Hydrogen evolution inhibitors for cells having zinc anodes

Details Hydrogen evolution inhibitors for cells having zinc anodes Hydrogen evolution inhibitors for cells having zinc anodes

1978-11-03

1980-03-25

Lefevour, Charles F.

Chemistry: electrical current producing apparatus, product, and

Process of cell operation

429 57, 429198, 429206, 429229, H01M 1044

Patent

active

041951204

ABSTRACT:
Hydrogen evolution in cells having zinc anodes is reduced or eliminated by incorporating in the cell a surfactant which is a complex phosphate ester of a surfactant of the ethylene oxide-adduct type. This surfactant is added in such a manner that, directly or upon wetting of the anode by the electrolyte, there is an adsorption of surfactant on the surface of the zinc anode material, whereby hydrogen evolution is inhibited. The surfactant is desirably present in the cell in an amount of from 0.001% to 5% by weight of the zinc component of the cell.

REFERENCES:
patent: 3057944 (1962-10-01), Ruetschi et al.
patent: 3348973 (1967-10-01), Dirkse
patent: 3653965 (1972-04-01), Lee
patent: 3847669 (1974-11-01), Paterniti
patent: 3963520 (1976-06-01), Bauer et al.

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