Method for the production of cathode for use in electrolysis

Details Method for the production of cathode for use in electrolysis Method for the production of cathode for use in electrolysis

1980-06-17

1981-10-13

Kendall, Ralph S.

Metal treatment

Compositions

Heat treating

427123, 427125, 4271265, 4271266, C25B 1106, C25B 1102, B01J 2502

Patent

active

042946280

ABSTRACT:
A cathode for use in electrolysis comprising (1) a substrate of iron or an alloy thereof; (2) a compact interlayer of Fe.sub.3 O.sub.4 formed on the substrate, and (3) a coating of activating nickel comprising principally nickel or an alloy thereof formed on the Fe.sub.3 O.sub.4 layer. In another embodiment, the interlayer (2) may be heat-treated to convert a part of the interlayer (2) into a nickel ferrite. The cathode is especially suitable for use in the electrolysis of an alkali metal halide, such as sodium chloride, using an ion exchange membrane method.

REFERENCES:
patent: 1302959 (1919-06-01), Page
patent: 2305539 (1942-12-01), Lowry
patent: 2727842 (1955-12-01), Vermij
patent: 3216919 (1965-11-01), White et al.
patent: 4024044 (1977-05-01), Brannan et al.
patent: 4039417 (1977-08-01), Sasaki et al.
patent: 4116804 (1978-09-01), Needes
patent: 4169028 (1979-09-01), Yokoyama et al.
Saito et al., Chem Abs. 87:92659y (1977).

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