电解质
材料科学
聚合物
差示扫描量热法
热稳定性
循环伏安法
聚合
化学工程
高分子化学
离子电导率
电化学
化学
复合材料
电极
物理化学
热力学
物理
工程类
出处
期刊:武汉理工大学学报(材料科学版)(英文版)
日期:2009-01-01
摘要
A new type of semi-IPN gel electrolyte was prepared by thermal polymerization in this article.The cross-linked PEG200 (MXPEG) was prepared by condensation reaction in the presence of methacryloxypropyltrimethoxysilane (MAPTMS),the condensation product was then blent with PMMA and polymerized to form polymer blends with semi-IPN fabric.Differential scanning calorimetry and X-ray diffraction spectroscopy were used to investigate the thermal transition behavior of the polymer blends prepared.Ion-conducting behaviors and the electrochemical stability window for semi-IPN gel electrolyte were investigated by means ofimpedance spectroscopy and linear sweep voltammetry.The Arrhenius-type relationship was observed in the temperature dependence ofionic conductivity.All the properties shows that the prepared semi-IPN gel electrolyte possesses certain levels of electrolye salt and plasticizer were expected to have applications of gel polymer electrolyte for lithium polymer secondary batteries.
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