SEPARATOR FOR ELECTROCHEMICAL DEVICE AND AN ELECTROCHEMICAL DEVICE INCLUDING THE SAME

The present disclosure relates to a separator for an electrochemical device, which includes a coating layer having, as a binder, a copolymer including: i) a repeating unit derived from a (meth)acrylic acid monomer, a (meth)acrylate monomer, or both thereof; ii) a repeating unit derived from an acrylic monomer having an amide group; and iii) a repeating unit derived from a silane-based monomer, a monomer having a silanol group, or both thereof. In particular, the copolymer may exhibit excellent adhesion to inorganic particles by including iii) the repeating unit derived from a silane-based monomer, a monomer having the silanol group, or both thereof. Accordingly, the separator for an electrochemical device, which includes the binder, may exhibit excellent adhesion to an electrode and a low thermal shrinkage ratio.