| abstract |
Disclosed are porous substrate and a coating layer positioned on one side or both sides of the porous substrate, wherein the coating layer includes a filler (A) having an average particle diameter of about 0.3 µm to about 2 µm; and a binder (B) including an organic polymer and an inorganic particle, an organic particle, or a combination thereof, wherein an average particle diameter of each of the inorganic particle and the organic particle is about 5 nm to about 200 nm, and a rechargeable lithium battery including the separator. |