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    RECHARGEABLE LITHIUM BATTERY
    1.
    发明公开
    RECHARGEABLE LITHIUM BATTERY 审中-公开

    公开(公告)号：EP4239748A1

    公开(公告)日：2023-09-06

    申请号：EP22879573.8

    申请日：2022-03-30

    申请人： Samsung SDI Co., Ltd.

    发明人： RA, Hana ,  LEE, Tae Jin ,  KIM, Minseo ,  WOO, Myungheui ,  PARK, Hyejin ,  RYU, Bokyung

    IPC分类号： H01M10/0567 ,  H01M4/525 ,  H01M4/505 ,  H01M10/052

    摘要： Provided is a rechargeable lithium battery including an electrolyte including a non-aqueous organic solvent, a lithium salt, and an additive; a positive electrode including a positive electrode active material; and a negative electrode including a negative electrode active material, wherein the additive includes at least one of the first compound and the second compound, the first compound is a substituted or unsubstituted C1 to C20 alkyl group including at least one nitrile group, a substituted or unsubstituted C2 to C20 alkenyl group including at least one nitrile group, a substituted or unsubstituted C2 to C20 alkynyl group including at least one nitrile group, a substituted or unsubstituted C1 to C20 alkoxy group including at least one nitrile group, a substituted or unsubstituted C6 to C20 aryl group including at least one nitrile group, or a combination of thereof, the second compound is cyclic phosphazene, and the positive electrode active material includes cobalt-free lithium nickel manganese-based oxide.