1. N. Copernicus University, Department of Chemistry, Physicochemistry of Carbon Materials Research Group, Gagarin St. 7, 87-100 Toruń, Poland, Faculty of Fuels and Energy, AGH - University of Science and Technology, Al. Mickiewicza 30, 30-059 Cracow, Poland, and Department III, Institute of Physical Chemistry, Polish Academy of Science, Kasprzaka Street 44/52, 01-224 Warsaw, Poland