| abstract |
The electrolyte for a lithium secondary battery of the present invention is a lithium salt; Non-aqueous organic solvents; And an electrolyte additive selected from the group consisting of compounds of Formula 1 and derivatives thereof.n n n [Formula 1]n n n n n n n n Wherein R 1 is selected from the group consisting of hydrogen, alkyl, aryl, cyclo alkyl, alkenyl, alkynyl, ester and carbonate. The electrolyte improves swelling suppression characteristics and capacity characteristics at high temperatures of the lithium battery. |