Improvement of electrochemical properties of activated carbon hollow fibers from liquefied wood by charcoal power
文献类型： 外文期刊
作者： Ma, Liyan 1 ; Li, Jianing 2 ; Ma, Xiaojun 1 ;
作者机构： 1.Tianjin Univ Sci & Technol, Coll Packaging & Printing Engn, Tianjin 300222, Peoples R China
2.Chinese Acad Trop Agr Sci, Rubber Res Inst, Minist Agr Key Lab Biol & Genet Resource Utilizat, State Key Lab Breeding Base Cultivat & Physiol Tr, Danzhou 571737, Peoples R China
关键词： Wood waste; Carbon materials; Porous materials; Supercapacitors
期刊名称：MATERIALS LETTERS （ 影响因子：3.423； 五年影响因子：3.003 ）
ISSN： 0167-577X
年卷期： 2019 年 255 卷
页码：
收录情况： SCI
摘要： A series of activated carbon hollow fibers doped with charcoal powder (WC-ACHFs) were prepared from wood waste by liquefaction, melt spinning and steam activation methods. When evaluated as electrodes, activated carbon hollow fibers doped with charcoal powder exhibited an outstanding gravimetric specific capacitance of 481 F g(-1) at 0.5 A g(-1) and cyclic stability with 98.8% capacitance retention over 2000 cycles. In addition, the multiple heteroatoms-doping of N and P from wood waste liquefaction have synergistic effect on electrochemical properties of WC-ACHFs, which is due to its combined merits of pseudocapacitance for sufficient charge storage and the good wettability for efficient ion diffusion. These results display that a facile method is promising for the preparation of wood-derived activated carbon hollow fibers from forestry and agricultural residues in the application of electrochemical energy storage. (C) 2019 Elsevier B.V. All rights reserved.
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