Lithium ion conducting ionic electrolytes

Details Lithium ion conducting ionic electrolytes Lithium ion conducting ionic electrolytes

1994-06-20

1996-01-16

Maples, John S.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429188, 429192, H01M 614, H01M 618

Patent

active

054846706

ABSTRACT:
A liquid, predominantly lithium-conducting, ionic electrolyte is described which has exceptionally high conductivity at temperatures of 100.degree. C. or lower, including room temperature. It comprises molten lithium salts or salt mixtures in which a small amount of an anionic polymer lithium salt is dissolved to stabilize the liquid against recrystallization. Further, a liquid ionic electrolyte which has been rubberized by addition of an extra proportion of anionic polymer, and which has good chemical and electrochemical stability, is described. This presents an attractive alternative to conventional salt-in-polymer electrolytes which are not cationic conductors.

REFERENCES:
patent: 3445290 (1969-05-01), Elliott et al.
patent: 3615828 (1971-10-01), Fischer
patent: 4234667 (1980-11-01), Bennion et al.

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