Cathode for use in electrolytic cell

Details Cathode for use in electrolytic cell Cathode for use in electrolytic cell

C - Chemistry, Metallurgy

25

B

C25B 11/04 (2006.01) C23C 4/00 (2006.01) C25B 1/04 (2006.01) C25B 9/00 (2006.01)

Patent

CA 2084811

CPR 36687 ABSTRACT CATHODE FOR USE IN ELECTROLYTIC CELL Durable low hydrogen over-voltage cathodes bearing a coating which has an outer layer which comprises at least 10% cerium oxide by XRD and at least one non-noble Group 8 metal. Such cathodes may be prepared by a process involving at least the steps of coating a metallic substrate with an interim coating comprising cerium oxide and at least one non-noble Group 8 metal by plasma spraying an intermetallic compound of cerium and nickel and heating the interim coating in a non-oxidising atmosphere.

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