C - Chemistry – Metallurgy – 25 – D
Patent
C - Chemistry, Metallurgy
25
D
204/19, 204/196
C25D 5/28 (2006.01) C25B 11/04 (2006.01) C25C 7/02 (2006.01) C25D 3/36 (2006.01) C25D 3/56 (2006.01) C25D 5/38 (2006.01) C25D 5/44 (2006.01)
Patent
CA 1232227
ELECTRODE COATED WITH LEAD OR A LEAD ALLOY AND METHOD OF MANUFACTURE ABSTRACT An electrode in particular an oxygen-evolving anode for metal electrowinning from an acid electrolyte comprises a body of aluminium 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 sheet.
419585
Beer Henri B.
Ernst Siegfried
Fresnel Jean-Marie
Nguyen Thinh
Vance Christopher
Eltech Systems Corporation
Gowling Lafleur Henderson Llp
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