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Operando X-ray absorption spectroscopy of Fe–N–C catalysts based on carbon black and biomass-derived support materials for the ORR

Name: Operando X-ray absorption spectroscopy of Fe–N–C catalysts based on carbon black and biomass-derived support materials for the ORR
Keywords: Fe-N-C, ORR, XAS, metal catalysts ; oxygen reduction reaction ORR, Pt-free

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2024 Germany Publisher:Royal Society of Chemistry (RSC)Journal:Sustainable Energy & Fuels, volume 8, pages 2,309-2,320 (eissn: 2398-4902,

Authors: Wartner, Garlef; Müller-Hülstede, Julia; Trzesniowski, Hanna; Wark, Michael; Wagner, Peter; Seidel, Robert;

doi: 10.1039/d4se00342j

Operando X-ray absorption spectroscopy of Fe–N–C catalysts based on carbon black and biomass-derived support materials for the ORR

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Abstract

Novel biomass based Fe–N–C catalysts exhibit a higher density of FeNx type sites with different redox characteristics compared to carbon black based Fe–N–Cs. These different characteristics are influenced by heteroatom doping and undercoordination.

Country

Germany

Related Organizations

Max Planck Society
Germany
Helmholtz Association of German Research Centres
Germany
Institute for Chemistry and Biology of the Marine Environment
Germany
Carl von Ossietzky University of Oldenburg
Germany
Helmholtz-Zentrum Berlin für Materialien und Energie
Germany

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Keywords

Fe-N-C, ORR, XAS, metal catalysts ; oxygen reduction reaction ORR, Pt-free

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Energy Research