C - Chemistry – Metallurgy – 25 – B
Patent
C - Chemistry, Metallurgy
25
B
204/195.1, 204/2
C25B 11/08 (2006.01) C25B 11/04 (2006.01) C25B 11/16 (2006.01) C25C 7/02 (2006.01)
Patent
CA 1190185
ABSTRACT An electrode with an outer coating for effecting an electrolytic process is provided with a protective intermediate coating consisting of a conducting insoluble polymer network formed in situ on a titanium base and containing a small amount of finely dispersed platinum group metal catalyst. The polymeric intermediate coating serves to protect the titanium base from oxidation, and to more particularly provide stable electrode performance with economical use of precious metal. A method of manufacturing the electrode comprises applying to the titanium base several layers of a solution containing a polymer precursor and a platinum metal compound which are thermally converted to the protective polymer coating, on which the outer coating is formed, more particularly by electrodepositing manganese dioxide or lead dioxide.
383214
Gauger Jurgen F.
Hinden Jean M.
Katz Michael
Eltech Systems Corporation
Gowling Lafleur Henderson Llp
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