces of the electrode assembly include a first surface, a first lateral surface, a second surface opposite to the first surface, and a second lateral surface opposite to the first lateral surface. The first adhesive film adheres to the first lateral surface and extends from the first lateral surface to the first surface or extends from the first lateral surface to both the first surface and the second surface. The first adhesive layer adheres to the first surface. At least a part of the first adhesive layer overlaps the first adhesive film on a side of the first adhesive film in a thickness direction perpendicular to the first surface, and in the overlap, the first adhesive film disposed between the part of the first adhesive layer and the first surface in the thickness direction.