期刊
CHEMICAL COMMUNICATIONS
卷 55, 期 8, 页码 1044-1047出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8cc08511k
关键词
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资金
- National Natural Science Foundation of China [21773096]
- Fundamental Research Funds for the Central Universities [lzujbky-2018-k08]
- Natural Science Foundation of Gansu [17JR5RA186]
In this study, we present an ingenious design of Fe-modulated nickel hydroxide hollow nanocubes with a systematically engineered structure. The Ni0.75Fe0.25(OH)(x) sample exhibits good O-2 evolution activity, which should be attributed to electronic modulation and abundant oxygen vacancies. Based on Pourbaix slope analysis, a two proton-one electron transfer is discovered in the amorphous Ni0.75Fe0.25(OH)(x) catalyst. Ni0.75Fe0.25(OH)(x) exhibits an enhanced performance for the electrocatalytic OER with a low overpotential of 310 mV at a current density of 10 mA cm(-2).
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