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首页> 外文期刊>Journal of the Indian Chemical Society >Influence of porous structure on the ionic conductivity of nano ZnO incorporated PVC-PEG polymer nanocomposite electrolytes
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Influence of porous structure on the ionic conductivity of nano ZnO incorporated PVC-PEG polymer nanocomposite electrolytes

机译：多孔结构对纳米ZnO掺入PVC-PEG聚合物纳米复合电解质的离子电导率的影响

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摘要

Polymer electrolyte membrane comprising poly(vinyl chloride) PVC and poly(ethylene glycol) PEG blend as matrix, lithium per chloride (LiCIO4) as dopant salt and propylene carbonate (PC) as plasticizer was prepared by solution casting method. The nanosized ZnO particles were synthesized through novel solid state milling and calcination of zinc acetate and citric acid powders: The wt% of synthesized particles were synthesized. varied and incorporated as filler in PVC-PEG polymer matrix to study its influence on the conductivity of Polymer electrolytes. The films were subjected to XRD and AC impedance analysis in the frequency range 50-100 KHz at room temperature. The analysis shows strong influence of filler particles on the ionic conductivity of the membranes. The conductivity profile features two maxima occurring at 0.5 wt% and at 4 wt% of filler. The 4 wt% filler added membrane exhibits 10 times enhancement in the conductivity value than the filler free electrolyte membrane. The enhancement in the conductivity was examined through surface morphological (SEM) studies.
机译：通过溶液流延法制备了以聚氯乙烯PVC和聚乙二醇PEG共混物为基质，过氯化锂（LiClO4）为掺杂盐，碳酸亚丙酯（PC）为增塑剂的高分子电解质膜。通过新颖的固态研磨和煅烧乙酸锌和柠檬酸粉末，合成了纳米级的ZnO颗粒：合成了重量百分比的合成颗粒。改变并作为填料加入PVC-PEG聚合物基质中，以研究其对聚合物电解质电导率的影响。在室温下，将膜在50-100 KHz的频率范围内进行XRD和AC阻抗分析。分析表明填料颗粒对膜的离子电导率有很大影响。电导率曲线的特征是两个最大值出现在填料的0.5 wt％和4 wt％处。添加了4重量％的填料的膜的电导率值是无填料的电解质膜的10倍。通过表面形态学（SEM）研究检查了电导率的提高。

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