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首页> 美国卫生研究院文献>Molecules >The Study of Electrical and Electrochemical Properties of Magnesium Ion Conducting CS: PVA Based Polymer Blend Electrolytes: Role of Lattice Energy of Magnesium Salts on EDLC Performance
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The Study of Electrical and Electrochemical Properties of Magnesium Ion Conducting CS: PVA Based Polymer Blend Electrolytes: Role of Lattice Energy of Magnesium Salts on EDLC Performance

机译：镁离子传导Cs的电化学性质研究：PVA基聚合物混合电解质：镁盐晶格能量对EDLC性能的作用

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Plasticized magnesium ion conducting polymer blend electrolytes based on chitosan (CS): polyvinyl alcohol (PVA) was synthesized with a casting technique. The source of ions is magnesium triflate Mg(CF3SO3)2, and glycerol was used as a plasticizer. The electrical and electrochemical characteristics were examined. The outcome from X-ray diffraction (XRD) examination illustrates that the electrolyte with highest conductivity exhibits the minimum degree of crystallinity. The study of the dielectric relaxation has shown that the peak appearance obeys the non-Debye type of relaxation process. An enhancement in conductivity of ions of the electrolyte system was achieved by insertion of glycerol. The total conductivity is essentially ascribed to ions instead of electrons. The maximum DC ionic conductivity was measured to be 1.016 × 10−5 S cm−1 when 42 wt.% of plasticizer was added. Potential stability of the highest conducting electrolyte was found to be 2.4 V. The cyclic voltammetry (CV) response shows the behavior of the capacitor is non-Faradaic where no redox peaks appear. The shape of the CV response and EDLC specific capacitance are influenced by the scan rate. The specific capacitance values were 7.41 F/g and 32.69 F/g at 100 mV/s and 10 mV/s, respectively. Finally, the electrolyte with maximum conductivity value is obtained and used as electrodes separator in the electrochemical double-layer capacitor (EDLC) applications. The role of lattice energy of magnesium salts in energy storage performance is discussed in detail.
机译：基于壳聚糖（CS）的塑化的镁离子传导聚合物共混物电解质：用铸造技术合成聚乙烯醇（PVA）。离子源是Triflate Mg（CF 3 SO 3）2的镁，并且使用甘油作为增塑剂。检查电气和电化学特性。来自X射线衍射（XRD）检查的结果表明，具有最高导电性的电解质表现出最小度的结晶度。对介电松弛的研究表明，峰外观遵循非德义式的松弛过程。通过插入甘油，实现了电解质系统离子电导率的增强。总电导率基本上归因于离子而不是电子。当42重量％时，测量最大直流离子电导率为1.016×10-5 s cm-1。加入增塑剂％。发现最高导电电解质的潜在稳定性为2.4V。循环伏安法（CV）响应表明电容器的行为是非游览的，在那里没有出现氧化还原峰。 CV响应和EDLC特定电容的形状受扫描速率的影响。特定电容值分别为100mV / s和10mV / s的7.41 f / g和32.69 f / g。最后，获得最大电导率值的电解质并用作电化学双层电容器（EDLC）应用中的电极分离器。详细讨论了晶格盐的角色盐的作用。

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