Oxygen Reduction Reaction Activity of Platinum Thin Films with Different Densities

Journal Article · Thu Aug 24 00:00:00 EDT 2017 · ECS Transactions (Online)

DOI:https://doi.org/10.1149/08008.0847ecst· OSTI ID:1425222

Ergul, Busra; Begum, Mahbuba; Kariuki, Nancy; Myers, Deborah J.; Karabacak, Tansel

Platinum thin films with different densities were grown on glassy carbon electrodes by high pressure sputtering deposition and evaluated as oxygen reduction reaction catalysts for polymer electrolyte fuel cells using cyclic voltammetry and rotating disk electrode techniques in aqueous perchloric acid electrolyte. The electrochemically active surface area, ORR mass activity (MA) and specific activity (SA) of the thin film electrodes were obtained. MA and SA were found to be higher for low-density films than for high-density film.

• Research Organization: Argonne National Lab. (ANL), Argonne, IL (United States)
• Sponsoring Organization: USDOE Office of Energy Efficiency and Renewable Energy (EERE) - Office of Fuel Cell Technologies (FCTO); National Science Foundation (NSF)
• DOE Contract Number: AC02-06CH11357
• OSTI ID: 1425222
• Journal Information: ECS Transactions (Online), Vol. 80, Issue 8; ISSN 1938-6737
• Publisher: Electrochemical Society
• Country of Publication: United States
• Language: English