Graphene-coated porous silicon-carbon composite and method of manufacturing the same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10818915
APP PUB NO 20170047584A1
SERIAL NO

15307627

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Abstract

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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.

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Patent Owner(s)

  • LG CHEM, LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hwang, Eui Yong Daejeon, KR 4 63
Kim, In Young Daejeon, KR 48 1489
Kwon, Won Jong Daejeon, KR 40 238
Lee, Jin Yeong Daejeon, KR 15 85
Sohn, Kwon Nam Daejeon, KR 16 94
Yang, Seung Bo Daejeon, KR 6 71

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