【摘要】 利用交流阻抗谱仪、FT- IR、DSC研究了聚氨酯 /盐体系的离子状态和电导率。通过自由体积理论推导了聚合物固体电解质电导率的计算公式。为使公式更符合实际离子的存在状态 ,用变温红外光谱首次对离子状态随温度的变化进行跟踪研究 ,对公式进行了改进。并从电导率数据计算出了 VTF公式应用于聚氨酯 / L i CF3SO3体系的各种参数 ,讨论了盐浓度对参数的影响更多还原

【Abstract】 The solid stat electrolyte of poly(ethylene oxide)-urethane/salt complex was investigated by means of AC impedance, FT-IR, DSC and ionic conductivity equation was deducted using free volume theory. For the practicality of the equation, the ionic state in the samples was analyzed by FT-IR and the free volume equation by the free ionic concentration in poly(ethylene oxide)-urethane/salt complex was rectified. Using numerical fits for conductivity data in the whole temperature range, the parameters of the VTF equation in PEU/LiCF 3SO 3 were got.更多还原