Cathode for the electrolytic treatment of alkali halide

Details Cathode for the electrolytic treatment of alkali halide Cathode for the electrolytic treatment of alkali halide

1979-05-23

1981-08-25

Edmundson, F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204 47, C25B 1108

Patent

active

042857970

ABSTRACT:
The invention relates to cathodic electrodes for use in the electrolytic treatment of alkali halide. The electrode has a substantial mass of copper or copper alloy, and the surface of the mass is roughened and activated by blasting solid and abrasive particles against the mass surface. The roughened surface is then coated with a rhodium or rhodium alloy layer. The effect is a substantial reduction of hydrogen superpotential value.

REFERENCES:
patent: 3103473 (1963-09-01), Juda
patent: 3250646 (1966-05-01), Hipp
patent: 3515651 (1970-06-01), Ohkubo et al.
patent: 3528895 (1970-09-01), Simionian
patent: 4097347 (1978-06-01), Packer
patent: 4157943 (1979-06-01), Scarpellino et al.

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