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 + NH 3 catalyst”’ by Xi Yin, Edward F. Holby and Piotr Zelenay, Energy Environ. Sci. , 10.1039/D0EE02069A - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Energy & Environmental Science Année : 2021

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 + NH 3 catalyst”’ by Xi Yin, Edward F. Holby and Piotr Zelenay, Energy Environ. Sci. , 10.1039/D0EE02069A

Jean-Pol Dodelet
Vassili Glibin
Gaixia Zhang
Ulrike Kramm
Régis Chenitz
François Vidal
Shuhui Sun
Marc Dubois

Résumé

The fast decay in PEM fuel cells of a highly active, high performance, but unstable Fe/N/C catalyst like our NC_Ar + NH 3 follows a chemical, not an electrochemical, demetallation mechanism for its ORR active FeN 4 sites in the catalyst micropores.

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Chimie
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Dates et versions

hal-03542479 , version 1 (25-01-2022)

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Jean-Pol Dodelet, Vassili Glibin, Gaixia Zhang, Ulrike Kramm, Régis Chenitz, et al.. 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 + NH 3 catalyst”’ by Xi Yin, Edward F. Holby and Piotr Zelenay, Energy Environ. Sci. , 10.1039/D0EE02069A. Energy & Environmental Science, 2021, 14 (2), pp.1034-1041. ⟨10.1039/D0EE03431B⟩. ⟨hal-03542479⟩
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