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    ELECTRODE STRUCTURE, SECONDARY BATTERY, BATTERY PACK, AND VEHICLE
    16.
    发明申请
    ELECTRODE STRUCTURE, SECONDARY BATTERY, BATTERY PACK, AND VEHICLE 有权

    公开(公告)号：US20230077637A1

    公开(公告)日：2023-03-16

    申请号：US17668662

    申请日：2022-02-10

    Applicant: KABUSHIKI KAISHA TOSHIBA

    Inventor： Tomoko SUGIZAKI ,  Kenya UCHIDA ,  Kazuomi YOSHIMA ,  Tomoe KUSAMA ,  Tetsuya SASAKAWA

    IPC: H01M50/44 ,  H01M50/414 ,  H01M50/489

    Abstract: According to one embodiment, an electrode structure is provided. The electrode structure includes: the current collector; the active material-containing layer provided on at least one surface of the current collector; and the organic fiber layer provided on the active material-containing layer. The organic fiber layer includes: the first region facing the active material-containing layer; and the second region adjacent to the first region, present on the center side of the main surface of the organic fiber layer, and facing the active material-containing layer. The density D1 of the first region of the organic fiber layer is higher than the density D2 of the second region of the organic fiber layer.

    ELECTRODE
    17.
    发明申请
    ELECTRODE 有权

    公开(公告)号：US20220302431A1

    公开(公告)日：2022-09-22

    申请号：US17462370

    申请日：2021-08-31

    Applicant: KABUSHIKI KAISHA TOSHIBA

    Inventor： Yuta KANAI ,  Yasunobu YAMASHITA ,  Kazuomi YOSHIMA ,  Keigo HOSHINA ,  Tetsuya SASAKAWA ,  Yasuhiro HARADA ,  Norio TAKAMI

    IPC: H01M4/13 ,  H01M4/66 ,  H01M10/0525 ,  H01M10/0587

    Abstract: According to one embodiment, an electrode is provided. The electrode includes an active material-containing layer and a current collector. The active material-containing layer comprises a first edge having an arc shape and a second edge positioned opposite to the first edge. The current collector comprises an active material-supporting section supporting the active material-containing layer, and an active material-non-supporting section. The curving amount is represented by a maximum distance from the first edge to a reference line connecting two points on the first edge. The curving amount is in a range of −1 mm or more and less than 0 mm.

    MANUFACTURING METHOD AND MANUFACTURING APPARATUS OF ELECTRODE STRUCTURE
    20.
    发明公开
    MANUFACTURING METHOD AND MANUFACTURING APPARATUS OF ELECTRODE STRUCTURE 审中-公开

    公开(公告)号：US20240097098A1

    公开(公告)日：2024-03-21

    申请号：US18176136

    申请日：2023-02-28

    Applicant: KABUSHIKI KAISHA TOSHIBA

    Inventor： Kazuomi YOSHIMA ,  Yuta KANAI ,  Hirofumi YASUMIISHI ,  Tetsuya SASAKAWA

    IPC: H01M4/04 ,  H01M4/66

    CPC classification number: H01M4/0435 ,  H01M4/661 ,  H01M4/667

    Abstract: In a manufacturing method of an electrode structure of an embodiment, in a belt-like member in which an uncoated region not coated with an active material-containing layer is formed in one of long edges and its vicinity in a current collector, the active material-containing layer is rolled, and a tension in a longitudinal direction is applied to the belt-like member between a pulling unit pulling the belt-like member and a rolling unit rolling the active material-containing layer. In the method, the uncoated region is pushed by a projection projecting to an outer peripheral side in a roller between the rolling unit and the pulling unit, thereby enlarging the uncoated region in the longitudinal direction. A projection length of the projection to the projection end is larger than the thickness of the rolled active material-containing layer.

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