Sustainable activated carbon fiber from sawdust by reactivation for high-performance supercapacitors

被引：73
作者：
Huang, Yuxiang [1 ,2 ]
Liu, Yue [2 ]
Zhao, Guangjie [1 ]
Chen, Jonathan Y. [2 ]
机构：
[1] Beijing Forestry Univ, Coll Mat Sci & Technol, Tsinghua East Rd 35, Beijing 100083, Peoples R China
[2] Univ Texas Austin, Sch Human Ecol, Austin, TX 78712 USA
来源：
JOURNAL OF MATERIALS SCIENCE | 2017年 / 52卷 / 01期
关键词：
WOOD SAWDUST;
D O I：
10.1007/s10853-016-0347-0
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Activated carbon fibers (ACFs) produced from recycled fir sawdust were used as electrodes in supercapacitors. It was shown that the ultramicropores (0.65-0.85 nm) were most efficient in contributing to the supercapacitor capacitance, while mesopores helped increase the rate performance capacitance. The experimental ACF electrode supercapacitor indicated a capacitance of 242 F g(-1) in 6 M KOH aqueous electrolyte exhibiting a high energy density of 8.4 Wh kg(-1) at a power density of 250 W kg(-1). Excellent cycle stability was also achieved, showing a good competitiveness of wood-based ACFs in comparison with other activated carbons currently used in supercapacitors.
引用
收藏
页码：478 / 488
页数：11
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