Electrolyte additive for improved battery performance

Details Electrolyte additive for improved battery performance Electrolyte additive for improved battery performance

1986-03-03

1989-04-04

Niebling, John F.

Chemistry: electrical current producing apparatus, product, and

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

Active material in solution

429248, 429 46, 429 12, 429198, 429199, H01M 1026

Patent

active

048186422

ABSTRACT:
In one embodiment of the present invention, there is provided an electrochemical cell having a metal bromine couple. The cell includes an electrode structure on which to deposit the metal of the couple and a counterelectrode at which to generate bromine. A microporous membrane separates the electrode and counterelectrode. Importantly, the aqueous electrolyte comprises an aqueous metal bromide solution containing a water soluble bromine complexing agent capable of forming a water immiscible complex with bromine and an additive capable of decreasing the wettability of the microporous separators employed in such cells by such water immiscible bromine complexes.

REFERENCES:
patent: 4074028 (1978-02-01), Will
patent: 4105829 (1978-08-01), Venero
Kirk--Othmer "Encyclopedia of Chemical Technology", 3rd Edition, vol. 22, pp. 350-351, New York 1978.

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