December 12, 2017

A specific demetalation of Fe–N4catalytic sites in the micropores of NCAr + NH3is at the origin of the initial activity loss of the highly active Fe/N/C catalyst used for the reduction of oxygen in PEM fuel cells

RCRégis ChenitzNational Research Council Canada UKUlrike I. KrammTechnical University of Darmstadt MLMichel LefèvreInstitut National de la Recherche Scientifique

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Abstract

Micropores are largely responsible for Fe/N/C catalytic activity, but are also intrinsically responsible for the rapid initial performance loss in PEMFC.

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