Device for evolution of oxygen with ternary electrocatalysts con

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

1980-04-21

1982-01-19

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204291, 204292, C25B 110, C25B 1106, C25B 1110, C25B 1108

Patent

active

043115691

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.

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