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

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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 a 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 an 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 an overpotential of 400 mV.

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

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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., 2018, Advance Article
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    A Co-MOF nanosheet array as a high-performance electrocatalyst for the oxygen evolution reaction in alkaline electrolytes

    X. Zhang, W. Sun, H. Du, R. Kong and F. Qu, Inorg. Chem. Front., 2018, Advance Article , DOI: 10.1039/C7QI00630F

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