FIELD: chemistry.
SUBSTANCE: present invention relates to ionic liquids based on a cation of formula (1): 
where substituting groups R1-R9 are selected from hydrogen, alkyl; any carbon atom in R1-R9 can be substituted with a -O-, -C(O)-, -C(O)O-, -S-, -S(O)-, -SO2- or -SO3- group; X is S, O or C; R8 and R9 exist only when X is carbon; the anion is selected from [RSO3]-, [RfSO3]-, [(RfSO2)2N]-, [(FSO2)3C]-, [RCH2OSO3]-, [RC(O)O]-, [RfC(O)O]-, [CCl3C(O)O]-, [(CN)3C]-, [(CN)2CR]-, [(RO(O)C)2CR]-, [B(OR)4]-, [N(CF3)2]-, [N(CN)2]-, [AlCl4]-, PF6 -, BF4 -, SO4 2-, HSO4 -, NO3 -; where R is hydrogen, halogen, alkyl, alkenyl, alkynyl, cycloalkyl, Rf is a fluorine-containing substituting group.
EFFECT: obtaining new ionic liquids with improved electrochemical properties.
15 cl, 18 ex, 2 dwg
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