Progress in Materials Science· 2013Q1· Review
Review on the science and technology of water desalination by capacitive deionization
- 2,118citations
- Q1SCImago
- 2013year
Short summary
Capacitive Deionization (CDI) uses porous carbon electrodes to remove salt ions from brackish water by temporarily immobilizing them between electrodes under an applied voltage.
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Key points
- Capacitive Deionization (CDI) is an energy-efficient water desalination technology.
- Porous carbon electrodes are central to CDI, optimized for salt storage and ion/electron transport.
- The process involves immobilizing salt ions between electrodes under an applied electrical voltage.
- The review covers electrode materials, testing methods, CDI designs, operational modes, and theoretical understanding.
AI-generated from the title and abstract; the full text is not read.
Abstract
Porous carbon electrodes have significant potential for energy-efficient water desalination using a promising technology called Capacitive Deionization (CDI). In CDI, salt ions are removed from brackish water upon applying an electrical voltage difference between two porous electrodes, in which the ions will be temporarily immobilized. These electrodes are made of porous carbons optimized for salt storage capacity and ion and electron transport. We review the science and technology of CDI and describe the range of possible electrode materials and the various approaches to the testing of materials and devices. We summarize the range of options for CDI-designs and possible operational modes, and describe the various theoretical–conceptual approaches to understand the phenomenon of CDI.
The authors' abstract, as published at the source. Progress in Materials Science, 2013 · DOI ↗
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