Fe-Enrichment effect on the composition and performance of Fe-based O-reduction electrocatalysts

Pt-group metal (PGM)-free catalysts of the Me-N-C type based on abundant and inexpensive elements have gained importance in the field of oxygen reduction reaction (ORR) electrocatalysis due to their promising ORR-activities. Their insufficient stability, however, has fueled the interest in obtaining...

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Veröffentlicht in:Physical chemistry chemical physics : PCCP 2021-04, Vol.23 (15), p.9147-9157
Hauptverfasser: Ebner, Kathrin, Ni, Lingmei, Saveleva, Viktoriia A, Le Monnier, Benjamin P, Clark, Adam H, Krumeich, Frank, Nachtegaal, Maarten, Luterbacher, Jeremy S, Kramm, Ulrike I, Schmidt, Thomas J, Herranz, Juan
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Zusammenfassung:Pt-group metal (PGM)-free catalysts of the Me-N-C type based on abundant and inexpensive elements have gained importance in the field of oxygen reduction reaction (ORR) electrocatalysis due to their promising ORR-activities. Their insufficient stability, however, has fueled the interest in obtaining an in-depth understanding of their composition, which requires highly sensitive techniques compatible with their low metal contents (typically
ISSN:1463-9076
1463-9084
DOI:10.1039/d1cp00707f