Method and device for evolution of oxygen with ternary electroca

Details Method and device for evolution of oxygen with ternary electroca Method and device for evolution of oxygen with ternary electroca

1982-06-28

1984-07-03

Niebling, John F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204129, C25B 110, C25B 1106

Patent

active

044578245

ABSTRACT:
A gas generating apparatus and method is described which utilizes a novel catalytic oxygen evolving electrode for such electrochemical systems as electrolysis cells and oxygen concentration cells. The electrochemical cells include a catalytic cathode and an improved catalytic anode positioned on opposite sides of, and in electrical contact with, a cation exchange membrane. A source of direct current potential between the cathode and the anode and means for removing gas from at least one of the electrodes are provided. The improved catalytic anode is a ternary platinum group reduced metal oxide alone or in combination with platinum group metals and/or platinum group metal oxides or mixtures of the foregoing having at least one valve metal component such as titanium, hafnium, zirconium, niobium, tantalum and tungsten.

REFERENCES:
patent: 3632498 (1972-01-01), Beer
patent: 4157943 (1979-06-01), Scarpellino
patent: 4191618 (1980-03-01), Coker
patent: 4311569 (1982-01-01), Dempsey
patent: 4326943 (1982-04-01), Banziger
patent: 4348268 (1982-09-01), Muller

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