Journal
CHEMCATCHEM
Volume 12, Issue 8, Pages 2209-2214Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cctc.202000004
Keywords
Spinel oxides; OER; Synergetic effect
Categories
Funding
- National Natural Science Foundation of China [11572057, 11832007, 51702027]
- China Postdoctoral Science Foundation [2018M631082]
- Application and Foundation Research Projects of Sichuan Province [2019YJ0668]
- Guangdong Innovation Research Team for Higher Education [2017KCXTD030]
- High-level Talents Project of Dongguan University of Technology [KCYKYQD2017017]
- Nuclear Power Institute of China [ATF-ATF161-FW-HT-103]
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FeCoNi spinel oxides nanosheets array directly supported on the Ni foam substrate were prepared via a facile wet chemical method with 2-methylimidazole as a structure directing agent and subsequently annealing. The as-prepared 0.1Fe-CoNiO/NF offers high intrinsic catalytic activity, high surface area and good conductivity, resulting in enhanced activity for the oxygen evolution reaction (OER) in the alkaline solution. It demonstrates an ultralow overpotentials of 240 mV at 10 mA cm(-2) and a small Tafel slope of 36.8 mV dec(-1), with attractive durability during long-term operation in 1 M KOH solution.
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