Journal
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
Volume 17, Issue 10, Pages -Publisher
ESG
DOI: 10.20964/2022.10.01
Keywords
Sodium chloride; Activated carbon; tungsten carbide; Capacitive deionization
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Funding
- Ministry of Education in Saudi Arabia [ISP20-22]
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Capacitive deionization (CDI) is a promising electrochemical water desalination technology, and the incorporation of tungsten carbide with activated carbon was found to enhance the electrochemical and electrosorption activity, making it a promising candidate for water desalination.
Capacitive deionization (CDI) is a promising electrochemical water desalination technology. It is intended to be a low-energy-consumption technology. Because of its low cost and easy availability, activated carbon (AC) has been extensively tested as a CDI electrode material. It does, however, have hydrophobic properties and a low specific capacitance. In this study, tungsten carbide (WC) was incorporated with AC and used in the hydrothermal treatment process. WC plays an important role on enhancing the electrochemical and electrosorption activity of WC and overcoming the aforementioned issues. A single-batch mode CDI cell was used to test the desalination performance. In comparison to pristine AC (118.3 Fg(-1)) and WC (11.4 Fg(-1)), the addition of 10% WC to AC resulted in a high specific capacitance (1471 Fg(-1)) at 5 mVs(-1). As a result, in CDI technology, this material is regarded as a promising candidate for water desalination.
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