Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 53, Issue 29, Pages 7547-7551Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201404208
Keywords
aerosol sprays; heterogeneous catalysis; metal oxides; oxygen evolution reaction; water splitting
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Funding
- National Natural Science Foundation of China [21271009]
- Program for New Century Excellent Talents in University [NCET 11-0888]
- Doctoral Fund of the Ministry of Education of China [20123424110002]
- Science and Technological Fund of Anhui Province for Outstanding Youth [1308085JGD01]
- Foundation of Key Project of Natural Science of Anhui Education Committee [KJ2012A143]
- Program for Innovative Research Team at Anhui Normal University
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An aerosol-spray-assisted approach (ASAA) is proposed and confirmed as a precisely controllable and continuous method to fabricate amorphous mixed metal oxides for electrochemical water splitting. The proportion of metal elements can be accurately controlled to within (5 +/- 5)%. The products can be sustainably obtained, which is highly suitable for industrial applications. ASAA was used to show that Fe6Ni10Ox is the best catalyst among the investigated Fe-Ni-Ox series with an overpotential of as low as 0.286 V (10 mAcm(-2)) and a Tafel slope of 48 mV/decade for the electrochemical oxygen evolution reaction. Therefore, this work contributes a versatile, continuous, and reliable way to produce and optimize amorphous metal oxide catalysts.
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