Microwave-assisted synthesis of multimetal oxygen-evolving catalysts |
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| Institution: | 1. The Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China;2. Department of Physics, Umeå University, 90187 Umeå, Sweden;3. University of Chinese Academy of Sciences, Beijing 100049, China;1. European X-Ray Free-Electron Laser Facility GmbH, Schenefeld 22869, Germany;2. European XFEL GmbH, Holzkoppel 4, 22869 Schenefeld, Germany;3. Surface Chemistry and Catalysis Dept., MTA Centre for Energy Research, Budapest 29-33, H-1121, Konkoly Thege str, Hungary;4. Dept. of Inorganic Chemistry, Wrocław Medical University, Borowska 211a, 50-552 Wroclaw, Poland;5. Dept. of Chemistry of Drugs, Wrocław Medical University, Borowska 211a, 50-552 Wroclaw, Poland;6. Faculty of Chemistry, University of Wrocław, F. Joliot-Curie 14, 50-383 Wrocław, Poland |
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| Abstract: | Oxygen evolution reaction (OER) plays a pivotal role in water-splitting. Here, we report a facile method to synthesize multimetal supported on commercial carbon black via a time-saving microwave process. Crystalline FeNi3 nanoparticles homogeneously doped with Mo are formed via a microwave treatment and activated to metal oxyhydroxide in-situ during cyclic voltammetry test with overpotential of only 280 mV at 10 mA cm− 2 for OER in alkaline electrolyte, outperforming RuO2. Our synthesis methodology is a promising alternative for large-scale production, delivering a valuable contribution to catalyst preparation and electrocatalytic water oxidation research. |
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