Carbon compound-adsorbed cathode active material and lithium...

Details Carbon compound-adsorbed cathode active material and lithium... Carbon compound-adsorbed cathode active material and lithium...

2008-01-01

2008-01-01

Ryan, Patrick Joseph (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S061000, C429S221000, C429S223000, C429S224000, C429S231300, C429S231800

Reexamination Certificate

active

07314683

ABSTRACT:
A cathode active material is prepared by mixing a transition metal compound and a lithium compound in a molar ratio of 1:1.0-1:1.2 and thermally treating the mixture while supplying CO2and O2in a ratio of partial pressures ranging from 1:0.001-1:1,000, and a lithium battery utilizes the cathode active material. The lithium battery ensures safety against over-charging because an overflow of current may be effectively cut off without reducing discharging capacity and cycle life characteristics.

REFERENCES:
patent: 5427875 (1995-06-01), Yamamoto et al.
patent: 5707756 (1998-01-01), Inoue et al.
patent: 6692873 (2004-02-01), Park et al.
patent: 10-302779 (1998-11-01), None
patent: 2003-015115 (2003-01-01), None
patent: 2002-0053738 (2002-07-01), None

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