新型炭材料2022，Vol.37Issue(4)：743-751,9.DOI:10.1016/S1872-5805(21)60058-6
基于富含木质素的生物质残渣制备超级电容器
The synthesis of porous carbons from a lignin-rich residue for high-performance supercapacitors
摘要
Abstract
Fabricating electrically conductive porous electrode for supercapacitors from abundant raw materials remains a signi-ficant challenge in the field of energy storage. 3D porous carbon with high surface areas was synthesized by high-temperature car-bonization and activation of lignin from cornstalks. When used as electrode materials in supercapacitors they showed a specific capa-citance of 280 F g?1 and an area-specific capacitance of 1.3 F cm?2 at a current density of 0.5 A g?1. An assembled symmetric superca-pacitor showed a high energy density of 7.7 Wh kg?1 at power density of 5200 W kg?1. It is demonstrated here that the use of lignin waste to fabricate electrode materials is feasible, affording lignin new value-added utilization.关键词
生物质/木质素/层级多孔炭/超级电容器Key words
Biomass/Lignin/Hierarchical porous carbon/Supercapacitors分类
化学化工引用本文复制引用
房严严,张千玉,张东东,崔立峰..基于富含木质素的生物质残渣制备超级电容器[J].新型炭材料,2022,37(4):743-751,9.基金项目
国家自然科学青年基金(5210020050)、广东省粤莞联合青年基金(2020A1515110219)东莞理工学院创新研究基金(KCYKYQD2017015&KCYCXPT2017005).This research was supported by National Nature Science Foundation of China(5210020050),Startup Research Fund of Dongguan University of Technology(KCYKYQD2017015&KCYCXPT2017005 and Guangdong Basic and Applied Basic Research Foundation(Grant Nos.2020A1515110219). （5210020050）
