Optimized synthesis of carbon aerogels via ambient pressure drying process as electrode for supercapacitors

被引：0
|
作者：
Lei Yuan
Lijuan Chang
Zhibing Fu
Xi Yang
Xingli Jiao
Yongjian Tang
Xichuan Liu
Chaoyang Wang
机构：
[1] Research Centre of Laser Fusion,Science and Technology on Plasma Physics Laboratory
[2] China Academy of Engineering Physics,Institute of Atomic and Molecular Physics
[3] Sichuan University,College of Material Science and Engineering
[4] Xihua University,undefined
来源：
Journal of Wuhan University of Technology-Mater. Sci. Ed. | 2015年 / 30卷
关键词：
supercapacitors; carbon aerogels; ambient pressure drying process; activation;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Carbon aerogels were synthesized via ambient pressure drying process using resorcinolformaldehyde as precursor and P123 to strengthen their skeletons. CO2 activation technology was implemented to improve surface areas and adjust pore size distribution. The synthesis process was optimized, and the morphology, structure, adsorption properties and electrochemical behavior of different samples were characterized. The CO2-activated samples achieved a high specific capacitance of 129.2 F/g in 6 M KOH electrolytes at the current density of 1 mA/cm2 within the voltage range of 0-0.8 V. The optimized activation temperature and duration were determined to be 950 °C and 4 h, respectively.
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页码：1325 / 1331
页数：6
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