Method of producing positive electrode active material for...

Details Method of producing positive electrode active material for... Method of producing positive electrode active material for...

2007-01-02

2007-01-02

Kopec, Mark (Department: 1751)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S218100, C429S231100, C429S231600, C252S518100, C252S519100, C423S594500, C423S594600

Reexamination Certificate

active

10750861

ABSTRACT:
A method of producing a positive electrode active material for a non-aqueous electrolyte secondary battery, comprising the steps of: (a) preparing a raw material mixture, comprising “nx” mol of magnesium, “ny” mol of an element M where the element M is at least one selected from the group consisting of Al, Ti, Sr, Mn, Ni and Ca, “n(1−x−y)” mol of cobalt and “nz” mol of lithium, such that the values n, x, y and z satisfy 0<n, 0.97≦(1/z)≦1, 0.005≦x≦0.1, and 0.001≦y≦0.03; and (b) baking the raw material mixture in an oxidization atmosphere at 1000 to 1100° C.

REFERENCES:
patent: 6372385 (2002-04-01), Kweon et al.
patent: 6569569 (2003-05-01), Kweon et al.
patent: 6932922 (2005-08-01), Gao et al.
patent: 5-266889 (1993-10-01), None
patent: 6-338323 (1994-12-01), None
patent: 2001-319652 (2001-11-01), None
patent: P2002-198051 (2002-07-01), None

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