Nonaqueous electrolyte secondary battery

Details Nonaqueous electrolyte secondary battery Nonaqueous electrolyte secondary battery

1992-03-12

1992-12-01

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429218, H01M 1040

Patent

active

051680190

ABSTRACT:
A nonaqueous electrolyte secondary battery includes a cathode of a carbon material that can be doped or undoped with lithium, an anode of a primary active material composed of a composite oxide of lithium and cobalt, the cathode and the anode being disposed in a casing. LiPF.sub.6 is dissolved in a solvent of propylene carbonate and 1,2-dimethoxyethane, and a powder of Al.sub.2 O.sub.3 is dispersed in the solution. The dispersion is poured as an electrolytic solution in the casing.

REFERENCES:
patent: 4228229 (1980-10-01), Gabano et al.
patent: 4367266 (1983-01-01), Kalnoki-Kis
patent: 4804596 (1989-02-01), Ebner et al.
patent: 4818647 (1989-04-01), Plichta et al.
patent: 4960657 (1990-10-01), Masuda et al.
patent: 4983476 (1991-01-01), Slane et al.
patent: 5053297 (1991-10-01), Yamahira et al.
patent: 5110696 (1992-05-01), Shokoohi et al.

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