1 Supporting Information Cyclic Voltammetry using Silver as Cathode Material: A simple method for determining (Electro)-Chemical Features and Solubility Values of CO 2 in Ionic Liquids. Irene Reche, Iluminada Gallardo, and Gonzalo Guirado* Departament de Química, Universitat Autònoma de Barcelona, 08193-Bellaterra, Barcelona, Spain Table of Contents Page 1. Experimental details 2 2. Cyclic Voltammograms 4 3. References 7 Electronic Supplementary Material (ESI) for Physical Chemistry Chemical Physics. This journal is © the Owner Societies 2014