Alkaline primary cell

Details Alkaline primary cell Alkaline primary cell

1978-04-26

1979-10-23

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode or plural tablets, pellets or discs

429144, 429162, 429224, 429249, H01M 606

Patent

active

041721837

ABSTRACT:
An alkaline primary cell comprising a positive electrode having an upper layer, facing the negative electrode, of electrolytic .gamma.-manganese dioxide to which 6-16% of graphite powder having a broad grain-size range has been added as a conducting additive. Disposed beneath this upper layer is at least one further layer containing .gamma.-manganese dioxide, mercuric oxide, or monovalent silver oxide having a higher apparent specific gravity than the upper layer. A separator comprising at least one membrane layer is situated above the positive electrode.

REFERENCES:
patent: 2591532 (1952-04-01), Fox
patent: 3600231 (1971-08-01), Dawson
patent: 3657018 (1972-04-01), Ruetschi
patent: 3920478 (1975-11-01), Kozawa
patent: 3956018 (1976-05-01), Kozawa
patent: 3961985 (1976-06-01), Takamura et al.

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