Exceptional Water Desalination Performance with Anion-Selective Electrodes

© 2019 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 31(2019), 10 vom: 01. März, Seite e1806937
1. Verfasser: Arulrajan, Antony C (VerfasserIn)
Weitere Verfasser: Ramasamy, Deepika L, Sillanpää, Mika, van der Wal, Albert, Biesheuvel, P Maarten, Porada, Slawomir, Dykstra, Jouke E
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article anion-selective electrodes capacitive deionization water desalination
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520 |a Capacitive deionization (CDI) typically uses one porous carbon electrode that is cation adsorbing and one that is anion adsorbing. In 2016, Smith and Dmello proposed an innovative CDI cell design based on two cation-selective electrodes and a single anion-selective membrane, and thereafter this design was experimentally validated by various authors. In this design, anions pass through the membrane once, and desalinated water is continuously produced. In the present work, this idea is extended, and it is experimentally shown that also a choice for anion-selective electrodes, in combination with a cation-selective membrane, leads to a functional cell design that continuously desalinates water. Anion-selective electrodes are obtained by chemical modification of the carbon electrode with (3-aminopropyl)triethoxysilane. After chemical modification, the activated carbon electrode shows a substantial reduction of the total pore volume and Brunauer-Emmett-Teller (BET) surface area, but nevertheless maintains excellent CDI performance, which is for the first time that a low-porosity carbon electrode is demonstrated as a promising material for CDI 
650 4 |a Journal Article 
650 4 |a anion-selective electrodes 
650 4 |a capacitive deionization 
650 4 |a water desalination 
700 1 |a Ramasamy, Deepika L  |e verfasserin  |4 aut 
700 1 |a Sillanpää, Mika  |e verfasserin  |4 aut 
700 1 |a van der Wal, Albert  |e verfasserin  |4 aut 
700 1 |a Biesheuvel, P Maarten  |e verfasserin  |4 aut 
700 1 |a Porada, Slawomir  |e verfasserin  |4 aut 
700 1 |a Dykstra, Jouke E  |e verfasserin  |4 aut 
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