1. Department of Chemical Engineering, Biotechnology and Environmental Technology University of Southern Denmark Campusvej 55 DK-5230 Odense M Denmark
2. Technical University of Denmark Department of Energy Conversion and Storage Frederiksborgvej 399 4000 Roskilde Denmark
3. IRD Fuel Cells A/S Emil Neckelmanns Vej 15 A&B 5220 Odense SØ Denmark