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首页> 外文期刊>ACS Macro Letters >Mechanisms of Ion Transport in Block Copolymeric Polymerized Ionic Liquids
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Mechanisms of Ion Transport in Block Copolymeric Polymerized Ionic Liquids

机译:嵌段共聚聚合离子液体中离子输送机制

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摘要

We present the results of a multiscale simulation framework investigating the ion transport mechanisms in multicomponent polymerized ionic liquids. Three different classes of polymeric ionic liquid systems, namely, random copolymers, lamellae forming block copolymers, and homopolymers, are constructed at the coarse-grained scale, and their atomistic counterparts are derived by using a reverse mapping method. Using such a framework, we investigate the influence of morphology on ion transport properties of such polymerized ionic liquids. Our results for ion mobilities are in qualitative agreement with experimental observations. Further analysis of random copolymer and block copolymer systems reveal that the reduced ion mobilities in such systems arise from the influence of architecture and morphology on ion coordination and intramolecular hopping events.
机译:我们介绍了多尺度仿真框架的结果,研究了多组分聚合离子液体中的离子传输机制。 三种不同类别的聚合物离子液体系统,即随机共聚物,薄片形成嵌段共聚物和均聚物在粗粒度的规模构建,并且通过使用反向映射方法来推导它们的原子对应物。 使用这种框架,我们研究了形态对这种聚合离子液体离子传输性能的影响。 我们的离子迁移率结果与实验观察结果进行了定性协议。 对随机共聚物和嵌段共聚物系统的进一步分析表明,这种系统中的离子迁移率降低来自建筑和形态对离子协调和分子内跳跃事件的影响。

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