Process for production of positive electrode active material for

Details Process for production of positive electrode active material for Process for production of positive electrode active material for

1993-01-19

1994-12-06

Maples, John S.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429224, 423594, H01M 432, H01M 450

Patent

active

053709489

ABSTRACT:
A process for the production of LiNi.sub.1-x Mn.sub.x O.sub.2 (0.005.ltoreq..times..ltoreq.0.45) as a positive electrode active material for a nonaqueous lithium secondary cell comprising a) mixing aqueous solutions of a lithium salt, a nickel salt and manganese nitrate, b) heating with stirring the solution to dryness and c) pre-calcining from 250.degree. C. to 400.degree. C., grinding and mixing the product and finally calcining from 600.degree. C. to 900.degree. C.

REFERENCES:
patent: 4567031 (1986-01-01), Riley
patent: 5169736 (1992-12-01), Bittihn et al.
patent: 5264201 (1993-11-01), Dahn et al.
E. Rossen, C. D. W. Jones, and J. R. Dahn; "Solid State Ionics" 57; pp. 311-318 (1992) (month unknown).

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