Effect of ZnCl2 impregnation concentration on the microstructure and electrical performance of ramie-based activated carbon hollow fiber
Du, Xuan1; Zhao, Wei1; Ma, Shuhui1; Ma, Mingguo2; Qi, Tao1; Wang, Yi1; Hua, Chao1
2016-04-01
发表期刊IONICS
ISSN0947-7047
卷号22期号:4页码:545-553
摘要Activated carbon hollow fibers (ACHFs) with high surface area were prepared from natural ramie fibers (RFs) by one-step activation under different ZnCl2 impregnation concentrations. The results showed that the morphology and pore structure development of ACHFs depend greatly on ZnCl2 concentration because ZnCl2 not only can swell and dissolve cellulose but also can serve as skeleton of newborn pores. It obtained granular activated carbons (ACs) instead of ACHFs when ZnCl2 concentration was over a suitable range. As supercapacitor electrode, the ACHFs possessed the maximum capacity of 287 F g(-1) and showed excellent stability with more than 93 % efficiency after 1000 cycles. Besides, ACHFs showed higher electrochemical performance than granular ACs even if their microstructure was similar, indicating the morphology of material is also important to the electrochemical properties. Therefore, supercapacitors using ramie-based ACHFs as electrodes possess high comprehensive properties to serve for the need of backup energy storage and high pulse power applications.
关键词Activated Carbon Hollow Fiber Ramie Fiber Pore Structure Morphology Supercapacitor
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1007/s11581-015-1571-3
收录类别SCI
语种英语
关键词[WOS]DOUBLE-LAYER CAPACITORS ; POROUS CARBON ; CHEMICAL ACTIVATION ; CELLULOSE NANOPARTICLES ; IONIC LIQUIDS ; SUPERCAPACITORS ; DISSOLUTION ; ADSORPTION ; ELECTRODES ; STORAGE
WOS研究方向Chemistry ; Electrochemistry ; Physics
WOS类目Chemistry, Physical ; Electrochemistry ; Physics, Condensed Matter
项目资助者National Natural Science Foundation of China(51302264) ; National Science Foundation for Distinguished Young Scholars of China(51125018)
WOS记录号WOS:000373010900008
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/20973
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
2.Beijing Forestry Univ, Coll Mat Sci & Technol, Beijing Key Lab Lignocellulos Chem, Beijing 100083, Peoples R China
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Du, Xuan,Zhao, Wei,Ma, Shuhui,et al. Effect of ZnCl2 impregnation concentration on the microstructure and electrical performance of ramie-based activated carbon hollow fiber[J]. IONICS,2016,22(4):545-553.
APA Du, Xuan.,Zhao, Wei.,Ma, Shuhui.,Ma, Mingguo.,Qi, Tao.,...&Hua, Chao.(2016).Effect of ZnCl2 impregnation concentration on the microstructure and electrical performance of ramie-based activated carbon hollow fiber.IONICS,22(4),545-553.
MLA Du, Xuan,et al."Effect of ZnCl2 impregnation concentration on the microstructure and electrical performance of ramie-based activated carbon hollow fiber".IONICS 22.4(2016):545-553.
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