1. Dpto. Física de la Materia Condensada andInstituto de Ciencia de Materiales de SevillaUniversidad de Sevilla—CSIC Avda. Reina Mercedes SN 41012 Seville Spain
2. University of MünsterMEET Battery Research CenterInstitute of Physical Chemistry Corrensstraße 46 48149 Münster Germany
3. Helmholtz Institute Münster, IEK-12Forschungszentrum Jülich GmbH Corrensstraße 46 48149 Münster Germany