1. Battery and Electrochemistry Laboratory, Institute of Nanotechnology, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz
1, 76344 Eggenstein-Leopoldshafen, Germany
2. BASF SE, 67056 Ludwigshafen,
Germany
3. Laboratory for Electron
Microscopy, Karlsruhe Institute of Technology, Engesserstrasse 7, 76131 Karlsruhe, Germany
4. Institute of Physical Chemistry, Justus-Liebig-University Giessen, Heinrich-Buff-Ring
58, 35392 Giessen, Germany