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Triethoxysilane with oligo(ethylene oxide) substituent as film forming additive for graphite anode
Qin, Xue-ying1,2; Wang, Jing-lun1; Tang, Dao-ping1; Mai, Yong-jin1; Zhang, Ling-zhi1
2013-07-01
发表期刊JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A
卷号14期号:7页码:514-519
摘要{3-[2-(2-methoxyethoxy) ethoxy]-propyl} triethoxysilane (TESM2) was synthesized and used as an electrolyte additive to improve the performances of lithium-ion batteries (LIBs). The electrochemical properties of the electrolyte (1 mol/L lithium hexafluorophosphate (LiPF6)/ethylene carbonate (EC):diethylene carbonate (DEC):dimethyl carbonate (DMC), 1: 1: 1) with different contents of TESM2 were characterized by ionic conductivity measurement, galvanostatic charge/discharge test of graphite/Li half cells, and electrochemical impedance spectroscopy. Both the cycling performances and C-rate capabilities of graphite/Li half cells were significantly improved with an optimized content of 15% TESM2 in the electrolyte. The graphite/Li half cell delivered a very high specific capacity of 370 mAh/g at 0.2C rate without any capacity loss for 60 cycles, and retained a capacity of 292 mAh/g at 2C rate. The solid electrolyte interphase (SEI) film on the surface of the graphite anode was investigated by scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS), indicating that TESM2 was effectively involved in the formation of SEI film on the surface of graphite.
文章类型Article
关键词Triethoxysilane Electrolyte Additive Solid Electrolyte Interphase Graphite Anode Lithium-ion Batteries (Libs)
WOS标题词Science & Technology ; Technology ; Physical Sciences
DOI10.1631/jzus.A1300026
研究领域[WOS]Engineering ; Physics
关键词[WOS]LITHIUM-ION BATTERIES ; PC-BASED ELECTROLYTE ; LI-ION ; TRIS-2-METHOXYETHOXY SILANE ; ELECTROCHEMICAL-BEHAVIOR ; VINYLENE CARBONATE ; CELLS ; PERFORMANCE ; SALT
收录类别SCI
语种英语
WOS类目Engineering, Multidisciplinary ; Physics, Applied
WOS记录号WOS:000322884900006
引用统计
被引频次:3[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/344007/9090
专题中国科学院广州能源研究所
有机能源材料实验室
作者单位1.Chinese Acad Sci, Key Lab Renewable Energy, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
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GB/T 7714
Qin, Xue-ying,Wang, Jing-lun,Tang, Dao-ping,et al. Triethoxysilane with oligo(ethylene oxide) substituent as film forming additive for graphite anode[J]. JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A,2013,14(7):514-519.
APA Qin, Xue-ying,Wang, Jing-lun,Tang, Dao-ping,Mai, Yong-jin,&Zhang, Ling-zhi.(2013).Triethoxysilane with oligo(ethylene oxide) substituent as film forming additive for graphite anode.JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A,14(7),514-519.
MLA Qin, Xue-ying,et al."Triethoxysilane with oligo(ethylene oxide) substituent as film forming additive for graphite anode".JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A 14.7(2013):514-519.
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