Coating composition for carbon electrodes

Details Coating composition for carbon electrodes Coating composition for carbon electrodes

1994-12-28

1996-02-20

Gorgos, Kathryn

Electrolysis: processes, compositions used therein, and methods

Electrolytic synthesis

Utilizing fused bath

205379, 205384, C25C 304, C25C 306, C25C 308

Patent

active

054926041

ABSTRACT:
A method for producing a metal in an electrolysis cell comprising an anode, a carbon cathode, and a chamber containing a metal oxide dissolved in a molten salt bath, said method comprising: coating an outer surface portion of the cathode with a coating composition consisting of a refractory metal, a paint comprising an organic polymeric binder, and aluminum powder, and optionally an organic solvent and an oil; and optionally a boron source; curing the coating composition by heating it to an elevated temperature, producing an aluminum-wettable coating on the cathode outer surface portion; and electrolyzing the metal oxide to a metal bypassing an electric current in the molten salt bath between the anode and the coated cathode.

REFERENCES:
patent: 4466996 (1984-08-01), Boxall et al.
patent: 5019225 (1991-05-01), Darracq et al.
patent: 5310476 (1994-05-01), Sekhar et al.
patent: 5352338 (1994-10-01), Juric et al.
patent: 5364513 (1994-11-01), Sekhar et al.

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