Electrode coated with lead or a lead alloy and method of use

Details Electrode coated with lead or a lead alloy and method of use Electrode coated with lead or a lead alloy and method of use

1983-02-16

1984-07-10

Niebling, John F.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204108, 204112, 204114, 204290R, 204290F, C25C 112, C25B 1100

Patent

active

044591896

ABSTRACT:
An electrode in particular an oxygen-evolving anode for metal electrowinning from an acid electrolyte comprises a body of aluminum or other metal coated with lead or a lead alloy by electroplating preferably from a non-aqueous electrolyte. The substrate can be a sheet of aluminium or compacted particles of aluminium plated with lead or a lead alloy. A sheet of lead or lead alloy is clad to the electroplated substrate and advantageously an electrocatalytic material such as surface-activated valve metal sponge is applied to the surface of the lead or lead alloy.

REFERENCES:
patent: 4373654 (1983-02-01), Perngaman
patent: 4380493 (1983-04-01), Wortley

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