COMPOSITE PARTICLES, METHOD FOR MANUFACTURING SAME, ELECTRODE, AND NON-AQUEOUS ELECTROLYTE SECONDARY CELL

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United States of America Patent

APP PUB NO 20160181601A1
SERIAL NO

14906587

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An object of the present invention is to provide a negative electrode active material that can bring about improved charge/discharge cycle characteristics of nonaqueous electrolyte secondary cells that use silicon-containing particles as the negative electrode active material, and to provide a method for manufacturing the negative electrode active material. The method for manufacturing composite particles according to the present invention includes a mixing step and an annealing step. In the mixing step, a mixed powder is produced by mixing silicon phase-containing particles with a thermoplastic organic material powder. The mixed powder is annealed in the annealing step. The composite particles according to the present invention are obtained by this method for manufacturing composite particles.

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Patent Owner(s)

Patent OwnerAddress
NIPPON STEEL & SUMITOMO METAL CORPORATIONTOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
FUJIWARA, Tooru Tokyo, JP 9 34
NEGI, Noriyuki Tokyo, JP 23 106
USUI, Masafumi Tokyo, JP 2 1

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