Coated electrode and a method of its production

Details Coated electrode and a method of its production Coated electrode and a method of its production

1981-01-23

1982-08-24

Edmundson, F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

429228, 429245, C25B 1116, C25C 702, H01M 402

Patent

active

043459870

ABSTRACT:
A coated electrode having excellent electric conductivity and resistance against corrosion is obtained by electrodepositing lead dioxide on the surface of an alloy which consists of lead and silver.
Prior to electrodepositing lead dioxide, the alloy is anodically oxidized beforehand in a solution of sulfate such that the surface of the alloy is oxidized. This enables the lead dioxide to be electrodeposited even in an acidic electrolyte.

REFERENCES:
patent: 3616323 (1971-10-01), Covitz
patent: 3644182 (1972-02-01), Wittel
patent: 4064035 (1977-12-01), Fukawasa

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