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Analytical and Bioanalytical Electrochemistry، جلد ۱۵، شماره ۸، صفحات ۶۵۰-۶۶۷
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عنوان انگلیسی Investigating The Effect of Silane Compound Employment, as an Electrolyte Additive on The Electrochemical Performance and Improvement of Cathode Electrode Surface Properties with The Active Material LiNi0.5Co0.2Mn0.3O2 in Lithium Ion Battery
چکیده انگلیسی مقاله Lithium-ion batteries have emerged as the preferred choice for rechargeable power sources due to their ability to deliver high voltage, high energy density, and minimal self-discharge, making them ideal for electronic devices and energy storage applications. Among the most commonly employed industrial lithium-ion batteries is the 18650 commercial battery, measuring 18x65 mm, renowned for its rechargeable capabilities. Nonetheless, their widespread use faces significant safety challenges when subjected to extreme thermal or electrical stress. This study aims to enhance the safety and electrochemical performance of 18650-type battery cells at room temperature while mitigating the flammability risks associated with their carbonate-based electrolytes by incorporating an eco-friendly additive, vinyl triethoxysilane (VTES). Introducing 5 vol.% VTES into the electrolyte proved to be the optimal composition, resulting in improved cycling performance. This improvement can be attributed to the formation of stable and uniform surface films on both cathode and anode surfaces. These findings underscore the promise of VTES as an additive to enhance the safety and electrochemical performance of lithium-ion batteries, even at an industrial scale. To quantitatively and qualitatively assess the impact and performance of the VTES organic silicon compound, a comprehensive set of thermal and electrochemical analyses, including EDX, SEM, LSV, CV, EIS, TGA/DSC, and SET, were conducted.
کلیدواژه‌های انگلیسی مقاله Lithium-ion batteries,Rechargeable,Power source,vinyltriethoxysilane,Electrolyte Additive
نویسندگان مقاله Seyed Mohammad Reza Milani Hosseini |
Department of Analytical Chemistry, Faculty of Chemistry, Iran University of Science and Technology, Tehran, Iran

Hadi Moradi |
Department of Analytical Chemistry, Faculty of Chemistry, Iran University of Science and Technology, Tehran, Iran

نشانی اینترنتی https://www.abechem.com/article_707325_2734395148ee37265ff231e6240e185b.pdf
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