摘要
采用溶剂挥发法制备了塑晶聚合物电解质膜。通过红外(FTIR),扫描电镜(SEM)对其内部基团结构及形貌进行了表征,采用DSC,万能材料试验机对其热稳定性及机械性能进行测试,采用循环伏安,交流阻抗以及恒流充放电对其电化学性能进行测试。结果表明,塑晶聚合物电解质具有良好的机械性能、较高室温电导率以及较宽的化学稳定窗口,在室温下其电导率约为0.9×10~(-3)S/cm。
The plastic crystal polymer electrolyte was synthesized by one step solvent evaporation method. The structure and morphology of plastic crystal polymer electrolyte were characterized by Fourier transform infrared spectroscopy(FTIR) and scanning electron microscope, the thermal stability and mechanical property were characterized by differential scanning calorimetry(DSC) and universal materials testing machine, and the electrochemical performance was studied by cyclic voltammetry(CV), impedance spectra, and constant-current charge and discharge. It turns out that plastic crystal polymer electrolyte is mechanical tough, by the mean time, it has high room-temperature conductivity and a wide electrochemical stability window, and the ambient temperature conductivities reaches 0.9×10~(-3)S/cm.
引文
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