FIELD: chemistry, electrochemistry.
SUBSTANCE: invention refers to electrochemical device containing electrolyte with additives. According to the invention, an electrochemical device comprises cathode, anode, a separator and a liquid electrolyte wherein it contains electrolyte salt, an organic solvent and an additive which effectively controls the surface of active cathode and otherwise ensures side reactions with the electrolyte due to frame structure and polar side branches of this additive.
EFFECT: improved operational safety of a battery ensured by application of the electrolyte with additives.
10 cl, 2 dwgl, 1 ex
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