1. Department of Physics, Physics of Energy Conversion and StorageTechnical University of Munich James-Franck-Str. 1 85748 Garching bei München Germany
2. BMW Group Taunusstr. 41 80809 München Germany
3. Department of Chemistry, Chair of Technical ElectrochemistryTechnical University of Munich Lichtenbergstraße 4 85748 Garching bei München Germany
4. Catalysis Research CenterTechnical University of Munich Ernst-Otto-Fischer-Str. 1 85748 Garching bei München Germany