类超电容活性炭的电容去离子除盐性能

doi:-

东北大学学报(自然科学版) ›› 2013, Vol. 34 ›› Issue (5): 727-730.DOI: -

类超电容活性炭的电容去离子除盐性能

赵研¹，胡筱敏¹，姜彬慧¹，孙汝裴²

(1.东北大学资源与土木工程学院，辽宁沈阳110819；2.上海和达化工石油工程技术有限公司，上海201206)

收稿日期:2012-09-26 修回日期:2012-09-26 出版日期:2013-05-15 发布日期:2013-07-09
通讯作者: 赵研
作者简介:赵研(1983-)，男，辽宁沈阳人，东北大学博士研究生；胡筱敏(1958-)，男，江西婺源人，东北大学教授，博士生导师.
基金资助:
国家自然科学基金资助项目(51178088).

Performance of Capacitive Deionization in Saline Water by LikeSuper Capacitance Activated Carbon

ZHAO Yan¹， HU Xiaomin¹， JIANG Binhui¹， SUN Rupei²

1. School of Resources ＆ Civil Engineering， Northeastern University， Shenyang 110819， China; 2. Heda Petrochemical Engineering ＆ Technology Co.， Ltd.， Shanghai 201206， China.

Received:2012-09-26 Revised:2012-09-26 Online:2013-05-15 Published:2013-07-09
Contact: HU Xiaomin
About author:-
Supported by:
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摘要/Abstract

摘要： 采用类超电容活性炭作为电极材料，通过涂层的方法制备了活性炭电极，并构造了简易的电容去离子(CDI)反应装置.通过BET和DFT法测定了电极材料的比表面积、孔容及孔径分布，分析了电极的SEM图像.测定不同电压下溶液电导率、出水pH值，研究了电极的吸、脱附性能及电极反应情况.结果表明类超电容活性炭具有发达的微孔和一定数量中孔；电压范围在08~18V时，随着电压的升高，吸附脱盐效率也升高，并且30min内离子可完全脱附，电极再生性较好.吸附时不同电极电压下溶液pH值的升高或降低，表明阴阳两极不同的电化学氧化还原反应.

关键词: 类超电容活性炭, 电容去离子(CDI), 电压, pH值, 涂层

Abstract: A simple CDI(capacitive deionization) reactor device was fabricated with the carbon electrodes of likesuper capacitance activated carbon made by coating. The specific surface area and pore size distribution were measured by BET and DFT while the surface morphology and structure were observed with SEM. The electrodes’ performance and electrochemistry reactions were discussed followed by the measurement of conductivity， pH value in solution at different bias potentials. It was indicated that the likesuper capacitance activated carbon was an ideal electrodes’ material due to its advanced microporous and mesoporous. The removal efficiency for ions rose with the increase of potentials which were among 08~18V， then the ions adsorbed on the electrode surface were able to desorb absolutely within 30min， so the electrodes can be recycled easily. According to the changes of pH value in solution at different bias potentials， the electrochemical reactions at the surface between electrodes and solution were anaylsed.

Key words: likesuper capacitance activated carbon, capacitive deionization, potential, pH value, coating

中图分类号:

X522

赵研，胡筱敏，姜彬慧，孙汝裴. 类超电容活性炭的电容去离子除盐性能[J]. 东北大学学报(自然科学版), 2013, 34(5): 727-730.

ZHAO Yan， HU Xiaomin， JIANG Binhui， SUN Rupei. Performance of Capacitive Deionization in Saline Water by LikeSuper Capacitance Activated Carbon[J]. Journal of Northeastern University, 2013, 34(5): 727-730.

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类超电容活性炭的电容去离子除盐性能

Performance of Capacitive Deionization in Saline Water by LikeSuper Capacitance Activated Carbon

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