Braun, Tobias ; Dinda, Sirshendu ; Karkera, Guruprakash ; Melinte, Georgian ; Diemant, Thomas ; Kübel, Christian ; Fichtner, Maximilian ; Pammer, Frank (2024)
Multi‐Component PtFeCoNi Core‐Shell Nanoparticles on MWCNTs as Promising Bifunctional Catalyst for Oxygen Reduction and Oxygen Evolution Reactions.
In: ChemistrySelect, 2023, 8 (29)
doi: 10.26083/tuprints-00024688
Artikel, Zweitveröffentlichung, Verlagsversion
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Kurzbeschreibung (Abstract)
The development of commercially viable fuel cells and metal‐air batteries requires effective and cheap bifunctional catalysts for the oxygen reduction reaction (ORR) and the oxygen evolution reaction (OER). Multi‐component Pt−Fe−Co−Ni nanoparticles on multi‐walled carbon nanotubes (MWCNTs) were synthesized by wet chemistry route via NaBH₄ reduction of metal salts, followed by sintering at different temperatures. The catalyst demonstrates an excellent ORR activity and a promising OER activity in 0.1 m KOH, with a bi‐functional over‐potential, ΔE of 0.83 V, which is comparable to the values of Pt/C or RuO₂. Furthermore, it shows outstanding long‐term stability in ORR and OER, namely diffusion limited current density at a potential of 0.3 V decreased just by 5.5 % after 10000 cycles in ORR. The results of the PFCN@NT³⁰⁰ indicate a significant effect of the substitution of Pt by the transition metal (TM) and the formation of nanoparticles on the catalytic performance, especially in the OER.
| Typ des Eintrags: | Artikel | ||||
|---|---|---|---|---|---|
| Erschienen: | 2024 | ||||
| Autor(en): | Braun, Tobias ; Dinda, Sirshendu ; Karkera, Guruprakash ; Melinte, Georgian ; Diemant, Thomas ; Kübel, Christian ; Fichtner, Maximilian ; Pammer, Frank | ||||
| Art des Eintrags: | Zweitveröffentlichung | ||||
| Titel: | Multi‐Component PtFeCoNi Core‐Shell Nanoparticles on MWCNTs as Promising Bifunctional Catalyst for Oxygen Reduction and Oxygen Evolution Reactions | ||||
| Sprache: | Englisch | ||||
| Publikationsjahr: | 9 Februar 2024 | ||||
| Ort: | Darmstadt | ||||
| Publikationsdatum der Erstveröffentlichung: | 2023 | ||||
| Ort der Erstveröffentlichung: | Weinheim | ||||
| Verlag: | Wiley-VCH | ||||
| Titel der Zeitschrift, Zeitung oder Schriftenreihe: | ChemistrySelect | ||||
| Jahrgang/Volume einer Zeitschrift: | 8 | ||||
| (Heft-)Nummer: | 29 | ||||
| Kollation: | 9 Seiten | ||||
| DOI: | 10.26083/tuprints-00024688 | ||||
| URL / URN: | https://tuprints.ulb.tu-darmstadt.de/24688 | ||||
| Zugehörige Links: | |||||
| Herkunft: | Zweitveröffentlichung DeepGreen | ||||
| Kurzbeschreibung (Abstract): | The development of commercially viable fuel cells and metal‐air batteries requires effective and cheap bifunctional catalysts for the oxygen reduction reaction (ORR) and the oxygen evolution reaction (OER). Multi‐component Pt−Fe−Co−Ni nanoparticles on multi‐walled carbon nanotubes (MWCNTs) were synthesized by wet chemistry route via NaBH₄ reduction of metal salts, followed by sintering at different temperatures. The catalyst demonstrates an excellent ORR activity and a promising OER activity in 0.1 m KOH, with a bi‐functional over‐potential, ΔE of 0.83 V, which is comparable to the values of Pt/C or RuO₂. Furthermore, it shows outstanding long‐term stability in ORR and OER, namely diffusion limited current density at a potential of 0.3 V decreased just by 5.5 % after 10000 cycles in ORR. The results of the PFCN@NT³⁰⁰ indicate a significant effect of the substitution of Pt by the transition metal (TM) and the formation of nanoparticles on the catalytic performance, especially in the OER. |
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| Alternatives oder übersetztes Abstract: |
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| Freie Schlagworte: | bifunctional electrocatalyst, core-shell nanoparticles, electrocatalysis, OER, ORR | ||||
| ID-Nummer: | Artikel-ID: e202300396 | ||||
| Status: | Verlagsversion | ||||
| URN: | urn:nbn:de:tuda-tuprints-246887 | ||||
| Sachgruppe der Dewey Dezimalklassifikatin (DDC): | 500 Naturwissenschaften und Mathematik > 540 Chemie 600 Technik, Medizin, angewandte Wissenschaften > 660 Technische Chemie |
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| Fachbereich(e)/-gebiet(e): | 11 Fachbereich Material- und Geowissenschaften 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > In-Situ Elektronenmikroskopie |
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| Hinterlegungsdatum: | 09 Feb 2024 13:43 | ||||
| Letzte Änderung: | 12 Feb 2024 07:18 | ||||
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| Suche nach Titel in: | TUfind oder in Google | ||||
Verfügbare Versionen dieses Eintrags
- Multi‐Component PtFeCoNi Core‐Shell Nanoparticles on MWCNTs as Promising Bifunctional Catalyst for Oxygen Reduction and Oxygen Evolution Reactions. (deposited 09 Feb 2024 13:43) [Gegenwärtig angezeigt]
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