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

The present disclosure relates to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator for a rechargeable lithium battery includes a porous substrate, and a first layer and a second layer located on at least one surface of the porous substrate. The first layer includes a composition including a binder, a crosslinking agent, and a filler, the second layer includes a composition including a mixture of a polyvinylidene fluoride (PVdF)-based adhesive binder and a (meth)acrylic adhesive binder, and the (meth)acrylic adhesive binder is crosslinked to the binder of the first layer.