ELECTROLYTE SOLUTION, ELECTROCHEMICAL DEVICE, LITHIUM-ION SECONDARY BATTERY, MODULE AND COMPOUND

The disclosure provides an electrolyte solution that gives an electrochemical device having low resistance. The electrolyte solution contains a compound represented by the following formula (1). In the formula, R and R are each individually a substituent such as a C1-C7 alkyl group, the substituent optionally contains at least one divalent to hexavalent hetero atom in a structure or optionally has a structure obtained by replacing at least one hydrogen atom by a fluorine atom or a C0-C7 functional group, and at least one selected from the group consisting of R and R, when both being an alkyl group, contains at least one divalent to hexavalent hetero atom in the structure or has a structure obtained by replacing at least one hydrogen atom by a fluorine atom or a C0-C7 functional group.