1. Institut de Chimie et des Matériaux Paris-Est, UPEC−CNRS, UMR 7182, 2 rue Henri Dunant, 94320 Thiais, France
2. Institute for Energy Technology, Department of Energy
Systems, 2007 Kjeller, Norway
3. SINQ-HRPT, Paul Scherrer Institute, 5232 Villigen, Switzerland
4. Norwegian University of Science and Technology, 7491, Trondheim, Norway