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

Provided are a separator for a rechargeable lithium battery, and a lithium secondary battery including the separator. The separator includes a porous substrate, and a coating layer located on at least one surface of the porous substrate. The coating layer includes a composition including a binder, a crosslinking agent, and a filler mixture. The filler mixture includes a filler having an amine group, and a filler having a carboxyl group or carboxylate.