POSITIVE ELECTRODE ACTIVE MATERIAL COMPLEX FOR LITHIUM-ION SECONDARY BATTERY, SECONDARY BATTERY USING SAME, AND METHOD FOR PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL COMPLEX FOR LITHIUM-ION SECONDARY BATTERY

WIPO Patent Application WO/2018/220972

A1

Provided is a positive electrode active material complex for a lithium-ion secondary battery that can effectively improve high temperature cycle characteristics when used as a positive electrode active material in a lithium-ion secondary battery. A positive electrode active material complex for a lithium-ion secondary battery formed by producing a complex, under specific conditions, of lithium oxide complex particles, and lithium-based polyanion particles (B) formed by supporting carbon (c) on the surface and represented by formula (III) or formula (III)' only on the surface of lithium oxide complex secondary particles (A) formed from one or more types of lithium oxide complex particles represented by formula (I) or formula (II). Formula (I): LiNiaCobMncM1 xO2 Formula (II): LiNidCoeAlfM2 yO2 Formula (III): LiMngFehM3 zPO4 Formula (III)': Mnh'Fei'M3 z'PO4

YAMASHITA HIROKI (JP)
HIRAYAMA YUKO (JP)
SHIMADA TOSHIHITO (JP)
OGAMI TAKAAKI (JP)
YOSHIDA SHUHEI (JP)
SUZUKI SATORU (JP)

PCT/JP2018/012666

December 06, 2018

March 28, 2018

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TAIHEIYO CEMENT CORP (JP)
DENSO CORP (JP)

H01M4/525; H01M4/36; H01M4/505; H01M4/58

WO2008105490A1	2008-09-04
WO2016047491A1	2016-03-31

JP2013149615A	2013-08-01
JP2016184569A	2016-10-20
JP2011502332A	2011-01-20
JP2010517238A	2010-05-20
JP2016072029A	2016-05-09
JP2004087299A	2004-03-18
JP2007335245A	2007-12-27

THE PATENT CORPORATE BODY ARUGA PATENT OFFICE (JP)

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