1 Institute of Chemistry and Technical Electrochemistry, Poznan University of Technology Berdychowo 4 60-965 Poznań Poland piotr.krawczyk@put.poznan.pl.
2 Faculty of Technical Physics, Poznan University of Technology Piotrowo 3 60-965 Poznań Poland.
3 Faculty of Materials Science and Ceramics, AGH University of Science and Technology al. Mickiewicza 30 30-059 Kraków Poland.