<i>Operando</i> Fe dissolution in Fe–N–C electrocatalysts during acidic oxygen reduction: impact of local pH change-Reference-Cited by-同舟云学术

Operando Fe dissolution in Fe–N–C electrocatalysts during acidic oxygen reduction: impact of local pH change

Published:2024 Issue:17 Volume:17 Page:6323-6337
ISSN:1754-5692
Container-title:Energy & Environmental Science
language:en
Short-container-title:Energy Environ. Sci.

Author:

Pedersen Angus¹²³^ORCID,Kumar Kavita⁴^ORCID,Ku Yu-Ping⁴⁵^ORCID,Martin Vincent³^ORCID,Dubau Laetitia³^ORCID,Santos Keyla Teixeira³^ORCID,Barrio Jesús¹²^ORCID,Saveleva Viktoriia A.⁶^ORCID,Glatzel Pieter⁶^ORCID,Paidi Vinod K.⁶^ORCID,Li Xiaoyan⁷,Hutzler Andreas⁴^ORCID,Titirici Maria-Magdalena²^ORCID,Bonnefont Antoine³^ORCID,Cherevko Serhiy⁴^ORCID,Stephens Ifan E. L.¹^ORCID,Maillard Frédéric³^ORCID

Affiliation:

1. Imperial College London, Department of Materials, Royal School of Mines, London SW7 2AZ, UK

2. Imperial College London, Department of Chemical Engineering, London SW7 2AZ, UK

3. Univ. Grenoble Alpes, Univ. Savoie-Mont-Blanc, CNRS, Grenoble-INP, LEPMI, 38000 Grenoble, France

4. Forschungszentrum Jülich GmbH, Helmholtz-Institute Erlangen-Nürnberg for Renewable Energy (HI ERN), Cauerstraße 1, 91058 Erlangen, Germany

5. Friedrich-Alexander-Universität Erlangen-Nürnberg, Department of Chemical and Biological Engineering, Cauerstraße 1, 91058 Erlangen, Germany

6. ESRF, The European Synchrotron, 71 Avenue des Martyrs, CS40220, 38043 Grenoble Cedex 9, France

7. Laboratoire de Physique des Solides CNRS, Université Paris Sud, 91405 Orsay, France

Abstract

Fe cations produced during the reduction of O2 on Fe–N–C materials transform into Fe-oxides due to a local increase in pH.

Funder

Agence Nationale de la Recherche

H2020 European Research Council

Engineering and Physical Sciences Research Council

Publisher

Royal Society of Chemistry (RSC)

Link

http://pubs.rsc.org/en/content/articlepdf/2024/EE/D4EE01995D

Reference93 articles.

1. Structural and Reactivity Effects of Secondary Metal Doping into Iron-Nitrogen-Carbon Catalysts for Oxygen Electroreduction

2. Performance enhancement and degradation mechanism identification of a single-atom Co–N–C catalyst for proton exchange membrane fuel cells

3. Atomically Dispersed MnN4 Catalysts via Environmentally Benign Aqueous Synthesis for Oxygen Reduction: Mechanistic Understanding of Activity and Stability Improvements

4. P-block single-metal-site tin/nitrogen-doped carbon fuel cell cathode catalyst for oxygen reduction reaction

5. Chemical vapour deposition of Fe–N–C oxygen reduction catalysts with full utilization of dense Fe–N4 sites