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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
Source PublicationIONICS
ISSN0947-7047
Volume22Issue:4Pages:545-553
AbstractActivated 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.
KeywordActivated Carbon Hollow Fiber Ramie Fiber Pore Structure Morphology Supercapacitor
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1007/s11581-015-1571-3
Indexed BySCI
Language英语
WOS KeywordDOUBLE-LAYER CAPACITORS ; POROUS CARBON ; CHEMICAL ACTIVATION ; CELLULOSE NANOPARTICLES ; IONIC LIQUIDS ; SUPERCAPACITORS ; DISSOLUTION ; ADSORPTION ; ELECTRODES ; STORAGE
WOS Research AreaChemistry ; Electrochemistry ; Physics
WOS SubjectChemistry, Physical ; Electrochemistry ; Physics, Condensed Matter
Funding OrganizationNational Natural Science Foundation of China(51302264) ; National Science Foundation for Distinguished Young Scholars of China(51125018)
WOS IDWOS:000373010900008
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/20973
Collection湿法冶金清洁生产技术国家工程实验室
Affiliation1.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
Recommended Citation
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.
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