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Ionically conductive polymer gel electrolytes consisting of crosslinked methacrylonitrile and organic electrolyte

机译:由交联的甲基丙烯腈和有机电解质组成的离子导电聚合物凝胶电解质

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摘要

To develop a highly ion-conductive polymer electrolyte, we copolymerized methacrylonitrile (MAN) with ethylene glycol dimethacrylate (EGDMA) in propylene carbonate that contained tetraethylammonium tetrafluoroborate (TEATFB), changing the TEATFB concentration and the MAN/EGDMA molar ratio. We characterized the obtained polymer gel electrolytes with complex impedance analysis and cyclic voltammetry, intending to apply them to electric double-layer capacitors. The ionic conductivities of the polymer gel electrolytes were dependent on the TEATFB concentration, the temperature, and particularly the crosslinking degree. The polymer gel electrolytes in this system exhibited high room-temperature conductivities (>10(-3) S/cm). Furthermore, these polymer electrolytes showed good electrochemical stability windows ranging from -4.0 to +4.0 V versus Ag. (C) 2002 John Wiley Sons, Inc. [References: 19]
机译:为了开发高离子导电性的聚合物电解质,我们将甲基丙烯腈(MAN)与乙二醇二甲基丙烯酸酯(EGDMA)在碳酸亚丙酯中共聚,该碳酸亚丙酯包含四氟硼酸四乙铵(TEATFB),从而改变TEATFB的浓度和MAN / EGDMA的摩尔比。我们通过复杂的阻抗分析和循环伏安法对所得的聚合物凝胶电解质进行了表征,旨在将其应用于双电层电容器。聚合物凝胶电解质的离子电导率取决于TEATFB的浓度,温度,尤其是交联度。该系统中的聚合物凝胶电解质表现出较高的室温电导率(> 10(-3)S / cm)。此外,这些聚合物电解质相对于Ag显示出良好的电化学稳定性窗口,范围为-4.0至+ 4.0V。 (C)2002 John Wiley Sons,Inc. [参考:19]

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