Issue 84, 2017

Carbon oxidation reactions could misguide the evaluation of carbon black-based oxygen-evolution electrocatalysts

Abstract

A variety of carbon-based materials have been reported as electrocatalysts towards the oxygen evolution reaction. However, carbon oxidation during the OER was rarely considered or even neglected in most of the reports. Herein, using carbon black as a model material, we develop a method to estimate the contribution of carbon oxidation reactions (CORs) to the measured current during the OER test. It is shown that the CORs could result in significant overestimation of the OER activity of carbon black-based electrocatalysts.

Graphical abstract: Carbon oxidation reactions could misguide the evaluation of carbon black-based oxygen-evolution electrocatalysts

Supplementary files

Article information

Article type
Communication
Submitted
14 Jun 2017
Accepted
28 Sep 2017
First published
28 Sep 2017

Chem. Commun., 2017,53, 11556-11559

Carbon oxidation reactions could misguide the evaluation of carbon black-based oxygen-evolution electrocatalysts

W. Wang, J. Luo and S. Chen, Chem. Commun., 2017, 53, 11556 DOI: 10.1039/C7CC04611A

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