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Synthesis of aminoalkylsilanes with oligo(ethylene oxide) unit as multifunctional electrolyte additives for lithium-ion batteries
Wang JingLun; Luo Hao; Mai YongJin; Zhao XinYue; Zhang LingZhi
2013-06-01
Source PublicationSCIENCE CHINA-CHEMISTRY
Volume56Issue:6Pages:739-745
AbstractAminoalkylsilanes with oligo(ethylene oxide) units were designed and synthesized as multifunctional electrolyte additives for lithium-ion batteries. The chemical structures were fully characterized by nuclear magnetic resonance (NMR) spectroscopy and their thermal properties, viscosities, electrochemical windows, and ionic conductivities were systematically measured. With adding one of these compounds (1 vol. %, DSC3N1) in the baseline electrolyte 1.0 M LiPF6 in EC: DEC (1:1, in volume), Li/LiCoO2 half cell tests showed an improved cyclability after 100 cycles and improved rate capability at 5C rate condition. Electrochemical impedance spectroscopy (EIS), X-ray photoelectron spectroscopy (XPS), and energy dispersive spectroscopic (EDS) analysis confirmed the acid scavenging function and film forming capability of DSC3N1. These results demonstrated that the multifunctional organosilicon compounds have considerable potential as additives for use in lithium-ion batteries.
SubtypeArticle
KeywordAminoalkylsilane Electrolyte Additives Lithium Cobalt Oxide Lithium-ion Batteries
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1007/s11426-013-4861-5
WOS Subject ExtendedChemistry
WOS KeywordCELLS ; INTERFACE ; LIQUID ; LICOO2 ; STABILITY ; SILANE
Indexed BySCI
Language英语
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000319775900006
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10054
Collection中国科学院广州能源研究所
AffiliationChinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Wang JingLun,Luo Hao,Mai YongJin,et al. Synthesis of aminoalkylsilanes with oligo(ethylene oxide) unit as multifunctional electrolyte additives for lithium-ion batteries[J]. SCIENCE CHINA-CHEMISTRY,2013,56(6):739-745.
APA Wang JingLun,Luo Hao,Mai YongJin,Zhao XinYue,&Zhang LingZhi.(2013).Synthesis of aminoalkylsilanes with oligo(ethylene oxide) unit as multifunctional electrolyte additives for lithium-ion batteries.SCIENCE CHINA-CHEMISTRY,56(6),739-745.
MLA Wang JingLun,et al."Synthesis of aminoalkylsilanes with oligo(ethylene oxide) unit as multifunctional electrolyte additives for lithium-ion batteries".SCIENCE CHINA-CHEMISTRY 56.6(2013):739-745.
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