ELECTROLYTE COMPRISING AMIDE AND ESTER AND ELECTROCHEMICAL DEVICE CONTAINING THE SAME

摘要

PURPOSE: An electrolyte containing an amide compound and an ester compound, and an electrochemical device including thereof are provided to secure the excellent thermal stability and chemical stability of the electrolyte, and to improve the ion conductivity. CONSTITUTION: An electrolyte contains the following: an alkoxy alkyl group-containing amide compound marked with either chemical formula 1 or 2; ionizable lithium salt; and an ester based compound marked with chemical formula 3. The molar ratio of the alkoxy alkyl group-containing amide compound and the ionizable lithium salt is 1~8:1.