Patent ID: 7482100

Claim:
An electrolyte for a lithium battery, comprising: a non-aqueous organic solvent; a lithium salt; and an additive having the following Formula 1 wherein, X is O or S, each of Y 1 , Y 2 , and Y 3 is independently selected from the group consisting of O, S, CR 2 , and NR, where each R is independently selected from the group consisting of H, halogens, and alkyl groups having a carbon number of less than or equal to 8, and where two adjacent R groups may optionally be combined with each other to form cycles or hetero cycles, and each of R a to R d is independently selected from H, halogens, alkoxy groups having a carbon number of less than or equal to 8, and unsaturated or saturated alkyl groups having a carbon number of less than or equal to 8, and where adjacent R a to R d groups may optionally be combined with each other to form cycles or hetero cycles.