Electrode substrate for electrolysis and production method there

Details Electrode substrate for electrolysis and production method there Electrode substrate for electrolysis and production method there

1994-08-24

1996-07-02

Gorgos, Kathryn

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204290F, C25B 1104, C25B 1110

Patent

active

055318754

ABSTRACT:
There are provided an electrode substrate for electrolysis comprising an electrically conductive metallic base material and a coating layer having a thickness of from 10 to 200 .mu.m composed of a platinum group metal and partial oxides of a non-stoichiometric composition containing at least one kind of metal selected from the group consisting of titanium, tantalum and niobium, and oxygen formed on the surface of the base material and a method of producing the electrode substrate. The electrode substrate has a sufficient durability and a chemical stability under a high electric current density, and can be stably used for a long period of time for use under a cathodic polarization in an electrolysis, etc., with a positive-negative inversion, and the use in an electrolyte containing corrosive materials.

REFERENCES:
patent: 4140813 (1979-02-01), Hund et al.
patent: 4395436 (1983-07-01), Bianchi et al.
patent: 5354444 (1994-10-01), Shimamune et al.

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