Further, the present invention provides {HEAD ~ an electrode} for an electric double layer capacitor, which is a formed product of sheet shape prepared by forming a carbonaceous material by means of PTFE as a binder and which has a thickness of from 0.005 to 0.25 mm, a porosity of from 50 to 80% and the tensile strength in one direction is {TAIL ~ at least 1.5 kg}/cm2 