Fabricating sustainable lignin-derived porous carbon as electrode for high-performance supercapacitors

被引:0
|
作者
Wei Liu
Zhikun Li
Ranran Sang
Jinsong Li
Xueping Song
Qingxi Hou
机构
[1] Guangxi University,Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, College of Light Industry and Food Engineering
[2] Tianjin University of Science & Technology,Tianjin Key Laboratory of Pulp & Paper
[3] Mudanjiang Hengfeng Paper Co.,undefined
[4] Ltd.,undefined
关键词
lignin; porous carbon; electrode; supercapacitor;
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学科分类号
摘要
Lignocellulosic biomass such as plants and agricultural waste are ideal to tackle the current energy crisis and energy-related environmental issues. Carbon-rich lignin is abundant in lignocellulosic biomass, whose high-value transformation and utilization has been the most urgent problem to be solved. Herein, we propose a method for the preparation of porous carbon from lignin employing an H3PO4-assisted hydrothermal method. We characterize the as-prepared lignin-derived porous carbon and investigate its potential for energy storage. After assisted hydrothermal treatment followed by carbonization at 800 °C, the lignin-derived porous carbon displays a high specific capacitance (223.6 F·g−1 at 0.1 A·g−1) and excellent cycling ability with good capacitance retention. In this present study, the resultant lignin-derived porous carbon was used as the electrode of a supercapacitor, illustrating yet another potential high-value use for lignin, namely as a candidate for the sustainable fabrication of main supercapacitor components.
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页码:1065 / 1074
页数:9
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