An Ingeniously Assembled Metal-Organic Framework On The Surface Of Femn Co-Doped Ni(Oh)(2) As A High-Efficiency Electrocatalyst For The Oxygen Evolution Reaction
DALTON TRANSACTIONS(2021)
摘要
To overcome the problem of the sluggish kinetics of the oxygen evolution reaction (OER), it is of great significance to develop an efficient and stable non-noble metal-based OER catalyst for electrocatalytic energy conversion and storage. Herein, a complex of a metal-organic framework and hydroxide is synthesized by performing a ligand etching strategy on FeMn co-doped Ni(OH)(2) nanosheets in situ grown on nickel foam (FeMn-Ni(OH)(2)@MOF/NF). Benefiting from the unique sheet-on-sheet hierarchical structure, multi-metal active nodes and two active materials grown in situ, the resulting FeMn-Ni(OH)(2)@MOF/NF demonstrated brilliant OER activity with an overpotential of 199 mV to achieve a current density of 10 mA cm(-2) and long-term stability. This research will provide a new strategy for the design of high-performance OER electrocatalysts.
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Metal-Organic Frameworks
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