• CNRS, Centre national de la recherche scientifique, France

  • Fraunhofer-Institut für Solare Energiesysteme ISE, Freiburg, Germany

  • Universität Duisburg-Essen, Germany

  • DTU, Danish Technical University, Denmark

  • The hydrogen and fuel cell center ZBT GmbH, Duisburg, Germany
    ZBT's Förderverein (Associaton of Supporting Organisations)