发明公开
EP2135859A2 Liquid electrolytes comprising ionic liquids, and their use in electrical storage devices 有权
N-甲氧基乙基-N-甲基吡咯烷酮Tretrafluoroborat enthaltendeflüssigeElektrolyten,und entsprechende elektrische Speichervorrrichtungen

Liquid electrolytes comprising ionic liquids, and their use in electrical storage devices
摘要:
A liquid electrolyte for electrical storage devices, comprises an ionic liquid having general formula (1) below and a melting point of up to 50°C

wherein R 1 to R 4 are each independently an alkyl of 1 to 5 carbons or an alkoxyalkyl of the formula R'-O-(CH 2 ) n -, R' being methyl or ethyl and the letter n being an integer from 1 to 4, and any two from among R 1 , R 2 , R 3 and R 4 may together form a ring, with the proviso that at least one of groups R 1 to R 4 is an alkoxyalkyl of the above formula; and Y is a monovalent anion. It may also include a nonaqueous organic solvent and/or an ion conductive salt.
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