| abstract |
An electrolyte additive for a rechargeable lithium battery, represented by the following Chemical Formula 1: n n n n n n n n n n wherein, R 1 to R 4 are each independently selected from hydrogen, an aliphatic saturated hydrocarbon group, an aliphatic unsaturated hydrocarbon group, an aromatic hydrocarbon group, a heterocyclic group, or a combination thereof, provided that at least one of R 1 or R 2 and at least one of R 3 or R 4 are independently an unsaturated hydrocarbon group including at least one carbon-carbon double bond, and R 5 is selected from hydrogen, a halogen, an aliphatic saturated or unsaturated hydrocarbon group, an aromatic hydrocarbon group, a hydroxyl group, a nitro group, a cyano group, an imino group, an amino group, an amidino group, a hydrazine group, a carboxyl group, a heterocyclic group, or a combination thereof. |