A specific demetalation of Fe–N4 catalytic sites in the micropores of NC_Ar + NH3 is 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

Author:

Chenitz Régis1234,Kramm Ulrike I.56789ORCID,Lefèvre Michel1034,Glibin Vassili1112134ORCID,Zhang Gaixia1234,Sun Shuhui1234ORCID,Dodelet Jean-Pol1234ORCID

Affiliation:

1. INRS-Énergie

2. Matériaux et Télécommunications

3. Québec

4. Canada

5. TU Darmstadt

6. Graduate School Energy Science and Engineering

7. Department of Materials- and Earth Sciences and Department of Chemistry

8. 64287 Darmstadt

9. Germany

10. Canetique Electrocatalysis

11. Department of Chemical and Biochemical Engineering

12. University of Western Ontario

13. London

Abstract

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

Funder

Deutsche Forschungsgemeinschaft

Publisher

Royal Society of Chemistry (RSC)

Subject

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

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