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Ferroelectric Phase Behaviors in Porous Electrodes
Langmuir ( IF 3.7 ) Pub Date : 2017-09-07 00:00:00 , DOI: 10.1021/acs.langmuir.7b01787 Kenji Kiyohara 1 , Yasushi Soneda 2 , Kinji Asaka 1
Langmuir ( IF 3.7 ) Pub Date : 2017-09-07 00:00:00 , DOI: 10.1021/acs.langmuir.7b01787 Kenji Kiyohara 1 , Yasushi Soneda 2 , Kinji Asaka 1
Affiliation
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The phase behavior of ions in porous electrodes is qualitatively different from that in the bulk because of the confinement effect and the interaction between the electrode surface and the electrolyte ions. We found that porous electrodes of which the pore size is close to the size of the electrolyte ions can show ferroelectric phase behaviors in some conditions by Monte Carlo simulations of simple models. The phase behavior of the porous electrodes dramatically changes as a function of the pore size of the porous electrode and that is compared to the phase behavior of typical ferroelectric materials, for which the phase behavior changes as a function of the temperature or the composition. The origin of the phase behavior is discussed in terms of the molecular interaction and the ionic structure inside the porous electrodes. We also found that the density of counterions and that of co-ions inside porous electrodes changes in a nonlinear fashion as a function of the applied voltage, which is in agreement with the experimental results.
中文翻译：
多孔电极中的铁电相行为
由于约束作用以及电极表面与电解质离子之间的相互作用，多孔电极中离子的相行为在质量上与在本体中不同。我们发现，通过简单模型的蒙特卡洛模拟，孔径接近电解质离子大小的多孔电极在某些条件下可以显示铁电相行为。多孔电极的相行为根据多孔电极的孔径而显着变化，并且与典型的铁电材料的相行为进行比较，对于典型的铁电材料，其相行为随温度或组成而变化。根据分子相互作用和多孔电极内部的离子结构来讨论相行为的起源。
更新日期：2017-09-07
中文翻译：
多孔电极中的铁电相行为
由于约束作用以及电极表面与电解质离子之间的相互作用，多孔电极中离子的相行为在质量上与在本体中不同。我们发现，通过简单模型的蒙特卡洛模拟，孔径接近电解质离子大小的多孔电极在某些条件下可以显示铁电相行为。多孔电极的相行为根据多孔电极的孔径而显着变化，并且与典型的铁电材料的相行为进行比较，对于典型的铁电材料，其相行为随温度或组成而变化。根据分子相互作用和多孔电极内部的离子结构来讨论相行为的起源。
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