1. Institute of Inorganic Chemistry Kiel University Max-Eyth-Str. 2 24118 Kiel Germany
2. Institute for Applied Materials - Energy Storage Systems Karlsruhe Institute of Technology P.O. Box 3640 76021 Karlsruhe Germany
3. Deutsches Elektronen-Synchrotron (DESY) Notkestr. 85 22607 Hamburg Germany
4. Diamond Light Source Harwell Science and Innovation Campus, Diamond House, Didcot Oxfordshire OX11 0DE United Kingdom