Electrolyte composition for rechargeable electrochemical cells

Details Electrolyte composition for rechargeable electrochemical cells Electrolyte composition for rechargeable electrochemical cells

1997-01-08

1998-05-12

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

H01M 1040

Patent

active

057502846

ABSTRACT:
An electrochemical cell (10) includes first and second electrodes (12) and (14) with an electrolyte system (26) disposed therebetween. The electrolyte system includes a polymeric support structure through which is dispersed an electrolyte active species in an organic solvent. The solvent, which remains liquid to low temperatures, is a binary or higher order system comprising diethyl carbonate and one or more of propylene carbonate, ethylene carbonate, dimethyl carbonate, dipropylcarbonate, dimethylsulfoxide, acetonitrile, dimethoxyethane, tetrahydrofuran, n-methyl-2-pyrrolidone, and combinations thereof.

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Nakamura, et al, 1996, Suppression of electrochemical decomposition of PC at a graphite anode, Journal of Power Sources.

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