ELECTROLYTE FORMULATION FOR LITHIUM-ION BATTERIES
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Mar 14, 2016
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Mar 16, 2015
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Abstract
The invention concerns an electrolyte composition, comprising: —a lithium bis(fluorosulfonyl)imide salt and/or a lithium 4,5-dicyano-(trifluoromethyl) imidazolate salt; and —a solvent of formula (I): in which: —n is an integer of between 0 and 15, —R1, R2 and R3 represent, independently, a halogen atom or a C1 to C6 linear or branched alkyl group, —X represents either a covalent bond or a C1 to C6 linear or branched alkylene alkenylene or alkynylene group, —Y represents either an —(OCh2Ch2)m- group, or an —(N(CH3)CH2CH2)m- group, m being an integer of between 0 and 15, provided that m is different from 0 when X represents a covalent bond, and —R4 represents a cyano, cyanate, isocyanate, thiocyanate or isothiocyanate group.
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