OC11 Pt-ITO-Graphene Electrocatalysts: Stabilization of Pt Nanoparticles at Triple Junction Points

Monday, June 6, 2011: 2:50 PM
Cartier Ballroom (Detroit Marriott Hotel at the Renaissance Center )
Yuyan Shao1, Rong Kou1, Donghai Mei2, Vilayanur Viswanathan1, Ilhan Aksay3, Jun Liu1 and Yong Wang2, (1)Pacific Northwest National Laboratory, Richland, WA, (2)Institute for Interfacial Catalysis, Pacific Northwest National Laboratory, Richland, WA, (3)Department of Chemical & Biological Engineering, Princeton University, Princeton, NJ
We present a new Pt-ITO-graphene catalyst for PEM fuel cells, in which Pt nanoparticles are stablized at Pt-ITO-graphene triple junctions. This new catalyst exhibits significantly enhanced durability and high activity for oxygen reduction. 

Extended Abstracts: