Role of Structural and Electronic Properties of Pt and Pt Alloys on Electrocatalysis of Oxygen Reduction: An In Situ XANES and EXAFS Investigation

Mukerjee, Sanjeev; Srinivasan, Supramaniam; P. Soriaga, Manuel; McBreen, J.

doi:10.1149/1.2048590

Public

Role of Structural and Electronic Properties of Pt and Pt Alloys on Electrocatalysis of Oxygen Reduction: An In Situ XANES and EXAFS Investigation

Published in Journal of The Electrochemical Society • May 1, 1995

Authors:

Sanjeev Mukerjee

Supramaniam Srinivasan

Manuel P. Soriaga

Abstract

The electrocatalysis of the oxygen reduction reaction (ORR) on five binary Pi alloys (PtCr/C, P tMn/C, PtFe/C, PtCo/C, and PtNi/C) supported on high surface area carbon in a proton exchange membrane fuel cell was investigated. All the alloy electrocatalysts exhibited a high degree of crystallinity w...

Subject

Electrocatalyst

Extended X-ray absorption fine structure

XANES

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