at Google ScholarTitle data
Gernhard, Marius ; Rautenberg, M. ; Hörner, Gerald ; Weber, Birgit ; Emmerling, Franziska ; Roth, Christina:
Mechanochemical Synthesis as a Greener Way to Produce Iron‐based Oxygen Reduction Catalysts.
In: Zeitschrift für anorganische und allgemeine Chemie.
Vol. 647
(2021)
Issue 22
.
- pp. 2080-2087.
ISSN 1521-3749
DOI: https://doi.org/10.1002/ZAAC.202100194
Abstract in another language
Iron-based catalysts have been reported manifold and studied as platinum group metal (PGM) free alternatives for the catalysis of the oxygen reduction reaction (ORR). However, their sustainable preparation by greener synthesis approaches is usually not discussed. In this work, we propose a new method for the sustainable preparation of such catalysts by using a mechanochemical approach, with no solvents and non-toxic chemicals. The materials obtained from low temperature carbonization (700 °C) exhibit considerable and stable catalytic performance for ORR in alkaline medium. A catalyst obtained from iron hydroxide, tryptophan, dicyandiamide, and ammonium nitrate shows the best electrocatalytic performance with an overpotential of 921 mV vs. RHE at 0.1 mA/cm2 and an electron transfer number of 3.4.
Further data
| Item Type: | Article in a journal |
|---|---|
| Refereed: | Yes |
| Additional notes: | Dedicated to Professor Josef Breu on the occasion of his 60th birthday |
| Keywords: | PGM-free catalyst; Oxygen Reduction Reaction; AEMFC; Mössbauer Spectroscopy; Sustainable Synthesis |
| Institutions of the University: | Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Inorganic Chemistry IV > Chair Inorganic Chemistry IV - Univ.-Prof. Dr. Birgit Weber Faculties Faculties > Faculty of Biology, Chemistry and Earth Sciences Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Inorganic Chemistry IV |
| Result of work at the UBT: | Yes |
| DDC Subjects: | 500 Science > 540 Chemistry |
| Date Deposited: | 16 Sep 2021 09:26 |
| Last Modified: | 19 Apr 2022 09:59 |
| URI: | https://eref.uni-bayreuth.de/id/eprint/67044 |