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    题名: Highly conductive and electrochemically stable plasticized blend polymer electrolytes based on PVdF-HFP and triblock copolymer PPG-PEG-PPG diamine for Li-ion batteries
    作者: Saikia,D;Wu,HY;Pan,YC;Lin,CP;Huang,KP;Chen,KN;Fey,GTK;Kao,HM
    贡献者: 化學學系
    关键词: RECHARGEABLE LITHIUM BATTERIES;SOLID-STATE NMR;GEL ELECTROLYTES;POLY(ETHYLENE OXIDE);COMPOSITE ELECTROLYTES;SECONDARY BATTERIES;HYBRID;MEMBRANES;SILICA;STABILITY
    日期: 2011
    上传时间: 2012-03-27 18:12:14 (UTC+8)
    出版者: 國立中央大學
    摘要: A new plasticized poly(vinylidene fluoride-co-hexafluoropropylene (PVdF-HFP)/PPG-PEG-PPG diamine/organosilane blend-based polymer electrolyte system has been synthesized and characterized. The structural and electrochemical properties of the electrolytes thus obtained were systematically investigated by a variety of techniques including differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), tensile test, Fourier transform infrared spectroscopy (FTIR), (13)C and (29)Si solid-state NMR, AC impedance, linear sweep voltammetry (LSV) and charge-discharge measurements. The FTIR and NMR results provided the information about the interaction among the constituents in the blend polymer membrane. The present blend polymer electrolyte exhibits several advantageous electrochemical properties such as ionic conductivity up to 1.3 x 10(-2) S cm(-1) at room temperature, high value of Li(+) transference number (t(+) = 0.82), electrochemical stability up to 6.4V vs. Li/Li(+) with the platinum electrode, and stable charge-discharge cycles for lithium-ion batteries. (C) 2010 Elsevier B.V. All rights reserved.
    關聯: JOURNAL OF POWER SOURCES
    显示于类别:[化學學系] 期刊論文

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