1. Department
of Physical Chemistry, Institute of Chemistry, Eötvös Loránd University, H-1117 Budapest, Pázmány Péter sétány 1/A, Hungary
2. Battery
and Electrochemistry Laboratory, Institute of Nanotechnology, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
3. Nanosystems Initiative
Munich (NIM), Schellingstrasse 4, 80799 Munich, Germany
4. Physik-Department
ECS, Technische Universität München, James-Franck-Strasse 1, 85748 Garching, Germany