Search academic texts

Information × Registration Number 0217U007442, 0116U008147 , R & D reports Title Development the technology of fabrication of the high-energy lithium power sources with polymer electrolyte popup.stage_title Head Shembel Elena Moiseevna, Registration Date 09-01-2018 Organization State higher educational entity "Ukrainian State University of Chemical Technology" popup.description2 Object of development is adjustable (optimized) technology of manufacturing the components of lithium power source (LPS): anode, cathode, polymer electrolyte (РЕ). Samples of solid "solvent-free", and plasticized PE. A pilot samples of LPS of a plane structure with a coin design with a positive electrode based on lithiated oxide, negative electrode based on lithium, and with developed PE. Purpose is correction (optimization) of technologies for the production of components of LPS (anode, cathode, polymer electrolyte) according to the results of previous studies; manufacturing and testing of anodes, cathodes and prototypes of battery regarding the conformity of the LPS components to the basic quality parameters. Research of thermophysical properties of optimized compositions of solid "solvent-free" and plasticized polymer electrolytes. Methods of investigation are thermogravimetric analysis, differential scanning calorimetry, nuclear magnetic resonance, impedance spectroscopy, electrochemical studies in galvanostatic mode, cyclic voltammetry. Synthesized and tested PEs. The dependence of thermophysical characteristics, electrochemical and thermal stability, ionic conductivity of PE on different temperatures depending on their composition is established. The composition of PE was substantiated, which allowed to develop a prototype of LPS with high energy parameters. Cathodes based on modified spinel, lithium anodes and PE with optimized composition, as well as experimental samples of lithium power sources, which were tested in a wide range of current loads and a wide range of temperatures have been made, and an efficient work life (number of charge-discharge cycles) of the LPS , parameters of the energy and power have been defined. Area of use: C 27.20 Manufacture of batteries and accumulators.5481 Product Description popup.authors Андрєєв Дмитро Андрійович Апостолова Раїса Данилівна Артамонов Валерій Георгієвич Баскевич Oлександр Семенович Деримова Альона Вадимівна Завгородня Наталія Ігорівна Задерей Неля Дмитрівна Кірсанова Ірина Вікторівна Коломоєць Ольга Володимирівна Кольцов Микола Юрійович Левченко Євгеній Павлович Маркевич Олександр Васильович Олейніков Віктор Георгійович Пісний Василій Михайлович Поліщук Юлія Валеріївна Свердліковська Ольга Сергіївна Черваков Олег Вікторович Шембель Олена Мойсіївна popup.nrat_date 2020-04-02 Close