Positive electrode active material, production method thereof and non-aqueous electrolyte secondary battery
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United States of America Patent
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Mar 2, 2010
Grant Date -
Mar 20, 2003
app pub date -
Sep 12, 2002
filing date -
Sep 13, 2001
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Abstract
A positive electrode active material for a non-aqueous electrolyte battery comprising a lithium-containing transition metal oxide, produced with the use of a dry precursor obtained by: introducing an alkaline solution together with an aqueous solution containing two or more of transition metal salts or two kinds or more of aqueous solutions of different transition metal salts into a reaction vessel to obtain a hydroxide or an oxide as a precursor through coprecipitation with a reductant being coexistent or an inert gas being supplied; and drying the precursor at 300 to 500° C. to obtain a dry precursor.
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