1. Department of Chemistry, University of Warsaw, ul. Pasteura 1, 02-093 Warsaw, Poland
2. Laboratory of Electrocatalysis, LACCO-UMR-CNRS 6503, University of Poitiers, 4, rue Michel Brunet - B27 BP 633, F-86022 Poitiers, France
3. Institute of Physical Chemistry, PAS, Kasprzaka 44/52, 01-224 Warsaw, Poland
4. Faculty of Materials Science and Engineering, Warsaw University of Technology, Woloska 141, 02-507 Warsaw, Poland