1. Institute of Applied and Numerical Mathematics Karlsruhe Institute of Technology (KIT) Englerstr. 2 76131 Karlsruhe Germany
2. Institute of Engineering Thermodynamics German Aerospace Center (DLR) Pfaffenwaldring 38–40 70569 Stuttgart Germany
3. Helmholtz Institute Ulm (HIU) Helmholtzstr. 11 89081 Ulm Germany
4. Institute of Electrochemistry Ulm University (UUlm) Albert-Einstein-Allee 47 89081 Ulm Germany