1. Institute of Technical Thermodynamics / Electrochemical Energy Technology German Aerospace Center (DLR) Pfaffenwaldring 38–40 70569 Stuttgart Germany
2. GKN Sinter Metals Filters GmbH Dahlienstraße 43 42477 Radevormwald Germany
3. Westfälisches Energieinstitut Westfälische Hochschule University of Applied Sciences Neidenburger Str. 43 45897 Gelsenkirchen Germany
4. Department of Mechanical and Industrial Engineering Faculty of Applied Science and Engineering University of Toronto Toronto Ontario M5S 3G8 Canada
5. Institute for Building Energetics Thermotechnology and Energy Storage University of Stuttgart 70550 Stuttgart Germany