1. German Aerospace Center (DLR) Institute of Engineering Thermodynamics 70569 Stuttgart Germany
2. Helmholtz Institute Ulm for Electrochemical Energy Storage (HIU) 89081 Ulm Germany
3. Ulm University (UUlm) Institute of Stochastics 89081 Ulm Germany
4. Ulm University (UUlm) Institute of Electrochemistry 89081 Ulm Germany