Electrolyte compositions containing esters of dicarboxylic acids
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United States of America Patent
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Jun 25, 2019
Grant Date -
Feb 9, 2017
app pub date -
Apr 15, 2015
filing date -
Apr 17, 2014
priority date (Note) -
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Abstract
The invention relates to an electrolyte composition containing (i) at least one aprotic polar organic solvent having a flash point above 80° C. and a dielectric constant above 10 at 25° C.; (ii) at least one flame retardant and/or non-flammable solvent; (iii) at least one compound of formula (I) R1—O(O)C—(CH2)n—C(O)O—R2 (I) wherein R1 and R2 are independently from each other selected from C1-C6 alkyl and n is 1, 2 or 3; (iv) at least one conducting salt; (v) at least one aprotic organic solvent having a dynamic viscosity below 1 mPa s at 25° C.; and (vi) optionally one or more additives.
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