1. Joint Department of Electrochemical Energy Systems, 38A Vernadsky Avenue,
03142 Kyiv, Ukraine
2. Institute for Sorption and Problems of Endoecology, 13 Gen. Naumov Street,
03164 Kyiv, Ukraine
3. Kh. I. Amirkhanov Institute of Physics and Analytical Center of Common Access, 94 M. Yaragsky Street, 367003, Russian Federation