Active material of positive electrode for nonaqueous...

Details Active material of positive electrode for nonaqueous... Active material of positive electrode for nonaqueous...

2008-09-09

2008-09-09

Ryan, Patrick (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S231600, C429S231300, C429S220000

Reexamination Certificate

active

10513925

ABSTRACT:
A positive electrode active material for a non-aqueous electrolyte secondary battery includes a particle of a composite oxide which contains Li and Co, wherein: the composite oxide further contains an element M1and an element M2; the element M1is at least one selected from the group consisting of Mg, Cu and Zn; the element M2is at least one selected from the group consisting of Al, Ca, Ba, Sr, Y and Zr; the element M1is uniformly distributed in the particle; and the element M2is distributed in the surface portion of the particle more than in the inside thereof.

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