Effect of ZnCl2 impregnation concentration on the microstructure and electrical performance of ramie-based activated carbon hollow fiber

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	Effect of ZnCl2 impregnation concentration on the microstructure and electrical performance of ramie-based activated carbon hollow fiber
	Du, Xuan 1; Zhao, Wei 1; Ma, Shuhui 1; Ma, Mingguo 2; Qi, Tao 1; Wang, Yi 1; Hua, Chao 1
刊名	IONICS
	2016-04-01
卷号	22 期号:4 页码:545-553
关键词	Activated carbon hollow fiber Ramie fiber Pore structure Morphology Supercapacitor
ISSN号	0947-7047
英文摘要	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.
WOS标题词	Science & Technology ; Physical Sciences
类目[WOS]	Chemistry, Physical ; Electrochemistry ; Physics, Condensed Matter
研究领域[WOS]	Chemistry ; Electrochemistry ; Physics
关键词[WOS]	DOUBLE-LAYER CAPACITORS ; POROUS CARBON ; CHEMICAL ACTIVATION ; CELLULOSE NANOPARTICLES ; IONIC LIQUIDS ; SUPERCAPACITORS ; DISSOLUTION ; ADSORPTION ; ELECTRODES ; STORAGE
收录类别	SCI
语种	英语
WOS记录号	WOS:000373010900008
内容类型	期刊论文
源URL	[http://ir.ipe.ac.cn/handle/122111/20973]
专题	过程工程研究所_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
推荐引用方式 GB/T 7714	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.