1. Institute for Applied Materials Energy Storage Systems Karlsruhe Institute of Technology Hermann‐von‐Helmholtz‐Platz 1 D‐76344 Eggenstein‐Leopoldshafen Germany
2. Helmholtz Institute Ulm D‐89081 Ulm Germany
3. Karlsruhe Nano Micro Facility (KNMFi) Karlsruhe Institute of Technology Hermann‐von‐Helmholtz‐Platz 1 D‐76344 Eggenstein‐Leopoldshafen Germany
4. Department of Physics Materials Science Center Philipps‐Universität Marburg Hans Meerwein Str. 6 D‐35032 Marburg Germany