Cathode for use in electrolytic cell and the process of using th

Details Cathode for use in electrolytic cell and the process of using th Cathode for use in electrolytic cell and the process of using th

1992-12-11

1994-06-28

Gorgos, Kathryn

Chemistry: electrical and wave energy

Processes and products

204128, 204129, 204242, 204290R, 252518, C25B 104, C25B 170, C25B 1106

Patent

active

053243951

ABSTRACT:
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-oxidizing atmosphere.

REFERENCES:
patent: 4100049 (1977-07-01), Brannan
patent: 4465580 (1979-02-01), Kasuya
patent: 4543265 (1984-02-01), Kasuya
patent: 4877508 (1988-10-01), Morimoto et al.
patent: 5021304 (1989-03-01), Ruka et al.
Hall et al, Hydrogen Evolution Cathodes With AB.sub.5 -Catalyzed Coatings, Inco Alloys International, Inc., pp. 184-194.
Hall, Plasma-sprayed nickel cathode coatings for hydrogen evolution in alkaline electrolytes, Journal of Applied Electrochemistry, vol. 14, 1984, pp. 107-115.
Semenenko et al, Electrochemical Properties of Intermetallic Hydride-Polymeric Binder Composite Electrodes, Plenum Publishing Corporation, 1984, pp. 525-527.
Patent Abstracts of Japan, re: JP-A-54-090-080. Dec. 1977.
Patent Abstracts of Japan, re: JP-A-51-117-181. Oct. 1976.

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