Issue 110, 2014
From the journal:

RSC Advances

Electrochemical studies of CO2 in imidazolium ionic liquids using silver as a working electrode: a suitable approach for determining diffusion coefficients, solubility values, and electrocatalytic effects

Irene Reche,a   Iluminada Gallardoa  and  Gonzalo Guirado*a  

* Corresponding authors

a Departament de Química, Universitat Autònoma de Barcelona, 08193-Bellaterra, Barcelona, Spain
E-mail: gonzalo.guirado@uab.cat

Abstract

A report is presented on the use of cyclic voltammetry using silver as a working electrode in imidazolium ionic liquids. The electrocatalytic properties of silver allow cyclic voltammetry to be turned into an ideal tool to have a simple and accurate access to diffusion coefficient values and solubility values of carbon dioxide in ionic liquids under standard conditions. Besides, the determination of the reduction peak potential values of carbon dioxide in ionic liquids also makes it possible to “energetically” quantify the benefits of using silver electrodes and imidazolium ionic liquids. The combined use of silver, as electrocatalytic material, and imidazolium ionic liquids, as a co-catalyst, enables the electrochemical reduction of CO2 to be decreased by up to 0.8 V!

Graphical abstract: Electrochemical studies of CO2 in imidazolium ionic liquids using silver as a working electrode: a suitable approach for determining diffusion coefficients, solubility values, and electrocatalytic effects

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Article information

DOI
https://doi.org/10.1039/C4RA11297K
Article type
Paper
Submitted
26 Sep 2014
Accepted
14 Nov 2014
First published
27 Nov 2014

RSC Adv., 2014,4, 65176-65183

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Electrochemical studies of CO2 in imidazolium ionic liquids using silver as a working electrode: a suitable approach for determining diffusion coefficients, solubility values, and electrocatalytic effects

I. Reche, I. Gallardo and G. Guirado, RSC Adv., 2014, 4, 65176 DOI: 10.1039/C4RA11297K

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