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Information × Registration Number 0220U104322, 0120U104157 , R & D reports Title Asymmetric aqueous electrolyte supercapacitors based on iron- nickel oxides / reduced graphene oxide nanocomposites and microporous carbon popup.stage_title Head Kotsubynsky Volodymyr O., Доктор фізико-математичних наук Registration Date 16-12-2020 Organization Vasyl Stefanyk Precarpathian National University, State Higher Educational Institution popup.description2 Object: structure formation of graphene oxide at the synthesis by Hammers, Tour and original protocols, as well as the graphene oxides reduced by chemical and thermal-microwave methods. Subject: the correlation finding between graphene oxides synthesis conditions of and structural, morphological and electrophysical properties of both graphene oxides synthesized by different protocols and reduced graphene oxide obtained by chemical and thermal-microwave methods. Research: XRD, Raman spectroscopy, low-temperature adsorption poromesimetry, optical UV-vis spectroscopy, SEM, impedance spectroscopy (10-2-105 Hz). The main result of the Project's first stage realization is the elaboration of graphene oxide colloidal solutions synthesis methods using Hammers, Tour and the original protocols and two different (chemical and thermal-microwave) methods to solid-phase reduced graphene oxide obtaining. The influences of synthesis conditions on the structural (distance between graphene layers, length and width of graphene packages), morphological (specific surface area, pore size distribution), electrophysical (specific conductivity, activation energies of percolation conductivity, frequency dependences of conductivity), and electrochemical (specific capacitance in aqueous electrolyte) properties were systematically studied. The results of the Project's first stage have a practical value both in terms of developing methods of new multifunctional materials with predetermined controlled properties foreseen obtaining and also as developed protocols of the one of the components of composite electrode materials obtaining for hybrid electrochemical systems which will be tested at the next stages of the Project. Product Description popup.authors Ivanichok Nataliia Ya. Boichuk Volodymyra M Budzulyak Ivan M Hodlevska Myroslava A Kachmar Andrii I. Kolkovskyi Pavlo I Rachii Bohdan I. popup.nrat_date 2020-12-16 Close