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首页> 外文期刊>Journal of Polymer Research >Effect of Al_2O_3 Nanofiller on ion conductivity, transmittance, and glass transition temperature of PEI:LiTFSI:PC:EC polymer electrolytes
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Effect of Al_2O_3 Nanofiller on ion conductivity, transmittance, and glass transition temperature of PEI:LiTFSI:PC:EC polymer electrolytes

机译：Al_2O_3纳米填充物对PEI的离子传导性，透射率和玻璃化转变温度的影响：LITFSI：PC：EC聚合物电解质

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摘要

In the present study, ion conductivity, optical properties, and glass transition temperatures are characterized for polymer electrolytes composed of poly(ethyleneimine) (PEI), lithium bis(trifluoromethane)sulfonylimide (LiTFSI) salt, propylene carbonate (PC), and ethylene carbonate (EC). It was doped with nanoceramic particles in different ratio (0- 15 wt.%) to see the effect of ceramic particles. The salt concentration was fixed as 1.04 mol.kg~(-1). Although valuable improvement in ion conductivity could not be achieved due to nano-Al_2O_3 fillers, ion conductivity results are placed between 10~(-2) and 10~(-4) S/cm. Differential scanning calorimetry (DSC) measurements and optical measurements of all electrolytes were performed between -80 and 140 °C, in the wavelength range between 400 and 700 nm for sample with 80 μm thickness, respectively. The results showed that transmittance of electrolytes decreased monotonically for increasing Al_2O_3 contents. In particular, its transmittance value at 550 nm where human sight is at its greatest sensitivity went from 100% without nanoparticles to 50% for 15 wt% of Al_2O_3.
机译：在本研究中，离子电导率，光学性质和玻璃化转变温度的特征在于由聚（乙烯亚胺）（PEI），锂双（三氟甲烷）磺酰内酯（LITFSI）盐，碳酸亚丙酯（PC）和碳酸亚乙酯组成的聚合物电解质（EC）。它以不同的比例（0-15重量％）掺杂纳米钙颗粒以看出陶瓷颗粒的作用。盐浓度固定为1.04mol.kg〜（-1）。尽管由于纳米Al_2O_3填料，不能实现离子传导性的有价值的改善，但离子传导结果置于10〜（2）和10〜（-4）S / cm之间。差示扫描量热法（DSC）测量和所有电解质的光学测量在-80和140℃之间进行，在400至700nm之间的波长范围内，分别具有80μm厚度的样品。结果表明，用于增加Al_2O_3含量，电解质的透射率下调。特别地，其在550nm处的透射率值，其中人类瞄准的敏感性从100％从100％的情况下达到50％，占15wt％的Al_2O_3。

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