Galvanic primary cell

Details Galvanic primary cell Galvanic primary cell

1989-11-15

1991-02-19

Kalafut, Stephen J.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429229, H07M 606

Patent

active

049943332

ABSTRACT:
In an acid-type primary cell with a zinc anode containing non-toxic or only little harmful substances, the usual toxic components of the zinc alloy such as mercury and cadmium are replaced by at least one of the elements indium and bismuth, and by at least one of the elements magnesium and lithium. These nonpoisonous substitutes inhibit hydrogen on the zinc and provide a degree of mechanical tensile strength with more conventional zinc anodes. Additionally, a slight amount of lead is alloyed with the zinc anode to maintain ductility during the rolling process and as a supplemental protection against corrosion.

REFERENCES:
patent: 2960558 (1960-11-01), Marsal et al.
patent: 4592974 (1986-06-01), Takeda et al.
patent: 4735876 (1988-04-01), Miura et al.

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