1. CICECO─Aveiro Institute of Materials, Department of Materials and Ceramic Engineering, University of Aveiro, 3810-193 Aveiro, Portugal
2. Institute of Power Engineering, Mory 8, Warsaw 01-330, Poland
3. CTH2─Center for Hydrogen Technologies, Institute of Power Engineering, Augustowka 36, Warsaw 02-981, Poland
4. ISIS Facility, Rutherford Appleton Laboratory, Harwell Oxford, Didcot OX11 0QX, U.K.