CO2 capture and electrochemical conversion using superbasic [P66614][124Triz]

Nathan Hollingsworth, S. F. Rebecca Taylor, Miguel T. Galante, Johan Jacquemin, Claudia Longo, Katherine B Holt, Nora H. de Leeuw, Christopher Hardacre

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)
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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.
Original languageEnglish
Pages (from-to)389-400
Number of pages12
JournalFaraday Discussions
Early online date03 Jul 2015
Publication statusPublished - 2015

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