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    Rechargeable lithium battery
    1.
    发明授权
    Rechargeable lithium battery 有权

    公开(公告)号：US11424453B2

    公开(公告)日：2022-08-23

    申请号：US16575244

    申请日：2019-09-18

    Applicant: Samsung SDI Co., Ltd.

    Inventor： Jin-Hyeok Lim ,  Hyejin Park ,  Myungheui Woo ,  Hyunbong Choi ,  Harim Lee

    IPC: H01M4/62 ,  H01M4/36 ,  H01M10/0568 ,  H01M10/0567 ,  H01M10/0525 ,  H01M4/66 ,  H01M50/531

    Abstract: A rechargeable lithium battery includes a positive electrode, a negative electrode, and an electrolyte including a lithium salt, wherein at least one of the positive electrode and the negative electrode includes a current collector, an electrode tab extending from the current collector, an active material layer disposed on the current collector, and a passivation film formed on at least one of the current collector and the electrode tab. The passivation film includes a material represented by Chemical Formula 1: CuX(POF2)nY2Z,  Chemical Formula 1 wherein, in Chemical Formula 1, X is a C1 to C10 alkylene group, Y is represented by Chemical Formula 2, Z is an anion group of the lithium salt, and n is 1 or 2: NC—R1—CN, (wherein, R1 is a C1 to C10 alkylene group).  Chemical Formula 2

    Lithium secondary battery
    7.
    发明授权
    Lithium secondary battery 有权

    公开(公告)号：US11038204B2

    公开(公告)日：2021-06-15

    申请号：US16655126

    申请日：2019-10-16

    Applicant: Samsung SDI Co., Ltd.

    Inventor： Pavel Shatunov ,  Olga Tsay ,  Aeran Kim ,  Hyunbong Choi ,  Jin-Hyeok Lim ,  Jungmin Han ,  Myunghwan Jeong ,  Soojin Kim

    IPC: H01M6/04 ,  H01M10/0567 ,  H01M10/0525 ,  H01M4/587 ,  C07F9/06 ,  H01M10/0568 ,  H01M4/02

    Abstract: The present invention relates to a lithium secondary battery including a positive electrode including a positive active material layer, the positive active material layer including a positive active material and a carbonaceous nanostructure; a negative electrode including a negative active material; and an electrolyte. The electrolyte includes a non-aqueous organic solvent, a lithium salt, and an additive including a compound represented by Chemical Formula 1, wherein the amount of the carbonaceous nanostructure is about 0.5 wt % or more and less than 4 wt % based on 100 wt % of the total amount of the positive active material layer. wherein, in Chemical Formula 1, A is a substituted or unsubstituted aliphatic chain or (—C2H4—O—C2H4-)n, and n is an integer from 1 to 10.

    CYCLOTRIPHOSPHAZENE COMPOUND, METHOD OF PREPARING THE SAME, ELECTROLYTE FOR LITHIUM SECONDARY BATTERY INCLUDING THE CYCLOTRIPHOSPHAZENE COMPOUND, AND LITHIUM SECONDARY BATTERY INCLUDING THE ELECTROLYTE
    9.
    发明申请
    CYCLOTRIPHOSPHAZENE COMPOUND, METHOD OF PREPARING THE SAME, ELECTROLYTE FOR LITHIUM SECONDARY BATTERY INCLUDING THE CYCLOTRIPHOSPHAZENE COMPOUND, AND LITHIUM SECONDARY BATTERY INCLUDING THE ELECTROLYTE 有权
    环糊精化合物，其制备方法，包括环磷酰胺化合物的锂二次电池的电解质和包括电解质的锂二次电池

    公开(公告)号：US20140178752A1

    公开(公告)日：2014-06-26

    申请号：US14139801

    申请日：2013-12-23

    Applicant: SAMSUNG SDI CO., LTD.

    Inventor： Young Sam Park ,  Ho-Seok Yang ,  Yun-Hee Kim ,  Jin-Hyeok Lim ,  Hee-Yeon Hwang

    IPC: H01M10/0567 ,  H01M10/052

    CPC classification number: H01M10/0567 ,  C08G59/4071 ,  H01M10/052 ,  H01M10/0568 ,  Y02E60/122

    Abstract: A cyclotriphosphazene compound comprising a fluorinated cyclotriphosphazene compound having at least one fluorine atom substituted with a group represented by Formula 1 below, a method of preparing the cyclotriphosphazene compound, an electrolyte including the cyclotriphosphazene compound, and a lithium secondary battery including the electrolyte are provided: *A-[B—CN]x   [Formula 1] A being a heteroatom having an unshared electron pair; * representing a binding site for bonding the group represented by Formula 1 to a phosphorus (P) atom of the fluorinated cyclotriphosphazene compound; B being a substituted or unsubstituted C1-C5 alkylene group; and x being 1 or 2.

    Abstract translation: 提供一种环三磷腈化合物，其包含具有至少一个氟原子的氟代环三磷腈化合物，其具有由下式1表示的基团取代的基团，制备环三磷腈化合物的方法，包含环三磷腈化合物的电解质和包含电解质的锂二次电池。 * A- [B-CN] x [式1] A是具有非共享电子对的杂原子; *表示用于将由式1表示的基团键合到氟化环三磷腈化合物的磷（P）原子的结合位点; B是取代或未取代的C 1 -C 5亚烷基; x为1或2。

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