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research article

Pyrazolium Ionic Liquid Co-catalysts for the Electroreduction of CO2

Vasilyev, Dmitry  
•
Shirzadi, Erfan
•
Rudnev, Alexander V.
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2018
ACS Applied Energy Materials

Pyrazolium ionic liquids (Pz ILs) were employed as co-catalysts for electrochemical conversion of CO2 to CO on a silver disk electrode, leading to a significant decrease in the onset potential for the reduction (ca. 500 mV). The electrochemical conversion of CO2 to CO proceeds in acetonitrile-based electrolytes containing Pz IL co-catalysts with Faradaic efficiencies (FEs) of nearly 100% over a range of at least 0.5 V, and the Pz cations remain intact over prolonged CO2 electrolysis. The impact of alkyl substituents on the Pz ring and the influence of water on the process are also discussed.

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Type
research article
DOI
10.1021/acsaem.8b01086
Author(s)
Vasilyev, Dmitry  
Shirzadi, Erfan
Rudnev, Alexander V.
Broekmann, Peter
Dyson, Paul J.
Date Issued

2018

Published in
ACS Applied Energy Materials
Volume

1

Issue

10

Start page

5124

End page

5128

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LCOM  
Available on Infoscience
January 14, 2019
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/153457
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