Sodium-tetravalent sulfur molten chloroaluminate cell

Details Sodium-tetravalent sulfur molten chloroaluminate cell Sodium-tetravalent sulfur molten chloroaluminate cell

1984-02-10

1985-04-02

LeFevour, Charles F.

Chemistry: electrical current producing apparatus, product, and

Fluid active material or two-fluid electrolyte combination...

Active material in molten state

429104, 429199, H01M 436

Patent

active

045087954

ABSTRACT:
A sodium-tetravalent sulfur molten chloroaluminate cell with a .beta."-alumina sodium ion conductor having a S-Al mole ratio of above about 0.15 in an acidic molten chloroaluminate cathode composition is disclosed. The cathode composition has an AlCl.sub.3 -NaCl mole percent ratio of above about 70-30 at theoretical full charge. The cell provides high energy densities at low temperatures and provides high energy densities and high power densities at moderate temperatures.

REFERENCES:
patent: 3966491 (1976-06-01), Mamantov et al.
patent: 4063005 (1977-12-01), Mamantov et al.
Article reprinted from Journal of the Electrochemical Society, vol. 127, No. 11, Nov. 1980--"The Use of Tetravalent Sulfur in Molten Chloroaluminate Secondary Batteries" by G. Mamantov, R. Marassi, M. Matsunaga, Y. Ogata, J. P. Wiaux and E. J. Frazer.
Article reprinted from the 15th Intersociety Energy Conversion Engineering Conference, Seattle, Washington, Aug. 18-22, 1980, No. 809107--"A New Rechargeable High Voltage Low Temperature Molten Salt Cell" by Gleb Mamantov, R. Marassi, Y. Ogata, M. Matsunaga and J. P. Wiaux.

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