ELECTROLYTE AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

摘要

An electrolyte for a rechargeable lithium battery, the electrolyte including a lithium salt, a non-aqueous organic solvent, a first additive represented by Chemical Formula 1, and a second additive represented by Chemical Formula 2 is disclosed. A rechargeable lithium battery including the electrolyte is also disclosed. The structures and definitions of the Chemical Formulae 1 and 2 are the same as described in the detailed description.

主权项

1. An electrolyte for a rechargeable lithium battery, comprising:
a lithium salt; a non-aqueous organic solvent; a first additive comprising a first compound represented by Chemical Formula 1: wherein, A is boron (B) or phosphorus (P), X is a halogen element, n is an integer ranging from 0 to 2, m is an integer ranging from 1 to 3, when A is boron (B), n+m=2, and when A is phosphorus (P), n+m=3; and a second additive comprising a second compound represented by Chemical Formula 2: wherein Y is a halogen element.