Precursor of positive electrode active material for nonaqueous electrolyte secondary batteries and production method thereof and positive electrode active material for nonaqueous electrolyte secondary batteries and production method thereof

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United States of America Patent

PATENT NO 11742479
APP PUB NO 20190341610A1
SERIAL NO

16509941

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Abstract

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Provided is a precursor of a positive electrode active material containing, in a reduced amount, impurities which do not contribute to a charge/discharge reaction but rather corrode a firing furnace and peripheral equipment and thus having excellent battery characteristics and safety, and production method thereof.

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Patent Owner(s)

  • SUMITOMO METAL MINING CO. LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aida, Taira Niihama, JP 29 92
Toya, Hiroyuki Niihama, JP 52 534

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