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Registration Number

0223U003862, 0121U110843 , R & D reports

Title

Investigation of kinetic laws of electrochemical processes

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Head

Tulskyi Hennadii H.,

Registration Date

13-07-2023

Organization

National Technical University "Kharkiv Polytechnic Institute"

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 The object of research is electrochemical processes during the formation and operation of metal and oxide materials. The purpose of the work is to establish the kinetic patterns of electrochemical processes during the formation of functional coatings and the production of inorganic and organic substances. Research methods are voltammetry, chronoamperometry, chronopotentiometry, gravimetry, titration, X-ray fluorescence analysis, X-ray phase analysis, scanning electron microscopy. The kinetics of combined cathodic processes in aqueous solutions of iron (II) sulfate and combined anodic processes in sulfuric acid solutions were studied, depending on the material of the electrodes. The composition of the solution for the electrochemical dissolution of gold was selected, the mechanism of anodic dissolution of gold was proposed, the effect of current density on the rate of the dissolution process was established, effective reagents-reducing agents of gold ions were determined for the synthesis of biologically active drugs based on gold. The composition of polyligand pyrophosphate-citrate and pyrophosphate-trilonate electrolytes for Cu-Zn alloy deposition is substantiated based on the analyzed cathodic and anodic processes in these electrolytes and the determined current efficiency. The main parameters of the technology of applying conversion protective and decorative coatings on the surface of small parts made of carbon steel have been developed. A Co3O4/TiO2 coating, electrocatalytic in the reaction of chlorine evolution, was proposed, and it was determined that the electrocatalytic activity of the proposed metal oxide anode is compared with the activity of ORTA. The morphology and elemental composition of chromium coatings obtained from SiO2⸳nH2O modified electrolytes were investigated

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Artemenko Valentyna M.
Balamut Nataliia S.
Brovin Olexandr Yu.
Vovk Alina O.
Zamai Anzhelika O.
Kolzhykova Anastasiia V.
Kravchenko-Davlatova Krystyna M.
Leshсhenko Sergiі A.
Maizelis Antonina O.
Smirnova Olga L.
Homenko Anastasiіa V.
Shtefan Viktoriіa V.