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  • Ескіз
    Документ
    Influence of Electrolyte Composition on the Electrochemical Synthesis of Peroxylactic Acid
    (Київський національний університет технологій та дизайну, 2020) Vodolazhenko, S. A.; Deribo, S. G.; Chahine, I. H.; Pavlov, B. V.
  • Ескіз
    Документ
    Electrode processes in electrochromic anodic oxide films on niobium
    (Khalsa Publications, 2018) Gomozov, V. P.; Tulskiy, Gennadiy; Skatkov, L. I.; Deribo, S. G.; Tulskaya, Alena
    We review the following issues: peculiarities of polycrystalline AOP development at niobium in nitrate salt melt at temperatures of Nb₂O₅ recrystallization, the mechanisms of change in structure and properties of niobium pentoxide in the result of electrode processes under cathodic polarization (at the model structure of polycrystalline film), as well as the methods of amorphous electrochromic AOP development and ways of electrochromic processes optimization at such films.
  • Ескіз
    Документ
    Formation of nanostructures on the basis of porous anodic niobium oxide
    (Scientific and Technological Corporation "Institute for Single Crystals", 2019) Ryshchenko, I. M.; Lyashok, I. V.; Gomozov, V. P.; Vodolazhchenko, S. A.; Deribo, S. G.
    Self-organization of nanoscale structures under an electrochemical treatment is most pronounced during the formation of porous anodic metal (aluminum, titanium, niobium, and tantalum) oxides. A theoretical approach is proposed to describe the processes of the self-organization that allows one to determine the conditions for the formation of porous niobium oxides with amorphous or crystalline structure. The studies have shown the influence of the electrolyte nature on the formation of oxide layers. The use of an activator (fluoride) provides the conditions for the formation of oxides with different surface morphology at the initial stage of anodizing. By varying the mode of niobium anodizing, one can investigate the nature of pore nucleation at the initial stage of their growth, as well as track the in-time evolution of their geometrical dimensions, depending on the formation conditions, and synthesize porous AOFs on niobium with an amorphous or crystalline structure.
  • Ескіз
    Документ
    Electrochemical synthesis of hydrogen with depolarization of the anodic process
    (2016) Tulskiy, Gennadiy; Tulskaya, A. G.; Skatkov, L. I.; Gomozov, V. P.; Deribo, S. G.
    A new active composite coating for graphite gas diffusion electrode for hybrid sulfur cycle was proposed. The kinetics of oxidation of SO₂ were studied on porous graphite anodes with different catalytic coatings. It was shown that the most efficient composite coating is based on activated carbon and platinum supported on graphite gas diffusion substrate. The voltage drop in the laboratory electrochemical cell was 1.3 V at a current density of 1000 A·m⁻². This corresponds to a specific consumption of 3.1 kWh electric energy per 1 m³ of hydrogen.
  • Ескіз
    Документ
    Role of metal impurities in generation of defects in anodic layers of Nb₂O₅
    (Institute of electrochemistry and energy systems "Academician Evgeni Budevski", 2015) Skatkov, L. I.; Gomozov, V. P.; Deribo, S. G.
  • Ескіз
    Документ
    Potential modification of electrochemical properties in anode niobium pentoxide
    (NTU "KhPI", 2008) Gomozov, V. P.; Deribo, S. G.; Skatkov, L. I.; Skrebtsova, S. S.
    In the present work the technique for generation of electrochrome effect (ECE) in Nb₂O₅ amorphous anodic oxide films (AOF) is proposed. We have also found that when AOF is polarized by the packages of microsecond pulses, initial potential of gas emission can be increased three- to fivefold, which promotes significant increase in current density on film electrode, and, thus, raises the ECE.