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Novel choline-based ionic liquids as safe electrolytes for high-voltage lithium-ion batteries
Yong, Tianqiao1,2,3; Zhang, Lingzhi1; Wang, Jinglun1; Mai, Yongjin1; Yan, Xiaodan1; Zhao, Xinyue1
2016-10-01
Source PublicationJOURNAL OF POWER SOURCES
Volume328Pages:397-404
AbstractThree choline-based ionic liquids functionalized with trimethylsilyl, allyl, and cynoethyl groups are synthesized in an inexpensive route as safe electrolytes for high-voltage lithium-ion batteries. The thermal stabilities, viscosities, conductivities, and electrochemical windows of these ILs are reported. Hybrid electrolytes were formulated by doping with 0.6 M LiPF6/0.4 M lithium oxalydifluoroborate (LiODFB) as salts and dimethyl carbonate (DMC) as co-solvent. By using 0.6 M LiPF6/0.4 M LiODFB trimethylsilylated choline-based IL (SN1IL-TFSI)/DMC as electrolyte, LiCoO2/graphite full cell showed excellent cycling performance with a capacity of 152 mAh g(-1) and 99% capacity retention over 90 cycles at a cut-off voltage of 4.4 V. The propagation rate of SN1IL-TFSI)/DMC electrolyte is only one quarter of the commercial electrolyte (1 M LiPF6 EC/DEC/DMC, v/v/v = 1/1/1), suggesting a better safety feature. (C) 2016 Elsevier B.V. All rights reserved.
SubtypeArticle
KeywordIonic Liquid Choline High-voltage Electrolyte Lithium-ion Battery
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.jpowsour.2016.08.044
WOS Subject ExtendedChemistry ; Electrochemistry ; Energy & Fuels ; Materials Science
WOS KeywordCATHODE MATERIAL ; GRAPHITE ; LICOO2 ; MIXTURES ; BEHAVIOR ; ETHER ; FILM
Indexed BySCI
Language英语
Funding OrganizationNational Natural Science Foundation of China(21573239) ; Guangdong Provincial Project for Science Technology(2014TX 01N014/2014A050503050/2015B010135008) ; Guangzhou Municipal Project for Science Technology(2014Y2-00219/201509010018) ; Dongguan Municipal Project for Science Technology(2013509104210)
WOS SubjectChemistry, Physical ; Electrochemistry ; Energy & Fuels ; Materials Science, Multidisciplinary
WOS IDWOS:000383293400044
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/11843
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, CAS Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
2.Guangdong Inst Microbiol, State Key Lab Appl Microbiol Southern China, Guangzhou 510663, Guangdong, Peoples R China
3.Guangdong Inst Microbiol, Guangdong Prov Key Lab Microbial Culture Collect, Guangzhou 510663, Guangdong, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Yong, Tianqiao,Zhang, Lingzhi,Wang, Jinglun,et al. Novel choline-based ionic liquids as safe electrolytes for high-voltage lithium-ion batteries[J]. JOURNAL OF POWER SOURCES,2016,328:397-404.
APA Yong, Tianqiao,Zhang, Lingzhi,Wang, Jinglun,Mai, Yongjin,Yan, Xiaodan,&Zhao, Xinyue.(2016).Novel choline-based ionic liquids as safe electrolytes for high-voltage lithium-ion batteries.JOURNAL OF POWER SOURCES,328,397-404.
MLA Yong, Tianqiao,et al."Novel choline-based ionic liquids as safe electrolytes for high-voltage lithium-ion batteries".JOURNAL OF POWER SOURCES 328(2016):397-404.
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