ELECTROLYTE AND ELECTROCHEMICAL APPARATUS USING SAME

An electrolyte includes a compound of formula 1: Rand Rare each independently selected from H, halogen atom, a substituted or unsubstituted Calkyl group, a substituted or unsubstituted Ccycloalkyl group, a substituted or unsubstituted Calkenyl group, a substituted or unsubstituted Calkynyl group, a substituted or unsubstituted Calkoxy group, a substituted or unsubstituted Caryl group, a substituted or unsubstituted Cheteroaryl group, or any combination thereof. R is selected from a substituted or unsubstituted Calkyl group, a substituted or unsubstituted Ccycloalkyl group, a substituted or unsubstituted Calkenyl group, a substituted or unsubstituted Calkynyl group, a substituted or unsubstituted Calkoxy group, a substituted or unsubstituted Caryl group or a substituted or unsubstituted Cheteroaryl group, a substituted or unsubstituted Cheterocycloalkyl group, a butyrolactam group, or any combination thereof.