ELECTRODE AND SECONDARY BATTERY INCLUDING SAME

An electrode includes a substrate made of a metallic material, a first composite layer coated on a portion of a first surface of the substrate to form a first uncoated portion on a first end of the first surface, a second composite layer coated on a portion of a second surface of the substrate to form a second uncoated portion on a second end of the second surface, and a reinforcing film attached to a third end portion of at least one of the first composite layer or the second composite layer.