Electrochemical storage cell or battery of the alkali metal and

Details Electrochemical storage cell or battery of the alkali metal and Electrochemical storage cell or battery of the alkali metal and

1977-11-22

1980-09-09

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

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

Active material in molten state

429105, H01M 618

Patent

active

042218489

ABSTRACT:
An electrochemical storage cell or battery with at least one anode filled with a molten alkali metal as the anolyte and at least one cathode chamber filled with a sulfur-containing catholyte substance with the anode chamber and the cathode chamber separated from each other by an alkali-ion-conducting solid electrolyte. To the catholyte substance in the cathode chamber is added a chemical compound of the polar bond type which can charge the sulfur positively while absorbing electrons. This induces mobilization of the sulfur phase in the cathode chamber and prevents major accumulation of liquid sulfur as an insulator. As a result the cell can be repeatedly recharged with large currents to a greater capacity.

REFERENCES:
patent: 4002806 (1977-01-01), Gupta et al.
patent: 4002807 (1977-01-01), Ludwig

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