Nanoporous activated carbon cloth for capacitive deionization of aqueous solution

被引:131
作者
Oh, Han-Jun
Lee, Jong-Ho
Ahn, Hong-Joo
Jeong, Yongsoo
Kim, Young-Jig
Chi, Choong-Soo [1 ]
机构
[1] Kookmin Univ, Sch Adv Mat Engn, Seoul 136702, South Korea
[2] Hanseo Univ, Dept Mat Sci, Seosan 352820, South Korea
[3] Hanseo Univ, Dept Chem, Seosan 352820, South Korea
[4] Korea Atom Energy Res Inst, Taejon 305600, South Korea
[5] Korea Inst Machinery & Mat, Chang Won 641010, South Korea
[6] Sungkyunkwan Univ, Dept Met Engn, Suwon 440746, South Korea
关键词
activated carbon cloth; capacitive deionization; cyclic voltammetry; XPS;
D O I
10.1016/j.tsf.2005.12.146
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Activated nanostructured-carbon cloths with a high ratio of surface area to volume are used as electrode for capacitive deionization. The electrochemical properties on capacitive deionization for NaCl solution have been investigated to improve efficiency of capacitive deionization properties from aqueous solution, employing chemical surface-modification by etching in alkaline and acidic solution. The removal efficiency of inorganic salts of activated carbon cloths by chemical modification significantly increased. Specially the carbon cloth surface modified in HNO3 showed an effect of improvement in the CDI efficiency due to not only ion adsorption by an electric double layer, but also electron transfer by Faradaic reaction. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码:220 / 225
页数:6
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