Fuel cell aluminum production

Details Fuel cell aluminum production Fuel cell aluminum production

1998-08-18

2000-09-12

Gorgos, Kathryn

Electrolysis: processes, compositions used therein, and methods

Electrolytic synthesis

Involving fuel cell

204244, 2042431, 204245, 204DIG4, C25C 306

Patent

active

061173029

ABSTRACT:
A process and apparatus are disclosed for electrolytically smelting alumina to produce aluminum metal, including providing a combination solid oxide fuel cell and electrolytic smelting cell for the production of aluminum from refined alumina positioned near tile solid oxide fuel cell. In one aspect, an alumina ore refinery for producing the refined alumina is positioned near the solid oxide fuel cell, and refined alumina is passed at a temperature of at least 900.degree. C. directly from the alumina ore refinery to the electrolytic smelting cell. In one aspect, the solid oxide fuel cell incorporates a planar construction having a solid state cathode material of lanthanum strontium manganate, a solid electrolyte of yttria stabilized zirconia, and a nickel/yttria stabilized zirconia cermet anode.

REFERENCES:
patent: 4689133 (1987-08-01), McIlhenny
patent: 5130210 (1992-07-01), Iwasaki et al.
patent: 5286359 (1994-02-01), Richards et al.
patent: 5908713 (1999-06-01), Ruka et al.
patent: 6039862 (2000-03-01), Rapp

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