Inert electrode compositions

Details Inert electrode compositions Inert electrode compositions

1980-11-10

1983-02-15

Barr, J. L.

Compositions

Electrically conductive or emissive compositions

Metal compound containing

252513, 252512, 252514, 252518, 252520, 204 67, H01B 106

Patent

active

043740502

ABSTRACT:
An inert type electrode composition suitable for use in the electrolytic production of metals such as aluminum is disclosed. The aluminum is produced from an aluminum-containing material dissolved in a molten salt. The electrode composition is fabricated from at least two metals or metal compounds combined to provide a combination metal compound containing at least one of the group consisting of oxide, fluoride, nitride, sulfide, carbide or boride, the combination metal compound defined by the formula: ##EQU1## Z is a number in the range of 1.0 to 2.2; K is a number in the range of 2.0 to 4.4; M.sub.j is at least one metal having a valence of 1, 2, 3, 4 or 5 and is the same metal or metals when M.sub.i is used in the composition; M.sub.j is a metal having a valence of 2, 3 or 4; X.sub.r is at least one of the elements from the group consisting of O, F, N, S, C and B; m, p and n are the number components which comprise M.sub.i, M.sub.j and X.sub.r ; F.sub.M.sbsb.i, F'.sub.M.sbsb.j, F'.sub.M.sbsb.i or F.sub.x.sbsb.r are the mole fractions of M.sub.i, M.sub.j and X.sub.r and 0<.SIGMA.F'.sub.M.sbsb.i <1.

REFERENCES:
patent: 3930967 (1976-01-01), Alder
patent: 3960678 (1976-06-01), Alder
patent: 3962068 (1976-06-01), Zollner et al.
patent: 3974046 (1976-08-01), Alder
patent: 4039401 (1977-08-01), Yamada et al.
patent: 4132619 (1979-01-01), Klein et al.
patent: 4146438 (1979-03-01), DeNova et al.
patent: 4173518 (1979-11-01), Yamada et al.
patent: 4187155 (1980-02-01), DeNova et al.

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