Method for inhibiting corrosion in particulate zinc

Details Method for inhibiting corrosion in particulate zinc Method for inhibiting corrosion in particulate zinc

1990-12-31

1993-08-03

Niebling, John

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

252387, 422 7, H01M 442

Patent

active

052327981

ABSTRACT:
A method for the inhibition of corrosion in particulate zinc, comprises the step of subjecting the zinc in the form of an alkaline slurry to the action of a corrosion inhibiting effective amount of a corrosion inhibitor which is at least one oxide selected from the oxides of antimony, bismuth, cadmium, gallium, indium, lead, mercury, thallium and tin, and which preferably constitutes 0.05-4.0 parts by weight, based on the weight of the zinc. The particulate zinc may be that recovered electrolytically from at least partially spent electrolyte from a zinc-air battery. Corrosion inhibited particulate zinc which has been treated according to the above method, as well as a mixture of (untreated) particulate zinc with such treated zinc, also form part of the invention.

REFERENCES:
patent: 4957826 (1990-09-01), Cheiky

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