Inert electrode composition having agent for controlling oxide g

Details Inert electrode composition having agent for controlling oxide g Inert electrode composition having agent for controlling oxide g

1984-12-18

1986-04-15

Niebling, John F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204292, 204293, 419 5, C25C 300, C25B 1104

Patent

active

045825858

ABSTRACT:
An improved inert electrode composition is suitable for use as an inert electrode in the production of metals such as aluminum by the electrolytic reduction of metal oxide or metal salt dissolved in a molten salt bath. The composition comprises one or more metal alloys and metal compounds which may include oxides of the metals comprising the alloy. The alloy and metal compounds are interwoven in a network which provides improved electrical conductivity and mechanical strength while preserving the level of chemical inertness necessary for such an electrode to function satisfactorily. The electrode composition further includes a metal compound dopant which will aid in controlling the thickness of a protective oxide layer on at least the bottom portion of an electrode made therefrom during use.

REFERENCES:
patent: 4374050 (1983-02-01), Ray
patent: 4454015 (1984-06-01), Ray et al.
patent: 4455211 (1984-06-01), Ray et al.
Rapp et al., "Metallurgical Transactions", vol. 4, May 1973, pp. 1283-1292.

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