1. BCES Birmingham Centre of Energy Storage & School of Chemical Engineering, University of Birmingham, Birmingham B15 2TT D - 22941 Bargteheide, United Kingdom
2. Eurotechnica GmbH, Bargteheide, Germany
3. Centre for Cooperative Research on Alternative Energies (CIC energiGUNE), Basque Research and Technology Alliance (BRTA), Alava Technology Park, Albert Einstein 48, Vitoria-Gasteiz 01510, Spain
4. Institute of Chemistry, University of Silesia, Szkolna 9, 40-006 Katowice, Poland