Converting carbon black into an efficient and multi-site ORR electrocatalyst: the importance of bottom-up construction parameters

Author:

Ribeiro Rui S.123ORCID,Florent Marc1ORCID,Delgado Juan J.45,Pereira M. Fernando R.23ORCID,Bandosz Teresa J.1ORCID

Affiliation:

1. Department of Chemistry and Biochemistry, The City College of The City University of New York, 160 Convent Avenue, New York, NY 10031, USA

2. LSRE-LCM – Laboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal

3. ALiCE – Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal

4. IMEYMAT: Institute of Research on Electron Microscopy and Materials, University of Cádiz, E11510 Puerto Real, Cádiz, Spain

5. Departamento de Ciencia de Materiales, Ingeniería Metalúrgica y Química Inorgánica, University of Cádiz, E11510 Puerto Real, Cádiz, Spain

Abstract

Surface modification of highly porous and conductive carbon black was performed. Preserved porosity, single-atom Fe–N centers, Fe nanoclusters, and other N-containing sites contribute to high electrocatalytic activity and stability towards the ORR.

Funder

Fundação para a Ciência e a Tecnologia

Ministério da Ciência, Tecnologia e Ensino Superior

Fulbright Portugal

Ministerio de Economía y Competitividad

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science

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