SEPARATOR FOR LITHIUM SECONDARY BATTERY, THE METHOD FOR MANUFACTURING THE SAME AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

A separator for a lithium secondary battery, a method for manufacturing the same, and a secondary battery including the same. The separator includes a porous coating layer including a top layer, an intermediate layer, and a bottom layer. An amount of a particle-type binder polymer present in the top layer is larger than an amount of the particle-type binder polymer present in the bottom layer. The porous coating layer also includes a dispersant having a carboxyl group and a glycol group.