Rechargeable lithium battery

摘要

A rechargeable lithium battery is provided. The battery includes an electrolyte including a lithium salt, a non-aqueous organic solvent including an ethylene carbonate-based compound and a pyrocarbonate-based additive; a negative electrode that includes a negative active material including a crystalline-based carbon core and an amorphous-based carbon shell surrounding the crystalline-based carbon core; and a positive electrode comprising a positive active material.