Cathode for zinc air cells

Details Cathode for zinc air cells Cathode for zinc air cells

1987-10-27

1990-01-16

Kalafut, Stephen J.

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 42, 427115, 269122, H01M 400, B29C 5900

Patent

active

048942960

ABSTRACT:
The invention relates to an improved hydrophobic cathode for use in a zinc-air cell, and to a method for making said cathode. The cathode comprises an admixture of discrete particles of gamma manganese dioxide and carbon and a polymeric halogenated hydrocarbon. The method includes the step of intensively milling the manganese dioxide to reduce the particle size thereof and homogeneously admixing the manganese dioxide with the carbon particles.

REFERENCES:
patent: 3925100 (1975-12-01), Buzzolli
patent: 4172183 (1979-10-01), Ruetschi
patent: 4248744 (1981-02-01), Masar et al.
patent: 4280973 (1981-07-01), Moskowitz et al.
patent: 4317789 (1982-03-01), Groult et al.
patent: 4604336 (1986-08-01), Nardi

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