Ion and water transport properties of cation exchange membranes prepared by heavy-ion-track grafting technique

被引：4

作者：

Sawada, Shin-ichi ^{[1
]}

Goto, Mitsuaki ^{[2
]}

Koshikawa, Hiroshi ^{[1
]}

Kitamura, Akane ^{[3
]}

Higa, Mitsuru ^{[4
,5
]}

Yamaki, Tetsuya ^{[1
]}

机构：

[1] Natl Inst Quantum & Radiol Sci & Technol QST, Takasaki Adv Radiat Res Inst, 1233 Watanuki, Takasaki, Gunma 3701292, Japan

[2] Yamaguchi Univ, Grad Sch Sci & Engn, Ube, Yamaguchi, Japan

[3] Japan Atom Energy Agcy, Fuels & Mat Engn Div, Nucl Sci & Engn Res Ctr, Res Grp Radiat Mat Engn, Tokai, Ibaraki, Japan

[4] Yamaguchi Univ, Grad Sch Sci & Technol Innovat, Ube, Yamaguchi, Japan

[5] Blue Energy Ctr SGE Technol BEST, Ube, Yamaguchi, Japan

来源：

SEPARATION SCIENCE AND TECHNOLOGY | 2020年 / 55卷 / 12期

关键词：

Saline water electrodialysis; cation exchange membrane; heavy-ion-track grafting; membrane resistance; water permeation flux; POLYMER ELECTROLYTE MEMBRANES;

D O I：

10.1080/01496395.2019.1648510

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

For high-performance electrodialysis of saline water, cation exchange membranes (CEMs) that actively transport Na+ and restrict water permeation are required. In this study, we prepared novel CEMs by a heavy-ion-track grafting technique and measured their membrane resistance and water permeation flux as transport properties. The prepared nanostructured CEMs exhibited lower resistance and lower water flux than the commercial CEM. Na+ ions were efficiently transported through their unique one-dimensional ion channels (low resistance), while water transport was suppressed due to the very low water uptake of the CEMs. These results demonstrated the high potential of these nanostructured CEMs for use in practical saline water electrodialysis.

引用

页码：2211 / 2216

页数：6

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