1. Electrochemistry Laboratory, Paul Scherrer Institut, CH-5232, Villigen, Switzerland
2. Photon Science Division, Swiss Light Source, Paul Scherrer Institut, CH-5232, Villigen, Switzerland
3. Chair of Technical Electrochemistry, Department of Chemistry and Catalysis Research Center, Technical University of Munich, Munich 80333, Germany
4. Department of Information Technology and Electrical Engineering, ETH Zurich, CH-8092 Zurich, Switzerland
5. Institute of Physics, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne 1015, Switzerland