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Pd--Ti and Pd--Co--Au Electrocatalysts as a Replacement for Platinum for Oxygen Reduction in Proton Exchange Membrane Fuel Cells.

The article reports on palladium (Pd)-titanium (Ti) and Pd-cobalt (Co)-silver (Au) electrocatalysts as a Replacement for platinum (Pt) for oxygen reduction in proton exchange membrane fuel cells. Catalysts Pd-Co-Au and Pd-Ti show essentially equal or slightly better performance than the more expensi...

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Publicado en:Journal of the American Chemical Society Vol. 127; no. 38; pp. 13100 - 13102
Autores principales: Fernández, José L., Raghuveer, Vadari, Manthiram, Arumugam, Bard, Allen J.
Formato: Artículo
Publicado: American Chemical Society 9/28/2005
Materias:
Catalysts
Palladium
Titanium
Fuel cells
Protons
Nonmetals
Acceso en línea:Ver este registro en EBSCOhost
Sumario:The article reports on palladium (Pd)-titanium (Ti) and Pd-cobalt (Co)-silver (Au) electrocatalysts as a Replacement for platinum (Pt) for oxygen reduction in proton exchange membrane fuel cells. Catalysts Pd-Co-Au and Pd-Ti show essentially equal or slightly better performance than the more expensive Pt currently used for the oxygen reduction reaction in proton exchange membrane fuel cells (PEMFC). The article demonstrate that the previously described high throughput screening method based on scanning electrochemical microscopy is indeed a good predictor of electrocatalyst performance in a PEMFC.