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Preparation and Application of Electrodes in Capacitive Deionization (CDI): a State-of-Art Review

Baoping Jia, Wei Zhang Orcid Logo

Nanoscale Research Letters, Volume: 11, Issue: 1

Swansea University Author: Wei Zhang Orcid Logo

Abstract

As a promising desalination technology, capacitive deionization (CDI) have shown practicality and cost-effectiveness in brackish water treatment. Developing more efficient electrode materials is the key to improving salt removal performance. This work reviewed current progress on electrode fabricati...

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Published in: Nanoscale Research Letters
ISSN: 1931-7573 1556-276X
Published: 2016
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa44283
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Abstract: As a promising desalination technology, capacitive deionization (CDI) have shown practicality and cost-effectiveness in brackish water treatment. Developing more efficient electrode materials is the key to improving salt removal performance. This work reviewed current progress on electrode fabrication in application of CDI. Fundamental principal (e.g. EDL theory and adsorption isotherms) and process factors (e.g. pore distribution, potential, salt type and concentration) of CDI performance were presented first. It was then followed by in-depth discussion and comparison on properties and fabrication technique of different electrodes, including carbon aerogel, activated carbon, carbon nanotubes, graphene and ordered mesoporous carbon. Finally, polyaniline as conductive polymer and its potential application as CDI electrode-enhancing materials were also discussed.
Keywords: Capacitive deionization, Electrode, Review, Desalination, Water treatment
College: College of Engineering
Issue: 1