1. Paul Scherrer Institut 5232 Villigen PSI Switzerland
2. Department Chemie und Pharmazie Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg Egerlandstraße 3 91058 Erlangen Germany
3. Institute of Inorganic Chemistry I Ulm University Albert-Einstein-Allee 47 89081 Ulm Germany
4. Helmholtz Institute Ulm Electrochemical Energy Storage Helmholtzstr. 11 89081 Ulm Germany