DEVELOPMENT OF A NEW ENERGY-INTENSIVE VANADIUM ELECTROLYTE COMPOSITION AND INVESTIGATION OF REVERSIBLE CHARGE TRANSFER MECHANISMS FOR USE OF HIGH-EFFICIENCY ENERGY STORAGE DEVICES
Aimbetova I.O. Baigenzhenov O.S. Kuzmin A.V. Aimbetova É.O. Abzhalov B.S. Dagubayeva A.T.
2023National Academy of Sciences of the Republic of Kazakhstan
News of the National Academy of Sciences of the Republic of Kazakhstan, Series of Geology and Technical Sciences
2023#5Issue 46122 - 34 pp.
The article provides a scientific analysis of the methods of creating electrolytes in international patent offices, scientometric databases in order to determine the optimal composition of the vanadium electrolyte composition with the ability to control the main parameters of electrolytic effects and the redox potential of vanadium compounds, to compile the basic material for creating the composition of electrolytes in energy-intensive storage, since energy–intensive storage with low cost is an actual material at the moment, in energy-saving technologies and energy issues of the industry. The methodological and theoretical basis of the research is the work of domestic and foreign scientists devoted to the development of composite materials based on vanadium oxide materials and is based on elements of system analysis and modern generally accepted scientific methods, the choice of types and methods of evaluation.The forms of vanadium polynuclearity and kinetic characteristics of mutual transformations of vanadium ionic forms based on the charge transfer to the surface of a suspended polymer particle of vanadium-oxygen framework are studied. The processes of formation of the polynuclear forms of vanadium and the vanadium-oxygen framework are investigated, as well as the regularities and the relationship between the structure of the polynuclear ionic forms in solution are studied and the redox potential between vanadium ions with four possible degrees of oxidation, characterized by a variety of vanadium structures, is determined. Isomorphic substances consisting of trivalent vanadium, which are crosslinked into a vanadium oxygen framework, and are characterized by high resistance and strength of structures, have been identified. The results of the scientific analysis of the production of energy-intensive electrolytes based on vanadium oxide contribute to the disclosure of the practical potential of the use of vanadium electrolytes used in the production of batteries.
electrolyte , energy intensity , energy storage , redox potential , vanadium oxide , vanadium-oxygen frame
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Khoja Akhmet Yassawi International Kazakh-Turkish University, Turkistan, Kazakhstan
Satbayev University, Almaty, Kazakhstan
Institute of Engineering Thermophysics of NAS of Ukraine, Кyiv, Ukraine
Science Service LLP, Turkistan, Kazakhstan
RSE NC CPMRM RK, Almaty, Kazakhstan
Khoja Akhmet Yassawi International Kazakh-Turkish University
Satbayev University
Institute of Engineering Thermophysics of NAS of Ukraine
Science Service LLP
RSE NC CPMRM RK
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