Fig. 8From: Durability Improvement of Pt/RGO Catalysts for PEMFC by Low-Temperature Self-Catalyzed Reduction a Initial ORR polarization curves of Pt/C, Pt/RGO, and Pt/RGO-R. Changes of ORR polarization curves of b Pt/C, c Pt/RGO, and d Pt/RGO-R in O2-saturated 0.5 M H2SO4 solution at a scan rate of 10 mV s–1 for 200 cyclesBack to article page