1. The European Synchrotron Radiation Facility (ESRF), ID 31 Beamline, 38000 Grenoble, France
2. Electrochemical Energy, Catalysis and Material Science Laboratory, Department of Chemistry, Technical University Berlin, 10623 Berlin, Germany
3. Faculty of Mathematics and Physics, Department of Surface and Plasma Science, Charles University, V Holešovičkách 2, 18000 Prague 8, Czech Republic
4. ICGM, Université Montpellier, CNRS, ENSCM, 34095 Montpellier Cedex 5, France
5. Johnson Matthey Technology Centre, Blount’s Court, Sonning Common, Reading RG4 9NH, United Kingdom