Alkaline manganese dioxide cell

Details Alkaline manganese dioxide cell Alkaline manganese dioxide cell

1995-06-07

1996-02-06

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

H01M 450

Patent

active

054894930

ABSTRACT:
A hermetically sealed alkaline cell having an anode such as a zinc anode, an aqueous alkaline electrolyte solution and a manganese dioxide cathode in which the cathode is composed of a mixture of a minor amount of highly porous manganese dioxide and a major amount of low porosity manganese dioxide and wherein said mixture provides ion diffusion paths through the cathode.

REFERENCES:
patent: 3748184 (1973-07-01), Witherspoon
patent: 4105830 (1978-08-01), Kordesch
patent: 4121018 (1978-10-01), Kocherginsky et al.
patent: 4894296 (1990-01-01), Borbely et al.
patent: 5079106 (1992-01-01), Urry
patent: 5277890 (1994-01-01), Wang et al.
Japanese Patent Abstract JP-A-58-32370 Feb. 25, 1983.
Japanese Patent Abstract JP-A-59-86159 May 18, 1984.
Japanese Patent Abstract JP-A-58-157068 Sep. 19, 1983.

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