期刊
DALTON TRANSACTIONS
卷 51, 期 13, 页码 5053-5060出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2dt00127f
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资金
- Natural Science Foundation of Heilongjiang Province [YQ2019E031, LH2019A016]
- National Natural Science Foundation of China [12074095, 22078072]
In this study, a facile approach was proposed to construct NiFe-MOF nanosheets on Fe foam as self-supporting electrodes for the oxygen evolution reaction. The NiFe-MOF/FF electrode showed impressive electrocatalytic performance and outstanding stability.
2D bimetal metal organic frameworks (MOFs) are recognized as one of the most promising electrocatalysts for the oxygen evolution reaction (OER). Herein, a facile approach was proposed to construct NiFe-MOF nanosheets on Fe foam (FF). As a self-supporting electrode, the NiFe-MOF/FF electrode shows impressive electrocatalytic OER performance. Specifically, it exhibits an ultra-low overpotential of 216 mV to reach a current density of 50 mA cm(-2), and outstanding stability (beyond 50 h at 200 mA cm(-2)). The excellent performances of NiFe-MOF/FF arise from the highly exposed active centers, the excellent conductivity, and the synergy effect between Ni and Fe. This research provides a promising strategy for the synthesis of multi-metal MOFs as high-efficiency electrocatalysts.
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