Wang Jinglun; Luo Hao; Mai Yongjin; Zhao Xinyue; Zhang Lingzhi
Source Publicationsciencechinachemistry
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 LiPF_6 in EC: DEC (1:1, in volume), Li/LiCoO_2 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.
Document Type期刊论文
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Wang Jinglun,Luo Hao,Mai Yongjin,et al. synthesisofaminoalkylsilaneswitholigoethyleneoxideunitasmultifunctionalelectrolyteadditivesforlithiumionbatteries[J]. sciencechinachemistry,2013,56(6):739.
APA Wang Jinglun,Luo Hao,Mai Yongjin,Zhao Xinyue,&Zhang Lingzhi.(2013).synthesisofaminoalkylsilaneswitholigoethyleneoxideunitasmultifunctionalelectrolyteadditivesforlithiumionbatteries.sciencechinachemistry,56(6),739.
MLA Wang Jinglun,et al."synthesisofaminoalkylsilaneswitholigoethyleneoxideunitasmultifunctionalelectrolyteadditivesforlithiumionbatteries".sciencechinachemistry 56.6(2013):739.
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