Zinc-alkaline battery

Details Zinc-alkaline battery Zinc-alkaline battery

1987-03-19

1989-08-29

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429229, 429230, H01M 440

Patent

active

048616885

ABSTRACT:
This invention uses as the anode active material a zinc alloy containing Ni, at least one element selected from In, Pb, Ga and Cd and, optionally further, one element selected from Al, Mg, Ca, Ba and Sr for the anode of a conventional zinc-alkaline battery which employs zinc as the anode active material, aqueous alkaline solution as the electrolyte, and manganese dioxide, silver oxide, oxygen and so forth as the cathode active material. The use of such zinc alloy permits the reduction of the amount of mercury to be used for amalgamation of the anode zinc surface which is made for the purpose of corrosion inhibition, thereby enabling the provision of a low-pollution zinc-alkaline battery.

REFERENCES:
patent: 4376810 (1983-03-01), Takeda et al.
patent: 4500614 (1985-02-01), Nagamine et al.
patent: 4585716 (1986-04-01), Chalilpoyil et al.
patent: 4735876 (1988-04-01), Miura et al.

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