1. Universität Bremen; Energiespeicher- und Energiewandlersysteme; Bibliothekstraße 1 28359 Bremen Germany
2. University of Bremen; Faculty of Production Engineering Innovative Sensor and Functional Materials Research Group; Badgasteiner Str. 1 28359 Bremen Germany
3. Fraunhofer Institute for Manufacturing Technology and Advanced; Materials - IFAM; Wiener Str. 12 28359 Bremen Germany