Separator and method of manufacturing the same and rechargeable lithium battery including the same

摘要

Provided is a separator for a rechargeable lithium battery comprising:
a substrate;
a coating layer disposed on at least one surface of the substrate, wherein the coating layer comprises at least one polymeric binder, wherein the amount of the polymeric binder present at a surface portion of the coating layer is greater than at an inner portion of the coating layer.