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Volume 183, 2015
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CO2 capture and electrochemical conversion using superbasic [P66614][124Triz]

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The ionic liquid trihexyltetradecylphosphonium 1,2,4-triazolide, [P66614][124Triz], has been shown to chemisorb CO2 through equimolar binding of the carbon dioxide with the 1,2,4-triazolide anion. This leads to a possible new, low energy pathway for the electrochemical reduction of carbon dioxide to formate and syngas at low overpotentials, utilizing this reactive ionic liquid media. Herein, an electrochemical investigation of water and carbon dioxide addition to the [P66614][124Triz] on gold and platinum working electrodes is reported. Electrolysis measurements have been performed using CO2 saturated [P66614][124Triz] based solutions at −0.9 V and −1.9 V on gold and platinum electrodes. The effects of the electrode material on the formation of formate and syngas using these solutions are presented and discussed.

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Article information

22 May 2015
03 Jul 2015
First published
03 Jul 2015

Faraday Discuss., 2015,183, 389-400
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CO2 capture and electrochemical conversion using superbasic [P66614][124Triz]

N. Hollingsworth, S. F. R. Taylor, M. T. Galante, J. Jacquemin, C. Longo, K. B. Holt, N. H. de Leeuw and C. Hardacre, Faraday Discuss., 2015, 183, 389
DOI: 10.1039/C5FD00091B

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