Investigation of Activity and Stability towards Oxygen Reduction Reaction of Pt Catalyst with Heteroatom Doped Ordered Mesoporous Carbon Support

Abstract

Activity and stability for oxygen reduction reaction (ORR) is significantly important for the poly mer electrolyte membrane fuel cell (PEMFC), which is promising next propulsion system and has been studied continuously to increase the performance of the PEMFC. In this study, the Pt catalysts supported on different ordered mesoporous carbon (OMC) supports having heteroatom such as N or S are investigated for ORR. The stability test of activity for the ORR was conducted using accelerated degradation test. Pt/S-OMC showed the superior activity for the ORR initially and higher stability than other Pt catalyst using N-OMC and Vulcan carbon support, respectively