Sandwich-type electrode

Details Sandwich-type electrode Sandwich-type electrode

1982-04-15

1983-11-08

Niebling, John F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204252, 204129, 2524253, 264 62, 502101, C25B 900, C25B 1112

Patent

active

044140924

ABSTRACT:
Disclosed is an improvement on a method of making an electrode wherein a suspension in a liquid is prepared of a powdered catalyst containing a noble metal, carbon powder and a binder, and the suspension is poured over a carbon substrate dried, compressed and sintered to form a solid catalyst layer bonded to the carbon substrate. The improvement is placing a carbon paper on the catalyst layer prior to compressing. The improved electrode can be used as either a cathode or an anode in a sulfur dioxide depolarized electrolyzer in a process for producing hydrogen from water.

REFERENCES:
patent: 2062370 (1934-05-01), Miller
patent: 3174895 (1965-03-01), Gibson
patent: 3477940 (1969-11-01), Grangaard
patent: 3944686 (1976-03-01), Froberg
patent: 4043933 (1977-08-01), Breault
patent: 4236993 (1980-12-01), Muller
patent: 4349428 (1982-09-01), Lu et al.

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