Alkaline galvanic cells

Details Alkaline galvanic cells Alkaline galvanic cells

1992-06-11

1993-06-01

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429203, 429207, H01M 1026

Patent

active

052158365

ABSTRACT:
A battery having a zinc or zinc alloy anode, a metal oxide or hydroxide cathode and an alkaline electrolyte comprising a solution of a salt formed by the reaction of boric acid, phosphoric acid or arsenic acid with an alkali or earth alkali hydroxide present in a sufficient amount to produce a stoichiometric excess of hydroxide to acid in the range of 2.5 to 11.0 equivalents per liter, and of a soluble alkali or earth or earth alkali fluoride in an amount corresponding to a concentration range of 0.01 to 1.0 equivalents per liter of total solution.

REFERENCES:
patent: 3433679 (1969-03-01), Johnson et al.
patent: 4224391 (1980-09-01), Eisenberg
patent: 4247610 (1981-01-01), Thornton
patent: 4273841 (1981-06-01), Carlson

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