煤沥青烯/PAN基氮掺杂有序介孔炭的制备及电容性能研究

Preparation and capacitive properties of coal asphaltene/PAN based nitrogen doped ordered mesoporous carbon

李潇 ¹覃彪 ²张勇 ¹兰雨金 ²周彬 ²赵世永 ³蔡江涛³

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作者信息

1. 陕西化工研究院有限公司,陕西西安 710054
2. 西安科技大学化学与化工学院,陕西西安 710054
3. 西安科技大学化学与化工学院,陕西西安 710054;自然资源部煤炭资源勘查与综合利用重点实验室,陕西西安 710021
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摘要

以SBA-15 为硬模板剂,采用溶剂挥发诱导煤基沥青烯与聚丙烯腈(PAN)自组装,制备了氮掺杂有序介孔炭(NOMC).通过CO2 活化,进一步提升NOMC的比表面积及电容性能.结果表明,SBA-15、沥青烯、PAN的比例为1∶1.2∶4.8 时,800℃炭化所得炭材料成炭率与有序性均较高.900℃活化后其比表面积、孔容及孔径依次为602.1 m2/g,0.426 cm3/g,3.808 nm,且比电容达到127.2 F/g,相比未活化,提升了41.8%.

Abstract

Nitrogen doped ordered mesoporous carbon(NOMC)was prepared using SBA-15 as a hard template agent and solvent evaporation induced self-assembly of coal based asphaltene with polyacryloni-trile(PAN).Further enhance the specific surface area and capacitance performance of NOMC through CO2 activation.The results showed that when the ratio of SBA-15,asphaltene and PAN was 1∶1.2∶4.8,the carbonization rate and orderliness of the carbon material obtained at 800℃were higher.After activa-tion at 900℃,the specific surface area,pore volume,and pore size were 602.1 m2/g,0.426 cm3/g,3.808 nm,respectively,and the specific capacitance reached 127.2 F/g,which was 41.8%higher than that of unactivation.

关键词

SBA-15/煤基沥青烯/聚丙烯腈/氮掺杂/有序介孔炭

Key words

SBA-15/coal based asphaltene/polyacrylonitrile/nitrogen doping/ordered mesoporous carbon

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基金项目

陕西省重点研发计划(2022GY-168)

榆林市科技计划(CXY-2022-155)

出版年

2024

应用化工

陕西省石油化工研究设计院　陕西省化工学会

应用化工

CSTPCD北大核心

影响因子：0.411

ISSN：1671-3206

参考文献量6

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