Thermal regeneration of an electrochemical concentration cell

Details Thermal regeneration of an electrochemical concentration cell Thermal regeneration of an electrochemical concentration cell

1980-05-09

1981-09-29

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Having magnetic field feature

429 17, 429 20, 429102, 429112, 429201, 429199, H01M 806, H01M 636

Patent

active

042923786

ABSTRACT:
A system and method for thermally regenerating an electrochemical concentration cell having first and second aluminum electrodes respectively positioned in contact with first and second electrolytes separated by an ion exchange member, the first and second electrolytes being composed of different concentrations of an ionic solvent and a salt, preferably an aluminum halide. The ionic solvent may be either organic or inorganic with a relatively low melting point, the ionic solvent and the salt form a complex wherein the free energy of formation of said complex is less than about -5 Kcal/mole. A distillation column using solar heat or low grade industrial waste heat receives the first and second electrolytes and thermally decomposes the salt-solvent complex to provide feed material for the two half cells.

REFERENCES:
patent: 3186872 (1965-06-01), Ewing
patent: 3414437 (1968-12-01), Doundoulakis et al.
patent: 3540934 (1970-11-01), Boeke
patent: 3671322 (1972-06-01), King et al.
patent: 3887399 (1975-06-01), Seiger
patent: 4053684 (1977-10-01), Zito, Jr.
patent: 4064327 (1977-12-01), King et al.
patent: 4145483 (1979-03-01), Bonnemay et al.

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