期刊
NEW JOURNAL OF CHEMISTRY
卷 44, 期 40, 页码 17477-17482出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0nj02305a
关键词
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资金
- Department of Education Basic Research Operating Costs of Heilongjiang Province, China [300663]
We fabricated hierarchically porous, hybrid-metal-atom-doped (Co, Fe and Mn) NiMoO(4)nanotubes through room-temperature metal atom incorporation and subsequent thermal treatment under an air atmosphere. The incorporation of hybrid metal atoms significantly improved the oxygen evolution reaction (OER) activity of the nanotubes. In general, the Fe-NiMoO(4)nanotubes exhibited much better electrocatalytic activity for the OER than single-phase NiMoO(4)nanotubes and most other catalysts. To drive a current density of 10 mA cm(-2), the Fe-NiMoO(4)catalyst only required an overpotential of 217 mV, which is comparable to the integrated performance of commercial IrO2. Furthermore, the Fe-NiMoO(4)catalyst showed a stable performance during CV sweeps and long-term tests. The superior activity and long-term stability demonstrate that the hierarchical Fe-NiMoO(4)nanotube catalyst has promising potential for applications in large-scale water splitting.
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