Method of producing an oxygen generating electrode

Details Method of producing an oxygen generating electrode Method of producing an oxygen generating electrode

1996-01-04

1997-09-09

Gorgos, Kathryn L.

Electrolysis: processes, compositions used therein, and methods

Electrolytic coating

Forming multiple superposed electrolytic coatings

205176, 205170, C25D 500

Patent

active

056652186

ABSTRACT:
An oxygen generating electrode has a base material with at least a surface thereof made of titanium alone or a titanium alloy, a primary coating formed on the surface of the base material, and a catalyst layer formed on the primary coating and containing an oxide of platinum group element as a main component. The primary coating is composed of a titanium oxide coating and an oxide mixture layer, the titanium oxide coating being made of a titanium oxide only and including a first titanium oxide layer formed by electrolytically oxidizing the surface of the base material and a second titanium oxide layer formed on the first titanium oxide layer by a thermal decomposition method, the oxide mixture layer including at least one layer formed on the titanium oxide coating and consisting of a mixture containing an oxide of an element belonging to a group other than the platinum group, as a main component, and an oxide of a platinum group element.

REFERENCES:
patent: 4039400 (1977-08-01), Hayfield
patent: 5059297 (1991-10-01), Hirao et al.

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