Method for improving stability of Li/MnO.sub.2 cells

Details Method for improving stability of Li/MnO.sub.2 cells Method for improving stability of Li/MnO.sub.2 cells

1980-07-25

1982-05-04

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

Preserving cell in storage feature

429 50, 429194, 429224, H01M 408

Patent

active

043282881

ABSTRACT:
A method for improving the stability of Li/MnO.sub.2 cells having organic electrolytes subject to gaseous decomposition and a manganese dioxide cathode having absorbed water therein in excess of crystalline bound water, with said manganese dioxide and absorbed water causing said gaseous decomposition. Said method comprises the step of predischarging said cell up to 5% of cell capacity prior to extended storage.

REFERENCES:
patent: 4163829 (1979-08-01), Kronenberg
patent: 4195122 (1980-03-01), Margalit et al.
patent: 4264689 (1981-04-01), Moses

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