FIELD: chemistry.
SUBSTANCE: invention relates to electroconductive films which can be used in electronic devices, accumulators and supercapacitors. Method of producing an electroconductive film based on copolymers involves obtaining a film-forming solution, evaporation thereof on a substrate, followed by separation of the obtained film. Film-forming solution is obtained by dissolving in 127 ml of acetonitrile 10 g of a polyvinylidene fluoride-hexafluoropropylene copolymer, 3 g of lithium tetrafluoroborate and 3 g of 1-butyl-3-methylimidazolium tetrafluoroborate.
EFFECT: obtaining an electroconductive film with improved properties on ion conductivity and thermal stability in a wide temperature range.
1 cl, 3 dwg, 1 tbl
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