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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
发表期刊IONICS
卷号20期号:9页码:1207-1215
摘要Organosilicon-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.
文章类型Article
关键词Ionic Liquid Organosilicon Functionalized Cation Hybrid Electrolyte Lithium-ion Battery
WOS标题词Science & Technology ; Physical Sciences
DOI10.1007/s11581-014-1085-4
研究领域[WOS]Chemistry ; Electrochemistry ; Physics
关键词[WOS]IMIDAZOLIUM CATIONS ; LOW-VISCOSITY ; ETHER ; MIXTURES ; ANIONS ; SOLVATION ; CARBONATE ; DYNAMICS ; BEHAVIOR ; CELLS
收录类别SCI
语种英语
WOS类目Chemistry, Physical ; Electrochemistry ; Physics, Condensed Matter
WOS记录号WOS:000341084600002
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10769
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510460, Guangdong, Peoples R China
2.Grinnell Coll, Dept Chem, Grinnell, IA 50112 USA
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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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