ELECTROLYTE AND ELECTROCHEMICAL DEVICE USING SAME

The present application relates to an electrolytic solution, and an electrochemical device using the electrolytic solution. The electrolytic solution of the present application includes the compound of Formula I and a carboxylate compound:The electrochemical device prepared with the electrolytic solution of the present application has reduced storage impedance, and improved post-storage swelling, overcharge performance and hot box performance.