Anion-selective capacitive deionization using functionalized rGO thin films

被引：0

作者：

Cheng, H. -C. ^{[1
]}

Chen, P. -A. ^{[1
]}

Peng, C. -Y. ^{[2
]}

Liu, S. -H. ^{[1
]}

Tuan, Y. -J. ^{[1
]}

Wang, Hong Paul ^{[1
]}

机构：

[1] Natl Cheng Kung Univ, Dept Environm Engn, Tainan 70101, Taiwan

[2] Tamkang Univ, Dept Water Resources & Environm Engn, New Taipei 25137, Taiwan

来源：

MRS COMMUNICATIONS | 2023年 / 13卷 / 06期

关键词：

Composite; Graphene; Chemical synthesis; EXCHANGE POLYMER; GRAPHENE; FABRICATION; ELECTRODES;

D O I：

10.1557/s43579-023-00465-9

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Drinking water shortage is worsening. Capacitive deionization (CDI) of saltwater has gained attention due to its low energy consumption and environmental friendliness. A single anion exchange membrane (AEM) can selectively move anions to positive electrodes for better desalination performances. Poly(diallyldimethylammonium chloride)-functionalized reduced graphene oxide (PrGO) serves as an AEM for CDI. The AC and PrGO coated AC electrode pair (AC||PrGO/AC) for CDI of saltwater under + 1.5 V for 1 h reaches a high optimized-salt removal and electrosorption capacity. This work presents the feasibility using the high-efficiency and facile PrGO anion-selective thin film layer served as an AEM analog for a simplified and low-cost membrane-CDI process to enhance desalination performances for potential water recycling and reuse from salt, inorganic waste or metal-contaminated ground waters.

引用

页码：1342 / 1348

页数：7

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