1. Institute of ElectrochemistryUlm University Albert-Einstein-Allee 47 89081 Ulm Germany
2. Helmholtz-Institute Ulm (HIU) Electrochemical Energy Storage Helmholtzstr. 11 89081 Ulm Germany
3. Karlsruhe Institute of Technology (KIT) P.O. Box 3640 76021 Karlsruhe Germany
4. Faculty of Physical ScienceUniversity of Iceland VR-III 107 Reykjavik Iceland