1. ECHEM Centre of Competence in Applied Electrochemistry, Viktor Kaplan-Straße 2, A-2700 Wiener Neustadt, Austria
2. Vienna University of Technology, Institute of Chemical Technology and Analytics, Getreidemarkt 9/164, A-1060 Wien, Austria
3. Vienna University, Faculty of Chemistry, W¨ahringer Straße 42, A-1090 Wien, Austria