Dissertations / Theses on the topic 'Синтез електрохімічний'
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Білоус, Тетяна Андріївна, and Геннадій Георгійович Тульський. "Електрохімічний синтез пероксіоцтової кислоти." Thesis, НТУ "ХПІ", 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/31696.
Full textКарташова, Ю. О., Олександр Петрович Поспєлов, Борис Іванович Байрачний, and Г. В. Камарчук. "Електрохімічний синтез срібних наноструктур." Thesis, НТУ "ХПІ", 2007. http://repository.kpi.kharkov.ua/handle/KhPI-Press/20618.
Full textТегіна, А. Г., Борис Іванович Байрачний, Лариса Василівна Ляшок, Ірина Анатоліївна Токарєва, and Олена Володимирівна Сьомкіна. "Електрохімічний синтез металоксидних темплатів на основі титану." Thesis, НТУ "ХПІ", 2012. http://repository.kpi.kharkov.ua/handle/KhPI-Press/18465.
Full textОвчаренко, О. О., М. Д. Сахненко, and М. В. Ведь. "Електрохімічний синтез дисперсно-зміцнених композитів Ni-Al[2]O[3]." Thesis, Сумський державний університет, 2016. http://essuir.sumdu.edu.ua/handle/123456789/45670.
Full textФедоренко, Андрій Олександрович. "Електрохімічний синтез титану(III) сульфату у технології виробництва титану(IV) оксиду." Thesis, НТУ "ХПІ", 2015. http://repository.kpi.kharkov.ua/handle/KhPI-Press/17220.
Full textThesis for granting the Degree of Candidate of Technical sciences in specialty 05.17.03 – Technical Electrochemistry. – National Technical University "Kharkiv Polytechnic Institute", Kharkiv, 2015. The thesis work is devoted to the improvement of the sulfate production technology of the pigment TiO₂ via renewal of ions in the aqua of Fe³⁺ and TiO²⁺ not Fe, Al, but electrochemically, what excludes the chromophor accumulation in fluid converter mouth, thereby guarantees the end products high quality. However currently the overpressure of hydrogen separation and delay discharge theories are not general, that is why the search of cathode materials with the smallest hydrogen overpressure was performed. The solution was achieved via analysis of the double electric layer (DEL), where renewal of Fe³⁺ and TiO²⁺ occurs involving H⁺, Н⁰, Н¯, Н, H₂⁺ joins through relay mechanism. It is determined that ndm materials and their alloys, which have law electrical resistivity and are apt to hydrogen accumulation, they are stainless steel and niobium, are the best materials. Lorentz force is used during development of electrolyzer for convection diffusion increasing in the Ti₂(SO₄)₃ reductor synthesis. New optical Ti³⁺ control methods and creation of electrolysis computer control complex or ACS are offered during applying of synthesis on an automatic basis.
Рутковська, Катерина Сергіївна, and Геннадій Георгійович Тульський. "Обґрунтування вибору газодифузійного катоду в електрохімічному синтезі гіпохлориту натрію." Thesis, Національний технічний університет "Харківський політехнічний інститут", 2018. http://repository.kpi.kharkov.ua/handle/KhPI-Press/39979.
Full textБілоус, Тетяна Андріївна, and Геннадій Георгійович Тульський. "Дослідження впливу добавок галоген-іонів на кінетику анодних процесів при електрохімічному синтезі пероксиоцтової кислоти." Thesis, НТУ "ХПІ", 2018. http://repository.kpi.kharkov.ua/handle/KhPI-Press/37590.
Full textВодолажченко, С. А., Світлана Германівна Дерібо, Б. В. Павлов, and Р. Ю. Красношапко. "Анодні процеси на платині у розчинах органічних кислот." Thesis, Харківський національний університет міського господарства ім. О. М. Бекетова, 2019. http://repository.kpi.kharkov.ua/handle/KhPI-Press/45478.
Full textМатрунчик, Ольга Леонідівна, Геннадій Георгійович Тульський, Тетяна Андріївна Білоус, and Т. О. Подушка. "Дослідження кінетики анодного процесу в електрохімічному синтезі метансульфонової кислоти." Thesis, НТУ "ХПІ", 2018. http://repository.kpi.kharkov.ua/handle/KhPI-Press/37591.
Full textБілоус, Тетяна Андріївна, Геннадій Георгійович Тульський, and О. Дубров. "Вибір концентрації електропровідної добавки для електрохімічного синтезу пероксиоцтової кислоти на PT/PTO та PBO₂ анодах." Thesis, Харківський національний університет ім. В. Н. Каразіна, 2018. http://repository.kpi.kharkov.ua/handle/KhPI-Press/37584.
Full textБілоус, Тетяна Андріївна, and Геннадій Георгійович Тульський. "Вибір промоторів для електрохімічного синтезу пероксиоцтової кислоти." Thesis, Львівський національний університет ім. Івана Франка, 2018. http://repository.kpi.kharkov.ua/handle/KhPI-Press/37586.
Full textВороніна, Олена Володимирівна. "Електродні процеси на сплавах та сполуках ванадію в водневій енергетиці." Thesis, НТУ "ХПІ", 2018. http://repository.kpi.kharkov.ua/handle/KhPI-Press/38323.
Full textThesis for granting the Degree of Candidate of Technical sciences in speciality 05.17.03 – Technical Electrochemistry. – National Technical University "Kharkiv Polytechnical Institute", Kharkiv, 2018. The thesis deals with the development of the technological process of hydrogen production using new electrode materials based on vanadium alloys and aluminum alloys. The vanadium based electrode material exclude the formation of ferrites in alkaline electrolysis. Aluminum alloys exclude the oxygen evolution on the anodes due to the corrosion process with hydrogen depolarization. Therefore it is possible to produce hydrogen on both electrodes in electrolyzers without membrane in alkaline water electrolysis. The kinetic dependences and mechanisms of hydrogen evolution on aluminum alloys have been determined, which leads to the reduce of overvoltage of hydrogen evolution reaction on cathodes and produce hydrogen on anodes by aluminum dissolving. Experimental-industrial tests of oxygen-free hydrogen production in developed electrolyzers at cell voltages of 0.3-1 V are presented. This allows to reduce the material and energy costs of electrolysis.
Вороніна, Олена Володимирівна. "Електродні процеси на сплавах та сполуках ванадію в водневій енергетиці." Thesis, НТУ "ХПІ", 2018. http://repository.kpi.kharkov.ua/handle/KhPI-Press/38316.
Full textThesis for granting the Degree of Candidate of Technical sciences in speciality 05.17.03 – Technical Electrochemistry. – National Technical University "Kharkiv Polytechnical Institute", Kharkiv, 2018. The thesis deals with the development of the technological process of hydrogen production using new electrode materials based on vanadium alloys and aluminum alloys. The vanadium based electrode material exclude the formation of ferrites in alkaline electrolysis. Aluminum alloys exclude the oxygen evolution on the anodes due to the corrosion process with hydrogen depolarization. Therefore it is possible to produce hydrogen on both electrodes in electrolyzers without membrane in alkaline water electrolysis. The kinetic dependences and mechanisms of hydrogen evolution on aluminum alloys have been determined, which leads to the reduce of overvoltage of hydrogen evolution reaction on cathodes and produce hydrogen on anodes by aluminum dissolving. Experimental-industrial tests of oxygen-free hydrogen production in developed electrolyzers at cell voltages of 0.3-1 V are presented. This allows to reduce the material and energy costs of electrolysis.
Овчаренко, Ольга Олександрівна. "Композиційні електрохімічні покриття на основі міді та нікелю, модифіковані ультрадисперсними частинками." Thesis, НТУ "ХПІ", 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/22725.
Full textThesis for granting the Degree of Candidate of Technical sciences in specialty 05.17.03 – Technical Electrochemistry. – National Technical University "Kharkiv Polytechnic Institute". Kharkiv, 2016. Dissertation is devoted to development of the technology of composite electrochemical coatings based on copper and nickel, reinforced nanoscale aluminium. The method of chemical dispersion to produce a hydrosol of corundum Al2O3 is proposed. Electrochemical processes regularities of the copper and nickel composite coatings deposition have established. The influence of a dispersed phase concentration in electrolytes-suspensions on the physico-mechanical properties of materials, such as microhardness, tensile strength and yield strength, has detected. It has shown the resulting composites have higher strength at sufficiently low concentrations in the Al₂O₃-electrolyte (1-2 g/dm³) compared with samples obtained by the introduction of the coarse-dispersion aluminium electrolyte. The influence of the corundum content on the composition and morphology of coatings has been found experimentally. The electron microscopy results detects to a continuation of a crystal lattice. The results of atomic force microscopy have allowed to determine the crystallite size and evaluate the topography of the surface. The flowchart of the electrochemical formation of Cu-Al₂O₃ and Ni-Al₂O₃ composites are proposed.
Овчаренко, Ольга Олександрівна. "Композиційні електрохімічні покриття на основі міді та нікелю, модифіковані ультрадисперсними частинками." Thesis, НТУ "ХПІ", 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/22724.
Full textThesis for granting the Degree of Candidate of Technical sciences in specialty 05.17.03 – Technical Electrochemistry. – National Technical University "Kharkiv Polytechnic Institute". Kharkiv, 2016. Dissertation is devoted to development of the technology of composite electrochemical coatings based on copper and nickel, reinforced nanoscale aluminium. The method of chemical dispersion to produce a hydrosol of corundum Al2O3 is proposed. Electrochemical processes regularities of the copper and nickel composite coatings deposition have established. The influence of a dispersed phase concentration in electrolytes-suspensions on the physico-mechanical properties of materials, such as microhardness, tensile strength and yield strength, has detected. It has shown the resulting composites have higher strength at sufficiently low concentrations in the Al₂O₃-electrolyte (1-2 g/dm³) compared with samples obtained by the introduction of the coarse-dispersion aluminium electrolyte. The influence of the corundum content on the composition and morphology of coatings has been found experimentally. The electron microscopy results detects to a continuation of a crystal lattice. The results of atomic force microscopy have allowed to determine the crystallite size and evaluate the topography of the surface. The flowchart of the electrochemical formation of Cu-Al₂O₃ and Ni-Al₂O₃ composites are proposed.
Тульська, Альона Геннадіївна. "Деполяризація анодного процеса SO₂ в електрохімічному синтезі водню." Thesis, НТУ "ХПІ", 2015. http://repository.kpi.kharkov.ua/handle/KhPI-Press/17098.
Full textThesis for the Degree of Candidate of Technical sciences in specialty 05.17.03 – Technical Electrochemistry. – National Technical University "Kharkiv Polytechnical Institute", Kharkоv 2015. The thesis deals with the anodic depolarization of SO₂ in hydrogen by electrolysis of solutions of sulphate acid. Based on thermodynamic analysis set conditions for the implementation of anodic depolarization process with SO₂. Proved part oxygenated radical nature of the particles in the oxidation of SO₂ on the surface of the platinum anode. The effect of the anode material, electrolyte concentration and temperature on the kinetic parameters of oxidation of SO₂. The composition of the active coating of the gas diffusion anode, exhibits high kinetic parameters in a wide range of current densities, and a method of its application were proposed. The durability of anode materials have been tested. The results of kinetic studies confirmed the laboratory cell. The possibility of using sulphur-acid method of producing hydrogen for utilization of SO₂. It was determined that the specific energy consumption was 2.6 ... 3.1 kW ∙ h ∙ nm³ H₂ at a current density of 500 ... 1000 A∙m¯². Conducted pilot tests, which proved the feasibility of the depolarization of the anodic process of SO₂ in sulphur-acid method of producing hydrogen.
Каракуркчі, Ганна Володимирівна. "Електрохімічне формування функціональних покриттів сплавами заліза з молібденом і вольфрамом." Thesis, НТУ "ХПІ", 2015. http://repository.kpi.kharkov.ua/handle/KhPI-Press/21865.
Full textThesis for granting the Degree of Candidate of Technical sciences in speciality 05.17.03 – Technical Electrochemistry. – National Technical University “Kharkiv Politechnical Institute”, 2015. The thesis is devoted to the development of technology for iron alloys electrochemical functional coatings with molybdenum and tungsten electrodeposition from citrate electrolyte to produce materials with high corrosion resistance, physical, mechanical and tribological properties. On the basis of kinetic regularities the mechanism of Fe-Mo, Fe-Mo-W alloys’ formation was established as co-precipitation of iron with molybdenum and tungsten in the range pH 3,0–4,0 happening on two routes, one-alloying metals reduction from heteronuclear complexes [FeHCitMO₄]⁻ is accompanied by chemical reaction of ligand releasing, and the second-reduction of iron (III) from the adsorbed complexes [FeHCit]⁺ and in part – from FeOH²⁺ accompanied by the chemical stage of ligand release. Experimental study of the electrolytic alloys functional properties have shown the high corrosion resistance of FeMo and Fe-Mo-W coatings in acidic and neutral media stimulated by acidic nature of refractory oxide components which exceeds the resistance of steel and cast iron. Proposed electrolytic alloys dominated by microhardness steel substrates in 2–3 times, and cast iron – in 4–5 times, the increasing tungsten content provides increasing in physical, mechanical and tribological properties of electrolytic alloys due to the formation of amorphous structure. A technological scheme for electrochemical synthesis of iron alloys functional coatings with molybdenum and tungsten was designed and technological instructions were prepared for implementation.
Смирнова, Олександра Юріївна. "Удосконалення технології формування оксидних шарів на сплаві титану ОТ4–0." Thesis, НТУ "ХПІ", 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/21923.
Full textThesis for granting the Degree of Candidate of Technical sciences in speciality 05.17.03 – Technical Electrochemistry. – National Technical University "Kharkiv Politechnical Institute", 2016. The thesis is dedicated to improvement of titanium alloy ОТ4–0 oxidizing technology for the creation of materials with anticorrosive and catalytic properties. The electrolytes composition and oxidation mode influence on the oxide coating composition, morphology and properties was established. The technology of titanium alloy ОТ4–0 microarc oxidation, the oxide composition Ti/TiOx∙CeOy, Ti/TiOx∙CeOy∙ZrOz, Ti/TiOx∙CeOy∙ZrOz∙CuOn synthesis was developed. The cerium-containing oxide layers show high catalytic activity in oxidation benzene and monoxide carbon; insertion cuprum and zirconium ions in cerium-containing oxide layers decrease monoxide carbon conversion temperature experimentally established. The electrolytes composition for zirconium- and molybdenum-containing thermostable oxide coatings synthesis is proposed. The synthesized materials corrosion resistance and catalytic activity in the model reaction of carbon monoxide conversion were determined.
Смирнова, Олександра Юріївна. "Удосконалення технології формування оксидних шарів на сплаві титану ОТ4–0." Thesis, НТУ "ХПІ", 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/21915.
Full textThesis for granting the Degree of Candidate of Technical sciences in speciality 05.17.03 – Technical Electrochemistry. – National Technical University "Kharkiv Politechnical Institute", 2016. The thesis is dedicated to improvement of titanium alloy ОТ4–0 oxidizing technology for the creation of materials with anticorrosive and catalytic properties. The electrolytes composition and oxidation mode influence on the oxide coating composition, morphology and properties was established. The technology of titanium alloy ОТ4–0 microarc oxidation, the oxide composition Ti/TiOx∙CeOy, Ti/TiOx∙CeOy∙ZrOz, Ti/TiOx∙CeOy∙ZrOz∙CuOn synthesis was developed. The cerium-containing oxide layers show high catalytic activity in oxidation benzene and monoxide carbon; insertion cuprum and zirconium ions in cerium-containing oxide layers decrease monoxide carbon conversion temperature experimentally established. The electrolytes composition for zirconium- and molybdenum-containing thermostable oxide coatings synthesis is proposed. The synthesized materials corrosion resistance and catalytic activity in the model reaction of carbon monoxide conversion were determined.
Діаб, Х., and Геннадій Георгійович Тульський. "Вибір матеріалу аноду для електрохімічної стабілізації води." Thesis, Національний технічний університет "Харківський політехнічний інститут", 2018. http://repository.kpi.kharkov.ua/handle/KhPI-Press/39981.
Full textБорзенко, О. В., and Лариса Василівна Ляшок. "Синтез нанокомпозитів на основі поруватого оксиду алюмінію." Thesis, НТУ "ХПІ", 2012. http://repository.kpi.kharkov.ua/handle/KhPI-Press/18888.
Full textЖелавська, Юлія Анатоліївна, Борис Іванович Байрачний, Антоніна Олександрівна Майзеліс, С. Г. Желавський, and Олена Володимирівна Вороніна. "Електричні параметри оксидних систем титану та міді." Thesis, НТУ "ХПІ", 2014. http://repository.kpi.kharkov.ua/handle/KhPI-Press/20843.
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