1. Helmholtz-Institute Münster IEK-12 Forschungszentrum Jülich GmbH 48149 Muenster Germany
2. Battery Science Branch U.S. Army Research Laboratory Adelphi Maryland 20783 United States
3. MEET Battery Research Center University of Münster and Helmholtz-Institute Münster, IEK-12, Forschungszentrum Jülich GmbH 48149 Muenster Germany