ANODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE ELECTROCHEMICAL CELL AND NONAQUEOUS ELECTROLYTE ELECTROCHEMICAL CELL USING IT

Title:

ANODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE ELECTROCHEMICAL CELL AND NONAQUEOUS ELECTROLYTE ELECTROCHEMICAL CELL USING IT

Document Type and Number:

Japanese Patent JP2006107760

Kind Code:

A

Abstract:

To provide an anode active material of a nonaqueous electrolyte secondary battery with a base discharge potential (vs.Li/Li+), of low cost and excellent in charge/discharge cycle performance.

Oxide containing nickel and manganese expressed in formula: NixMnyOz (provided, 0.45≤x≤0.55, 0.9≤x+y≤1.1, 1.0≤z≤2.0) is used as the anode active material for the nonaqueous electrolyte electrochemical cell. Further, the above oxide has a half-value width at a diffraction peak appearing at 15°<2θ<20° and 30°<2θ<45° of 5°(2θ) or more in an X-ray diffraction method using CuKα beams.

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Inventors:

RYU KOKO
MATSUDA KOJI
IMAI YOSHIHIRO

Application Number:

JP2004288793A

Publication Date:

April 20, 2006

Filing Date:

September 30, 2004

Export Citation:

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Assignee:

GS YUASA CORP
KANSAI ELECTRIC POWER CO

International Classes:

H01M4/02; H01M4/50; H01M4/52; H01M10/05

Domestic Patent References:

JP2005353330A	2005-12-22
JP2005302619A	2005-10-27

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