NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME

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United States of America Patent

APP PUB NO 20180026257A1
SERIAL NO

15655258

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Abstract

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A negative active material for a rechargeable lithium battery includes a silicon-carbon composite including a core including a crystalline carbon material, a silicon oxide, and a silicon particle and an amorphous carbon-containing coating layer on the surface of the core. An intensity ratio (Si/SiO2) of a Si peak relative to a SiO2 peak ranges from about 2.0 to about 3.0 as measured using an X-ray photoelectron spectroscopy for the negative active material.

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Patent Owner(s)

Patent OwnerAddress
SAMSUNG SDI CO LTD150-20 GONGSE-RO GIHEUNG-GU GYEONGGI-DO YONGIN-SI 17084

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
OH, Doori Yongin-si, KR 19 4
YOUM, Chul Yongin-si, KR 18 81

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  • 3 Citation Count
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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges8301649116263101 - 1011 - 2021 - 3031 - 4041 - 500100200300400500600700800900100011001200130014001500160017001800

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