Additive for an alkaline battery employing divalent silver oxide

Details Additive for an alkaline battery employing divalent silver oxide Additive for an alkaline battery employing divalent silver oxide

1977-04-21

1978-03-07

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429219, H01M 606

Patent

active

040781275

ABSTRACT:
An alkaline battery having a divalent silver oxide (AgO) positive active material (cathode) in which a sulfide additive is incorporated into the alkaline electrolyte on the positive side of the battery separator or barrier or is added to the positive active material is provided. The sulfide additive improves the stability of the divalent silver oxide (AgO) active material in the aqueous alkaline electrolyte without adversely affecting the electrochemical reaction during the discharge of the battery. The additive consists of a sulfide of cadmium, calcium, mercury, tin, tungsten, or mixtures thereof.

REFERENCES:
patent: 3575723 (1971-04-01), Jerabek
patent: 3580740 (1971-05-01), James
patent: 3639176 (1972-02-01), Nordblom et al.
patent: 3650832 (1972-03-01), Tvarusko
patent: 3853623 (1974-12-01), Davis
patent: 3959012 (1976-05-01), Liang et al.

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