Lithium secondary battery

Details Lithium secondary battery Lithium secondary battery

1995-06-07

1998-01-06

Willis, Jr., Prince

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429194, H01M 448

Patent

active

057052964

ABSTRACT:
A lithium secondary battery comprising a positive electrode composed of a positive electrode active material comprising at least one member selected from the group consisting of lithium phosphate, lithium-cobalt phosphate, cobalt oxide, and lithium-cobalt oxide, such that the molar ratio of cobalt:phosphorus:lithium is more than 0.1: more than 0.2:1, a negative electrode, and an electrolyte. The lithium secondary battery of the invention has high energy density leading to high discharge capacity, high electromotive force, and high discharge voltage, and excellent cycle properties.

REFERENCES:
patent: 3736184 (1973-05-01), Dey et al.
patent: 4223080 (1980-09-01), Auborn
patent: 4751158 (1988-06-01), Uchiyama et al.
patent: 5187035 (1993-02-01), Miyabayashi et al.
patent: 5196278 (1993-03-01), Idota
patent: 5246796 (1993-09-01), Nagamine et al.
patent: 5286582 (1994-02-01), Takaro et al.
Journal of Power Sources, vol. 40, No. 3, Dec. 15, 1992, pp. 347-353 "Synthesis of LiCoO.sub.2 from cobalt-organic acid complexes and its electrode behaviour in a lithium secondary battery".

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