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    ALL-SOLID-STATE SECONDARY BATTERY AND MANUFACTURING METHOD THEREFOR
    1.
    发明公开
    ALL-SOLID-STATE SECONDARY BATTERY AND MANUFACTURING METHOD THEREFOR 审中-公开

    公开(公告)号：US20230275261A1

    公开(公告)日：2023-08-31

    申请号：US18013079

    申请日：2021-07-13

    申请人： SAMSUNG SDI CO., LTD.

    发明人： Junhwan KU ,  Seoksoo LEE ,  Youngsin PARK ,  Toshinori SUGIMOTO

    IPC分类号： H01M10/0562

    CPC分类号： H01M10/0562 ,  H01M2300/0094 ,  H01M2300/008

    摘要： Provided are an all-solid secondary battery and a method of manufacturing the same, the all-solid secondary battery including: an anode layer; a cathode layer; and a solid electrolyte layer between the anode layer and the cathode layer, wherein the cathode layer contains a large-particle cathode active material, a small-diameter cathode active material, and a solid electrolyte, the solid electrolyte layer includes a first solid electrolyte layer adjacent to the cathode layer and containing a first solid electrolyte, and a second solid electrolyte layer adjacent to the anode layer and containing a second electrolyte, the second solid electrolyte has a larger size than the solid electrolyte of the cathode layer or the first solid electrolyte, and the second solid electrolyte has higher ion conductivity than the first solid electrolyte.