Cyclic sulfate ester compound, non-aqueous electrolyte containing the same, and lithium secondary battery

摘要

In this invention, the non-aqueous electrolyte containing the cyclic sulfate compound represented by general formula (I) is provided. In general formula (I), R1 represents a group represented by general formula (II) or a group represented by formula (III), R2 represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, general formula (II) ) Or a group represented by formula (III). In general formula (II), R3 is represented by a halogen atom, an alkyl group having 1 to 6 carbon atoms, a halogenated alkyl group having 1 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, or formula (IV). Represents a group.