Film-coated cathodes for halate cells

Details Film-coated cathodes for halate cells Film-coated cathodes for halate cells

1980-05-14

1981-10-20

Valentine, Donald R.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204284, 204290R, 204290F, 204 95, C25B 900, C25B 1103, C25B 1110

Patent

active

042959519

ABSTRACT:
A film-coated cathode is provided for the electrolysis of alkali metal halide solutions in the substantial absence of chromium ions. The cathode comprises a conductive substrate, such as titanium, steel, iron, or alloys thereof, coated with an adherent, porous film of a substantially nonconductive material having an average coating thickness of less than about 10.sup.3 microns. The nonconductive, film-forming material is further characterized as being chemically inert in the halate solution.

REFERENCES:
patent: Re29419 (1977-09-01), De Craene
patent: 4086155 (1978-04-01), Jonville
patent: 4101395 (1978-07-01), Montani et al.
patent: 4118294 (1978-10-01), Pellegri
patent: 4151052 (1979-04-01), Goto et al.
patent: 4197178 (1980-04-01), Pellegri et al.
patent: 4217195 (1980-08-01), Uzgiris et al.
patent: 4235695 (1980-11-01), De Nora et al.

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