期刊
CHEMNANOMAT
卷 7, 期 8, 页码 906-909出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cnma.202100153
关键词
Co-MOF nanosheet arrays; nickel foam; water oxidation; alkaline reaction
Researchers have developed a Co-MOF nanosheet array catalyst grown on a three-dimensional conductive nickel foam for efficient alkaline oxygen evolution electrocatalysis, demonstrating excellent electrochemical performance.
It's highly desirable to devise and develop non-precious metal catalysts for efficient water oxidation catalysis in alkaline solution. Herein, we report Co-MOF nanosheet arrays grown on the three dimensional conductive nickel foam (Co-MOF/NF) through a hydro-thermal process for efficient alkaline oxygen evolution electrocatalysis. Such catalyst displays an excellent electrochemical performance by achieving an overpotential of 290 mV at 20 mA cm(-2) in 1.0 M KOH. Besides, it possesses both a good electrochemical stability and a high turnover frequency of 0.14 s(-1) at the overpotential of 400 mV.
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