燃料化学学报2021，Vol.49Issue(11)：1599-1608,10.DOI:10.1016/S1872-5813(21)60162-7
煤焦油基碳膜的制备及其焦耳电热性能研究
Growth of high performance coal tar-based carbon film and its application in Joule heating
摘要
Abstract
Conductive carbon film has a wide range of application prospects, especially in the fields of electric heating devices, energy storage devices, and solar cells. Coal tar is an ideal precursor for preparing carbon film. In order to improve the performance of coal tar-based carbon film, it is necessary to study the influence of tar composition on the structure and performance of carbon film. In this paper, a carbon film is prepared using aromatic compounds, heteroatom compounds and tar as carbon sources. It is found that the carrier concentration of aromatic hydrocarbon-based carbon films is higher than 1022 cm?3, but the mobility of the carrier is lower than 1 cm2/Vs. The resistivity and sheet resistance of the aromatic hydrocarbon-based carbon film are lower than that of the coal tar-based carbon film. Naphthalene-based carbon film has the best electrical and thermal properties. The maximum heating temperature of naphthalene-based carbon film at 30 V exceeds 300 °C. The thickness of the carbon film has a decisive influence on the sheet resistance of the carbon film. The performance of the heteroatom compound-based carbon film is significantly lower than that of aromatic compound-based film.关键词
煤焦油/碳薄膜/焦耳电热性能Key words
coal tar/carbon film/Joule heating分类
化学化工引用本文复制引用
杜志明,雷智平,于文浩,颜井冲,李占库,水恒福,任世彪,王知彩,康士刚..煤焦油基碳膜的制备及其焦耳电热性能研究[J].燃料化学学报,2021,49(11):1599-1608,10.基金项目
The project was supported by the Natural Scientific Foundation of China(21878001,22078002,21776001,21875001,21978002,21808002,22008001,and U1710114). （21878001,22078002,21776001,21875001,21978002,21808002,22008001,and U1710114）
