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- W4224257907 abstract "Recently, the environment-friendly insulating gas CF3I has attracted extensive attention due to its good insulating properties. However, there are few studies on the discharge decomposition characteristics of CF <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>3</inf> I. In this paper, density functional theory is used to study the possible decomposition reactions of CF <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>3</inf> I at the micro level. The energy changes before and after the decomposition path reaction of CF <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>3</inf> I were calculated. Meanwhile, the generation path of CF <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>3</inf> I discharge decomposition products and the influence of micro-water and micro-oxygen on the decomposition products are discussed. The insulation properties of CF <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>3</inf> I discharge decomposition products were analyzed by calculating the ionization parameters of the products. The results show that the energy required by CF <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>3</inf> I to decompose into CF <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>3</inf> • radical and I <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>-</sup> after the direct adsorption of electrons is 226.624 kJ/mol, which is the most likely decomposition path. Under the influence of water and oxygen, the decomposition products of CF <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>3</inf> I become complex, and C <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</inf> F <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>4</inf> , I <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</inf> , HF and COF <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</inf> are more likely to be generated. CF <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>3</inf> I discharge decomposition products have strong electrical resistance. Therefore, CF <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>3</inf> I can ensure certain insulation strength in gas insulation equipment such as GIS/GIL after discharge decomposition." @default.
- W4224257907 created "2022-04-26" @default.
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- W4224257907 date "2022-03-15" @default.
- W4224257907 modified "2023-10-16" @default.
- W4224257907 title "Study on Discharge Decomposition Characteristics of Environmental Protection Insulating Medium CF<sub>3</sub>I" @default.
- W4224257907 doi "https://doi.org/10.1109/icepe-st51904.2022.9757099" @default.
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