Academic literature on the topic 'Анодна деполяризація'
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Dissertations / Theses on the topic "Анодна деполяризація"
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/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.
Тульская, Алена Геннадьевна, and Борис Иванович Байрачный. "Влияние природы материала анода на протекание электрохимического окисления SO₂." Thesis, НТУ "ХПИ", 2014. http://repository.kpi.kharkov.ua/handle/KhPI-Press/20841.
Full textТульська, Альона Геннадіївна, and Борис Іванович Байрачний. "Каталітична активність платини при деполяризації SO₂ анодного процесу при електролізі сульфатної кислоти." Thesis, НТУ "ХПІ", 2013. http://repository.kpi.kharkov.ua/handle/KhPI-Press/20815.
Full textТульська, 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.
Тульская, Алена Геннадьевна. "Деполяризация анодного процесса SO₂ в электрохимическом синтезе водорода." Thesis, НТУ "ХПИ", 2015. http://repository.kpi.kharkov.ua/handle/KhPI-Press/17109.
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.