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    GRAPHENE-COATED POROUS SILICON-CARBON COMPOSITE AND METHOD OF MANUFACTURING THE SAME
    1.
    发明申请
    GRAPHENE-COATED POROUS SILICON-CARBON COMPOSITE AND METHOD OF MANUFACTURING THE SAME 审中-公开
    石墨包覆的多孔硅碳复合材料及其制造方法

    公开(公告)号：US20170047584A1

    公开(公告)日：2017-02-16

    申请号：US15307627

    申请日：2015-05-08

    Applicant: LG CHEM,LTD.

    Inventor： Eui Yong HWANG ,  In Young KIM ,  Jin Yeong LEE ,  Won Jong KWON ,  Kwon Nam SOHN ,  Seung Bo YANG

    IPC: H01M4/36 ,  H01M4/38 ,  H01M4/587 ,  H01M4/04 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/48

    Abstract: Provided are a porous silicon-carbon composite, which includes a core including a plurality of active particles, a conductive material formed on at least a portion of surfaces of the active particles, first pores, and second pores, and a first shell layer which is coated on the core and includes graphene, wherein the active particles include a plurality of silicon particles, silicon oxide particles, or a combination thereof, the first pores are present in the core and are formed by agglomeration of the plurality of active particles, and the second pores are irregularly dispersed and present in the core, has an average particle diameter smaller than an average particle diameter of the active particles, and are spherical, a method of manufacturing the same, and a negative electrode and a lithium secondary battery including the porous silicon-carbon composite.

    Abstract translation: 提供一种多孔硅 - 碳复合材料，其包括包含多个活性颗粒的芯，在活性颗粒表面的至少一部分上形成的导电材料，第一孔和第二孔，以及第一壳层， 涂覆在芯上并且包括石墨烯，其中活性颗粒包括多个硅颗粒，氧化硅颗粒或其组合，第一孔存在于芯中并且由多个活性颗粒的附聚形成，并且 第二孔不规则地分散存在于芯中，平均粒径小于活性粒子的平均粒径，为球状，其制造方法，负极和含有多孔的锂二次电池 硅碳复合材料。

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