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首页> 外文期刊>Journal of Applied Polymer Science >New all solid-state polymer electrolyte based on epoxy resin and ionic liquid for high temperature applications
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New all solid-state polymer electrolyte based on epoxy resin and ionic liquid for high temperature applications

机译：基于环氧树脂的新型固态聚合物电解质和用于高温应用的离子液体

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Flexible epoxy network loaded with high amount of ionic liquid (IL) 1-decyl-3-methylimidazolium bromide ([DMIM]Br) has been reported by using a mixture of polyol amine as curing agent. The IL presents good electrochemical response even at 170 degrees C, as no evidence of redox reactions was observed. The incorporation of as high as 50 wt % of this IL within the epoxy matrix resulted in solid and flexible electrolyte with good thermal stability below 180 degrees C, as measured by thermogravimetric analysis and ionic conductivity of around 10(-6) S cm(-1) at room temperature and higher than 10(-3) S cm(-1) at high temperature. This electrolyte presented a prodigious potential for applications in electrochemical devices at high temperature like batteries and supercapacitors, and the flexibility of this solid electrolyte persist at low temperature because of its low glass transition temperature. Furthermore, leakage problems were not observed. Thereby, impedance spectroscopy and cyclic voltammetry were performed to characterize the electrochemical properties. (C) 2017 Wiley Periodicals, Inc.
机译：通过使用多元醇胺作为固化剂的混合物，已经报道了具有大量离子液体（IL）1-癸基-3-甲基咪唑溴（[DMIM] BR）的柔性环氧网络。即使在170摄氏度下，IL也呈现出良好的电化学反应，因为没有观察到氧化还原反应的证据。在环氧基质中掺入高达50wt％的IL，导致具有良好的热稳定性的固体和柔性电解质，低于180℃，通过热重分析和离子电导率约为10（6）Scm（ - 1）在高温下在室温下高于10（-3）厘米（-1）。该电解质呈现在高温电池和超级电容器中的电化学装置中的应用潜力，并且由于其低玻璃化转变温度，该固体电解质在低温下持续的柔韧性。此外，未观察到泄漏问题。由此，进行阻抗光谱和循环伏安法以表征电化学性质。 （c）2017 Wiley期刊，Inc。

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