Issue 2, 2018

A 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 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

Supplementary files

Article information

Article type
Research Article
Submitted
12 Oct 2017
Accepted
03 Dec 2017
First published
04 Dec 2017

Inorg. Chem. Front., 2018,5, 344-347

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, 5, 344 DOI: 10.1039/C7QI00630F

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