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Co-MOF nanosheet array as a high-performance electrocatalyst for the oxygen evolution reaction in alkaline electrolytes

Abstract

It is highly attractive to develop high-performance non-noble-metal electrocatalysts for water oxidation in alkaline media. In this communication, we report the hydrothermal growth of Co-MOF nanosheet array on Ni foam (Co-MOF/NF) as a 3D oxygen evolution reaction catalyst in alkaline media. The Co-MOF/NF demonstrates superior activity and needs overpotential of only 311 mV to drive a geometrical catalytic current density of 50 mA cm-2 in 1.0 M KOH. Notably, this catalyst also demonstrates superior long-term electrochemical durability for at least 105 h, and it achieves a high turnover frequency of 0.18 mol O2 s-1 at overpotential of 400 mV.

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Publication details

The article was received on 12 Oct 2017, accepted on 03 Dec 2017 and first published on 04 Dec 2017


Article type: Research Article
DOI: 10.1039/C7QI00630F
Citation: Inorg. Chem. Front., 2017, Accepted Manuscript
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    Co-MOF nanosheet array as a high-performance electrocatalyst for the oxygen evolution reaction in alkaline electrolytes

    X. Zhang, C. Si, H. Du, R. Kong and F. Qu, Inorg. Chem. Front., 2017, Accepted Manuscript , DOI: 10.1039/C7QI00630F

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