1. BASF SE, 67056 Ludwigshafen, Germany
2. Helmholtz Institute Ulm for Electrochemical Energy Storage, Helmholtzstr. 11, 89081 Ulm, Germany
3. St. Petersburg State University, Ulyanovskaya Str. 1, 198504 St. Petersburg, Russia
4. Helmholtz-Zentrum Berlin für Materialien und Energie, Hahn-Meitner-Platz 1, 14109 Berlin, Germany
5. Institute of Physical Chemistry & Center for Materials Research, Justus-Liebig-University Giessen, Heinrich-Buff-Ring 17, 35392 Giessen, Germany