1. Friedrich-Alexander-University Erlangen-Nürnberg (i-MEET); Martensstrasse 7 91058 Erlangen Germany
2. Energy Campus Nürnberg (EnCN); Fürther Strasse 250 90429 Nürnberg Germany
3. Bavarian Center for Applied Energy Research (ZAE Bayern); Haberstrasse 2a Erlangen 91058 Germany