Multi-component metal electrode

Details Multi-component metal electrode Multi-component metal electrode

1975-04-15

1977-01-25

Edmundson, F.C.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C25B 1110

Patent

active

040050033

ABSTRACT:
A multi-component metal electrode and a method for its preparation is described in which a film-forming metal base such as titanium is coated with an oxide of a film-forming metal, and then further coated with a conductive oxide, such as ruthenium oxide. A corrosion resistant oxide such as tantalum oxide, is applied to the ruthenium oxide.
The corrosion-resistant metal oxide is formed by applying to the ruthenium oxide a solution of an inorganic compound of the corrosion-resistant metal, and heating the solution-coated electrode to evaporate the solvent and form a corrosion-resistant metal oxide.
The resulting multi-component metal electrode of this invention can be used as an electrode in mercury cells and diaphragm cells.

REFERENCES:
patent: 3234110 (1966-02-01), Beer
patent: 3562008 (1971-02-01), Martinsons
patent: 3632498 (1972-01-01), Beer
patent: 3657102 (1972-04-01), Keith et al.
patent: 3663280 (1972-05-01), Lee
patent: 3671415 (1972-06-01), King et al.
patent: 3718551 (1973-02-01), Martinsons
patent: 3773555 (1973-11-01), Cotton et al.

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