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Micro-Kinetic Model of Electrochemical Carbon Dioxide Reduction over Platinum in Non-Aqueous Solvents

Abstract

The competition between the hydrogen evolution reaction and the electrochemical reduction of carbon dioxide to multi-carbon products is a well-known challenge. In this study, we present a simple micro-kinetic model of these competing reactions over a platinum catalyst under a strong reducing potential at varying proton concentrations in a non-aqueous solvent. The model provides some insight into the mechanism of reaction and suggests that low proton concentration and a high fraction of stepped sites is likely to improve selectivity to multi-carbon products.

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Article information


Submitted
22 Oct 2019
Accepted
29 Jan 2020
First published
10 Feb 2020

Phys. Chem. Chem. Phys., 2020, Accepted Manuscript
Article type
Paper

Micro-Kinetic Model of Electrochemical Carbon Dioxide Reduction over Platinum in Non-Aqueous Solvents

B. A. Rohr, A. R. Singh, J. A. Gauthier, M. J. Statt and J. K. Nørskov, Phys. Chem. Chem. Phys., 2020, Accepted Manuscript , DOI: 10.1039/C9CP05751J

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