Reply to the ‘Comment on “Non-PGM electrocatalysts for PEM fuel cells: effect of fluorination on the activity and stability of a highly active NC_Ar + NH3 catalyst”’ by Xi Yin, Edward F. Holby and Piotr Zelenay, Energy Environ. Sci., 10.1039/D0EE02069A-Reference-Cited by-同舟云学术

Reply to the ‘Comment on “Non-PGM electrocatalysts for PEM fuel cells: effect of fluorination on the activity and stability of a highly active NC_Ar + NH3 catalyst”’ by Xi Yin, Edward F. Holby and Piotr Zelenay, Energy Environ. Sci., 10.1039/D0EE02069A

Published:2021 Issue:2 Volume:14 Page:1034-1041
ISSN:1754-5692
Container-title:Energy & Environmental Science
language:en
Short-container-title:Energy Environ. Sci.

Author:

Dodelet Jean-Pol¹^ORCID,Glibin Vassili²^ORCID,Zhang Gaixia¹^ORCID,Kramm Ulrike I.³^ORCID,Chenitz Régis¹^ORCID,Vidal François¹^ORCID,Sun Shuhui¹^ORCID,Dubois Marc⁴^ORCID

Affiliation:

1. INRS-Énergie, Matériaux et Télécommunications, 1650 Boulevard Lionel Boulet, Varennes, Québec, J3X 1S2, Canada

2. Department of Chemical and Biochemical Engineering, University of Western Ontario, London, N6A 5B9, Canada

3. TU Darmstadt, Department of Chemistry, Eduard-Zintl-Institute for Inorganic and Physical Chemistry, Otto-Berndt-Str.3, 64287 Darmstadt, Germany

4. Université Clermont Auvergne, CNRS, SIGMA Clermont, Institut de Chimie de Clermont-Ferrand, F-6300 Clermont-Ferrand, France

Abstract

The fast decay in PEM fuel cells of a highly active, high performance, but unstable Fe/N/C catalyst like our NC_Ar + NH3 follows a chemical, not an electrochemical, demetallation mechanism for its ORR active FeN4 sites in the catalyst micropores.

Funder

Natural Sciences and Engineering Research Council of Canada

Institut national de la recherche scientifique

Publisher

Royal Society of Chemistry (RSC)

Subject

Pollution,Nuclear Energy and Engineering,Renewable Energy, Sustainability and the Environment,Environmental Chemistry

Link

http://pubs.rsc.org/en/content/articlepdf/2021/EE/D0EE03431B

Reference21 articles.

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2. Electrocatalyst approaches and challenges for automotive fuel cells

3. J. P.Dodelet , Oxygen reduction in PEM fuel cell conditions: Heat-treated non-precious Metal-N4 macrocycles and beyond, In N4 Macrocyclic Metal Complexes , Springer Science + Business Media , 2006 , ch. 3, pp. 83–139

4. Iron-Based Catalysts with Improved Oxygen Reduction Activity in Polymer Electrolyte Fuel Cells

5. Iron-based cathode catalyst with enhanced power density in polymer electrolyte membrane fuel cells

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