Method of preparing active electrodes

Details Method of preparing active electrodes Method of preparing active electrodes

1981-03-11

1982-11-09

Smith, John D.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

4271263, 4271266, 427226, 427377, 427423, 427123, 204290R, 204290F, B05D 512

Patent

active

043584756

ABSTRACT:
This invention relates to a method of producing metal electrodes by treating a metal electrode substrate so as to coat the substrate surface with a homogeneous solution of the compounds of (i) at least one metal selected from a first group of iron, cobalt, nickel and manganese (ii) at least one other metal selected from a second group of molybdenum, tungsten and vanadium, each of which compound is capable of thermal decomposition to the corresponding metal oxide. The coated substrate is then thermally decomposed and the oxide-coated substrate is cured in a reducing atmosphere at elevated temperature. Substrates coated with Ni-Mo oxides are preferred. The electrodes thus produced exhibit very low overvoltage, are of high stability with respect to their activity and can be used as cathodes for the electrolysis of water or brine.

REFERENCES:
patent: 3455724 (1969-07-01), Teeg et al.
patent: 3759842 (1973-09-01), Bianchi et al.
patent: 3843562 (1974-10-01), Friedrich et al.
patent: 3846341 (1974-11-01), Courty
patent: 3873470 (1975-03-01), Conway et al.
patent: 4042420 (1977-08-01), Nishino et al.
patent: 4072586 (1978-02-01), De Nora et al.
patent: 4080278 (1978-03-01), Ravier et al.
patent: 4142005 (1979-02-01), Caldwell et al.
patent: 4146446 (1979-03-01), von Sturm
patent: 4256545 (1981-03-01), Deborski
Appleby et al. Proc. of Symposium on Industrial Water Electrolysis, Proc. vol. 78, Electrochem. Soc., 1978, pp. 150-161.

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