Non-aqueous electrolyte secondary battery

Details Non-aqueous electrolyte secondary battery Non-aqueous electrolyte secondary battery

2006-08-09

2010-02-02

Dove, Tracy (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S224000, C429S231300

Reexamination Certificate

active

07655357

ABSTRACT:
A non-aqueous electrolyte secondary battery uses as its positive electrode active material a mixture of a first lithium-containing transition metal oxide containing nickel and manganese as transition metals and having a crystal structure belonging to the space group R3m and a second lithium-containing transition metal oxide containing nickel, cobalt, and manganese as transition metals and having a crystal structure belonging to the space group R3m, or a mixture of the first lithium-containing transition metal oxide and a lithium cobalt oxide. The first lithium-containing transition metal oxide is LiaNixMnyO2wherein 1≦a≦1.5, 0.5≦x+y≦1, 0<x<1, and 0<y<1. The second lithium-containing transition metal oxide is LibNipMnqCorO2wherein 1≦b≦1.5, 0.5≦p+q+r≦1, 0<p<1, 0<q<1, and 0<r<1.

REFERENCES:
patent: 2003/0108793 (2003-06-01), Dahn et al.
patent: 2005/0202316 (2005-09-01), Hwang et al.
patent: 2002-100356 (2002-04-01), None
patent: 2003-92108 (2003-03-01), None

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