Oxygen Reduction Reaction Activity of Platinum Thin Films with Different Densities

• DOI: 10.1149/08008.0847ecst
• Publication Date: 2017-10-17T08:58:40Z
• Authors: Busra Ergul; Mahbuba Begum; Nancy Kariuki; Deborah J Myers; Tansel Karabacak
• Keywords: Glassy carbon; Perchloric acid; Rotating disk electrode; Carbon fibers; Deposition; Partial pressure

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 rotating disk electrode techniques in aqueous perchloric acid electrolyte. The electrochemically active surface area, ORR mass activity (MA) specific (SA) of the film obtained. MA SA found to be higher low-density than high-density film.