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Ionic liquid assisted fabrication of cellulose-based conductive films for Li-ion battery
Zhou, Le1,2,3; Pan, Fengjiao1,2,3; Zeng, Shaojuan1,2; Li, Qiongguang1,2; Bai, Lu1; Liu, Yanrong4; Nie, Yi1,2,3
2020-05-28
Source PublicationJOURNAL OF APPLIED POLYMER SCIENCE
ISSN0021-8995
Pages12
AbstractAn imidazolium-based ionic liquid, 1-ethyl-3-methylimidazolium diethyl phosphate ([Emim]DEP) was used to dispense graphene nanoplates (GN) and multiwalled carbon nanotubes (MWCNTs) as well as dissolve cellulose for fabricating composite conductive films. The effects of GN, MWCNTs, and cellulose mass ratios on the electrical conductivity and morphology of the films were investigated. The interaction between GN, MWCNTs, and cellulose was analyzed by SEM, X-ray diffraction (XRD), TGA, and Raman spectroscopy. The results indicate that [Emim]DEP plays a vital and irreplaceable role in GN and MWCNTs dispersion, cellulose dissolution, and porous formation during the regeneration and drying processes. MWCNTs linked flaky GN and a hybrid structure was constructed elaborately to form a better conductive path and improve the conductivity as well as increase the film stability. For the XRD result, the carbonized GN-MWCNTs-cellulose films exhibited the graphitic peaks, showing that the films still retained the structure of carbon atoms or molecules. Besides, the maximum conductivity of carbonized GN-MWCNTs-cellulose (7:3:2) composite film was up to 9,009 S m(-1), due to the small carbon clusters formation and the high degree of graphitization. Further, the carbonized films were applied as anodes in Li-ion battery and showed good electrochemical performance. The best cyclic stability (i.e., discharge/charge capacity) of 438/429 mA h g(-1) and coulomb efficiency of 50.2% were obtained. This novel and sustainable design is a promising approach to obtain cellulose-based conductive films and anodes for Li-ion battery applications.
Keywordanode materials carbon nano materials cellulose conductive films Ionic liquids
DOI10.1002/app.49430
Language英语
WOS KeywordNANOTUBE COMPOSITE MEMBRANES ; REDUCED GRAPHENE OXIDE ; CARBON NANOTUBES ; MECHANICAL-PROPERTIES ; DISSOLVING CELLULOSE ; DISSOLUTION ; GRAPHITE ; GREEN ; PAPER ; NANOCOMPOSITE
Funding ProjectKempestiftelserna ; Carl Tryggers Stiftelse ; National Natural Science Foundation of China (CN)[21978306] ; National Natural Science Foundation of China[21776276] ; Zhengzhou High Level Talent[20180300045]
WOS Research AreaPolymer Science
WOS SubjectPolymer Science
Funding OrganizationKempestiftelserna ; Carl Tryggers Stiftelse ; National Natural Science Foundation of China (CN) ; National Natural Science Foundation of China ; Zhengzhou High Level Talent
WOS IDWOS:000535951200001
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/40883
Corresponding AuthorLiu, Yanrong; Nie, Yi
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Beijing Key Lab Ion Liquids Clean Proc, State Key Lab Multiphase Complex Syst,CAS Key Lab, Beijing, Peoples R China
2.Univ Chinese Acad Sci, Sch Chem Engn, Beijing, Peoples R China
3.Zhengzhou Inst Emerging Ind Technol, Zhengzhou, Peoples R China
4.Lulea Univ Technol, Div Energy Sci, Energy Engn, S-97187 Lulea, Sweden
Recommended Citation
GB/T 7714
Zhou, Le,Pan, Fengjiao,Zeng, Shaojuan,et al. Ionic liquid assisted fabrication of cellulose-based conductive films for Li-ion battery[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2020:12.
APA Zhou, Le.,Pan, Fengjiao.,Zeng, Shaojuan.,Li, Qiongguang.,Bai, Lu.,...&Nie, Yi.(2020).Ionic liquid assisted fabrication of cellulose-based conductive films for Li-ion battery.JOURNAL OF APPLIED POLYMER SCIENCE,12.
MLA Zhou, Le,et al."Ionic liquid assisted fabrication of cellulose-based conductive films for Li-ion battery".JOURNAL OF APPLIED POLYMER SCIENCE (2020):12.
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