加压CO2/乙腈/TBAPF6 混合物的导电率分析

上海大学学报(自然科学版) ›› 2013, Vol. 19 ›› Issue (4): 340-344.

加压CO₂/乙腈/TBAPF₆ 混合物的导电率分析

鄢浩1, 王文敏1, 川合章子2, 大竹勝人3

(1. 上海大学环境与化学工程学院, 上海200444; 2. 日本产业综合技术研究所, 日本茨城305-8565;
3. 东京理科大学工业化学系, 日本东京162-0826)

出版日期:2013-08-27 发布日期:2013-08-27
通讯作者: 鄢浩(1974—), 女, 副教授, 博士, 研究方向为超临界流体技术、电化学和离子液体. E-mail: hao-yan@shu.edu.cn
作者简介:鄢浩(1974—), 女, 副教授, 博士, 研究方向为超临界流体技术、电化学和离子液体. E-mail: hao-yan@shu.edu.cn
基金资助:
国家自然科学基金资助项目(20604015, 21176152)

Electrical Conductivity of Pressure Elevated Pressure CO₂/CH₃CN/TBAPF₆ Mixture

(1. School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, China;
2. National Institute of Advanced Industrial Science and Technology, Ibaraki 305-8565, Japan;
3. Department of Industrial Chemical, Tokyo University of Science, Tokyo162-0826, Japan)

Online:2013-08-27 Published:2013-08-27

摘要/Abstract

摘要： 采用低频交流阻抗法测定了加压CO₂/乙腈/TBAPF₆ 混合物的导电率. 结果表明, 随着CO₂ 的添加,CO₂/乙腈/TBAPF₆ 混合物的导电率呈现先急剧下降、后急剧上升、最后缓慢下降的三段式变化趋势. 结合相行为观察结果和加压CO₂/乙腈混合体系的介电常数测定结果, 分析了CO₂ 对混合物导电性变化的可能作用.

关键词: 导电率, 二氧化碳膨胀液体, 介电常数, 相行为, 乙腈

Abstract: The conductivity of pressure-elevated CO₂/CH₃CN/TBAPF₆ mixture was determined using an AC impedance method. After adding CO₂, conductivity of the pressure-elevated mixture experienced three stages: first dropping rapidly, then rising rapidly and finally slowly dropping. Based on the information obtained by the phase observation and dielectric constant determination of the CO₂/CH₃CN mixed solvent, the possible effect of CO₂ on conductivity of the CO₂/CH₃CN/TBAPF₆ mixture is discussed.

Key words: acetonitrile;phase behavior, carbon dioxide expanded liquids (CXLs), dielectric constant, electrical conductivity

中图分类号:

O 646.54

鄢浩, 王文敏, 川合章子, 大竹勝人. 加压CO₂/乙腈/TBAPF₆ 混合物的导电率分析[J]. 上海大学学报(自然科学版), 2013, 19(4): 340-344.

YAN Hao1, WANG Wen-ming1, KAWAAI Akiko2, OTAKE Katsto3. Electrical Conductivity of Pressure Elevated Pressure CO₂/CH₃CN/TBAPF₆ Mixture[J]. Journal of Shanghai University（Natural Science Edition）, 2013, 19(4): 340-344.

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加压CO₂/乙腈/TBAPF₆ 混合物的导电率分析

Electrical Conductivity of Pressure Elevated Pressure CO₂/CH₃CN/TBAPF₆ Mixture

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