Electrolyte additive for lithium-sulfur dioxide electrochemical

Details Electrolyte additive for lithium-sulfur dioxide electrochemical Electrolyte additive for lithium-sulfur dioxide electrochemical

1988-04-25

1989-09-26

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

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

429196, 429105, H01M 1036

Patent

active

048699772

ABSTRACT:
The degradation of organic electrode separators in rechargeable lithium-sulfur dioxide electrochemical cells which utilize chemically uncombined aluminum chloride as an electrolyte component can be reduced by incorporating an additive into the electrolyte which is effective to provide a redox couple having a potential in the range which is above that of the SO.sub.2 /S.sub.2 O.sub.4.sup.-2 couple and below that of the Cl.sub.2 /Cl.sup.- couple.

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patent: 4139680 (1979-02-01), Schlaikjer
patent: 4331743 (1982-05-01), Dey et al.
patent: 4409303 (1983-10-01), Bowden
patent: 4440836 (1984-04-01), Bailey
patent: 4752541 (1988-06-01), Faulkner et al.
Bredmeyer et al., Z. Anorg. Allg. Chem., 515, pp. 187-198, 1984.

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