1. Faculty of Applied Engineering Sciences, University College Ghent, Schoonmeersstraat 52 (C), 9000 Ghent, Belgium
2. Department of Inorganic and Physical Chemistry, Ghent University, Krijgslaan 281 (S3), 9000 Ghent, Belgium
3. Department of Materials Science and Engineering, Ghent University, Technologiepark 903, 9052 Zwijnaarde, Belgium
4. Zenergy Power GmbH, Heisenbergstrasse 16, 53359 Rheinbach, Germany
5. Department of Solid State Sciences, Ghent University, Krijgslaan 281 (S1), 9000 Ghent, Belgium
6. Imec, Division Imomec, Wetenschapspark 1, 3590 Diepenbeek, Belgium