1. Faculty of Materials Science and Ceramics, AGH University of Krakow, al. Mickiewicza 30, 30-059 Krakow, Poland
2. Faculty of Physics and Applied Computer Science, AGH University of Krakow, al. Mickiewicza 30, 30-059 Krakow, Poland
3. Fakultät für Chemie und Biochemie, Anorganische Chemie I, Ruhr-Universität Bochum, Universitätsstrasse 150, 44801 Bochum, Germany
4. Department for Electrosynthesis, Fraunhofer UMSICHT, Osterfelder Street 3, 46047 Oberhausen, Germany