期刊
NANOSCALE
卷 10, 期 5, 页码 2213-2217出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7nr08472b
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资金
- National Natural Science Foundation of China [21575137]
It is of great importance to design and develop highly active electrocatalysts for the hydrogen evolution reaction (HER) under alkaline conditions. In this work, we report the development of a CeO2-Cu3P nanoarray supported on nickel foam (CeO2-Cu3P/NF) as an excellent HER catalyst with the demand of an overpotential of only 148 mV to deliver a geometrical catalytic current density of 20 mA cm(-2) in 1.0 M KOH. Remarkably, this catalyst also shows strong long-term electrochemical durability for at least 100 h with nearly 100% Faradaic efficiency. Density functional theory calculations reveal that the CeO2-Cu3P/NF hybrid has a lower water dissociation energy and a more thermo-neutral hydrogen adsorption free energy.
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