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

被引：75

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

页码：478 / 488

页数：11

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