1. Helmholtz Institute Ulm for Electrochemical Energy Storage (HIU) Helmholtzstraße 11 89081 Ulm Germany
2. Institute for Applied MaterialsKarlsruhe Institute of Technology Hermann-von-Helmholtz-Platz 1 Eggenstein-Leopoldshafen Germany
3. Institute for Chemistry and Technology of MaterialsGraz University of Technology Stremayrgasse 9 8010 Graz Austria