Patent ID: 9222003
Filing Date: 2015-12-29
Classification: B32B,C09J,H01M,Y02E,Y02P,Y10T

Abstract:
1. An electrode assembly having a pressure-sensitive adhesive tape attached to an outer circumferential surface thereof, wherein the pressure-sensitive adhesive tape comprises: a substrate layer that is swelled along a longitudinal direction when coming in contact with an electrolyte; and a pressure-sensitive adhesive layer formed on one surface of the substrate layer in a direction parallel to the longitudinal direction of the substrate layer and having a peel strength at room temperature of 100 gf/25 mm or more, as measured at a peel angle of 180° and a peel rate of 5 mm/sec with respect to an electrode assembly or glass plate, and wherein the substrate layer has a strain of 10% or more in the longitudinal direction according to the following Equation 1: wherein L L