1. Laboratory of Industrial
Chemistry, Ruhr-University Bochum, 44780 Bochum, Germany
2. Fraunhofer UMSICHT, 46047 Oberhausen, Germany
3. Huntsman Pigments and Additives, Dr. Rudolf-Sachtleben Str. 4, 47198 Duisburg, Germany
4. Institute of Electrochemistry, Ulm University, Albert-Einstein-Allee 47, 89069 Ulm, Germany
5. Max Planck Institute for Chemical EnergyConversion, Stiftstraße 34-36, 45470 Mülheim an der Ruhr, Germany