Method of preparing negative active material containing a carbon-coated silicon core for a rechargeable lithium battery and a rechargeable lithium battery

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United States of America Patent

PATENT NO 9306209
APP PUB NO 20110256452A1
SERIAL NO

13006921

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention provides a method of preparing a negative active material for a rechargeable lithium battery, comprising the steps of: mixing a silicon precursor, a surfactant comprising an ammonium halide salt having a organic group, an initiator, and a solvent; heat-treating the mixture; cooling the heat-treated mixture to room temperature; washing the cooled, heat treated mixture; and calcining the washed product.

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Patent Owner(s)

  • LG CHEM, LTD.;UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cho, Jaephil Ulsan, KR 34 280
Kim, Hye-Jung Ulsan-si, KR 20 155
Kim, Je-Young Daejeon, KR 150 1116
Kim, Ki-Tae Daejeon, KR 126 912
Park, Mi-Hee Gyeongsangnam-do, KR 7 43
Seo, Min-Ho Daegu, KR 9 37

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