Lithium cobaltate based positive electrode-active material for l

Details Lithium cobaltate based positive electrode-active material for l Lithium cobaltate based positive electrode-active material for l

1996-10-11

1999-04-06

Bos, Steven

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

C01G 5100, C01D 1500

Patent

active

058914161

ABSTRACT:
A lithium cobaltate based positive electrode-active material for a lithium secondary cell consisting of lithium cobaltate (LiCoO.sub.2) powder having particle properties of an n-value of at least 2.0 in Rosine-Rammler's distribution (R-.lambda.). According to the present invention, it is possible to provide a lithium cobaltate based positive electrode-active material which is excellent in discharge capacity and capacity holding rate and gives high energy density, suitable for a lithium secondary cell.

REFERENCES:
patent: 4686160 (1987-08-01), Yoshino et al.
patent: 5478673 (1995-12-01), Funatsu
patent: 5478674 (1995-12-01), Miyasaka
patent: 5487960 (1996-01-01), Tanaka
patent: 5503930 (1996-04-01), Maruyama et al.
patent: 5589298 (1996-12-01), Takada et al.

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