双电层中离子的行为

2011 Annual Report Conference on Electrical Insulation and Dielectric Phenomena Pub Date : 2011-10-01 DOI:10.1109/CEIDP.2011.6232781

Y. Fujii, Y. Muramoto, N. Shimizu

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引用次数: 2

摘要

双电层是一种界面现象。这种现象被认为具有巨大的电容。本研究的目的是分析离子在双电层中的行为。为此，我们在室温下用阶跃电压和斜坡电压测量了EDL在5 wt% NaCl溶液中的电容。我们还观察了EDL在低温下的特性。我们得到了以下结果。斜坡电压产生的电容大约是阶跃电压产生的电容的十倍。EDL短路后保存在冷冻NaCl溶液中。室温下，冷冻EDL的电容量大于液态EDL的电容量。

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Behavior of ions in electric double layer

Electric double layer (EDL) is a kind of interfacial phenomenon. The Phenomenon is known to have huge capacitance. The purpose of the present study is analysis of behavior of ions in electric double layer. For this purpose, we measured capacitance of EDL in 5 wt% NaCl solution at room temperature using step voltage and ramp voltage. We also observed characteristics of EDL at low temperature. We obtained following results. The capacitance by the ramp voltage is about ten times larger than that by the step voltage. EDL is kept in frozen NaCl solution after short-circuiting. Capacitance of frozen EDL is larger than that of liquid EDL at room temperature.

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2011 Annual Report Conference on Electrical Insulation and Dielectric Phenomena

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