A secondary battery redox shuttle agent for non-aqueous, non-aqueous and non-aqueous electrolyte fo

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PROBLEM TO BE SOLVED : To provide a nonaqueous electrolyte which reversibly suppresses overcharging even when combined with a positive electrode operating at a high voltage.SOLUTION : The nonaqueous electrolyte of the present invention contains a compound represented by general formula (1). (In the formula (1), a plurality of substituents represented by Rare each independently an alkyl group having 1-4 carbon atoms or a fluorine-substituted alkyl group having 1-4 carbon atoms.)