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Supercapacitors using fluorinated singlewalled carbon nanotube

机译:使用氟化单壁碳纳米管的超级电容器

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摘要

We have fabricated electrodes for supercapacitor using fluorinated singlewalled carbon nanotubes (SWCNTs). Although the specific surface areas of the pristine and fluorinated SWCNTs are similar, the electrochemical reactions are different significantly from each other. The specific capacitance of the fluorinated SWCNTs is smaller than that of the pristine sample particularly at large discharge current density, which can be attributed to the micropores formed during fluorination. After heat treatment at 900 ℃ for 30 min, the non-redox reaction is dominant, and furthermore the fluorinated sample gives larger specific capacitance than the pristine sample.
机译:我们已经使用氟化单壁碳纳米管(SWCNT)制造了用于超级电容器的电极。尽管原始碳纳米管和氟化碳纳米管的比表面积相似,但电化学反应彼此之间存在显着差异。氟化SWCNT的比电容小于原始样品的比电容,特别是在较大的放电电流密度下,这可以归因于氟化过程中形成的微孔。在900℃热处理30分钟后,非氧化还原反应占主导,此外,氟化样品比原始样品具有更大的比电容。

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