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Organosilicon functionalized quaternary ammonium ionic liquids as electrolytes for lithium-ion batteries
Mai, Y. J.1; Luo, H.1; Zhao, X. Y.1; Wang, J. L.1; Davis, Jonathan2; Lyons, Leslie J.2; Zhang, L. Z.1
2014-09-01
Source PublicationIONICS
Volume20Issue:9Pages:1207-1215
AbstractOrganosilicon-functionalized quaternary ammonium ionic liquids (ILs) with oligo(ethylene oxide) substituent are designed and synthesized. Such properties as viscosity, conductivity, and thermal/electrochemical stability of these ILs are characterized. These ILs are miscible with the commercial carbonate electrolyte (EC: DEC = 1:1(w/w), 1 M LiPF6) and are used as cosolvents to form hybrid electrolytes in proportions up to 30 vol%. By using such hybrid electrolytes, the LiFePO4/Li half cells exhibit no deterioration in specific capacity and cyclability, and the graphite/Li half cells show improved compatibility in the presence of lithium oxalyldifluoroborate. These hybrid electrolytes exhibit less flammability compared with the commercial baseline electrolyte, and thus improved safety for use in lithium-ion batteries.
SubtypeArticle
KeywordIonic Liquid Organosilicon Functionalized Cation Hybrid Electrolyte Lithium-ion Battery
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1007/s11581-014-1085-4
WOS Subject ExtendedChemistry ; Electrochemistry ; Physics
WOS KeywordIMIDAZOLIUM CATIONS ; LOW-VISCOSITY ; ETHER ; MIXTURES ; ANIONS ; SOLVATION ; CARBONATE ; DYNAMICS ; BEHAVIOR ; CELLS
Indexed BySCI
Language英语
WOS SubjectChemistry, Physical ; Electrochemistry ; Physics, Condensed Matter
WOS IDWOS:000341084600002
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10769
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510460, Guangdong, Peoples R China
2.Grinnell Coll, Dept Chem, Grinnell, IA 50112 USA
Recommended Citation
GB/T 7714
Mai, Y. J.,Luo, H.,Zhao, X. Y.,et al. Organosilicon functionalized quaternary ammonium ionic liquids as electrolytes for lithium-ion batteries[J]. IONICS,2014,20(9):1207-1215.
APA Mai, Y. J..,Luo, H..,Zhao, X. Y..,Wang, J. L..,Davis, Jonathan.,...&Zhang, L. Z..(2014).Organosilicon functionalized quaternary ammonium ionic liquids as electrolytes for lithium-ion batteries.IONICS,20(9),1207-1215.
MLA Mai, Y. J.,et al."Organosilicon functionalized quaternary ammonium ionic liquids as electrolytes for lithium-ion batteries".IONICS 20.9(2014):1207-1215.
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