ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

摘要

An electrolyte for a rechargeable lithium battery comprises a lithium salt, an organic solvent and an additive. The organic solvent comprises a sulfur-containing compound represented by Chemical Formula 1, and the additive comprises a phosphazene compound represented by Chemical Formula 2. A rechargeable lithium battery including the electrolyte may have improved performance and safety. In Chemical Formulae 1 and 2, the substituents are as defined in the detailed description.