Method for evolution of oxygen with ternary electrocatalysts con

Details Method for evolution of oxygen with ternary electrocatalysts con Method for evolution of oxygen with ternary electrocatalysts con

1983-12-22

1987-11-17

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204290F, 204283, C25B 102

Patent

active

047072296

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: 3980053 (1976-09-01), Horvath
patent: 4039409 (1977-08-01), LaConti et al.
patent: 4191618 (1980-03-01), Comer et al.
patent: 4326943 (1982-04-01), Banziger et al.
patent: 4348268 (1982-09-01), Muller

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