ADDITIVE FOR RECHARGEABLE LITHIUM BATTERY, ELECTROLYTE INCLUDING SAME, AND RECHARGEABLE LITHIUM BATTERY

Provided are an additive for a rechargeable lithium battery, an electrolyte a rechargeable lithium battery including the same, and a rechargeable lithium battery, the additive including a core, and a shell surrounding the core, wherein the core includes a flame retardant, a fire extinguishing agent, a non-combustible material, or a combination thereof, and the shell includes a polymer having a melting point of 90° C. to 120° C.