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Fabrication of carbon nanotubeFlow-through electrodes for capacitive deionization process. Iranian Journal of Ceramic Science & Engineering 2015; 4 (2)
URL: http://ijcse.ir/article-1-339-en.html
Abstract:   (5467 Views)

Carbon Nanotube 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 carbon nanotube optimized for salt storage capacity and ion and electron transport. Carbon nanotube electrodes produced by pressing of dry powder by specific surface aria of 241/4 m2/g was used as flow-through electrode in designed CDI cell. The Capacitance was measured in electrolyteconcentration of NaCl 50mM and applied voltage of 1.5 volt. Specific capacitance of CNT, CDI efficiency, charge efficiency was measured respectively 9/73F/g, 2/5 mg/g and 0.26 mg/c. by cyclic voltammetry and electrochemical impedance, the specific capacitance and series and parallel resistance was measured respectively 12F/g, 71/11𝝮 and 233/9𝝮

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Type of Study: Research | Subject: Bioceramics
Received: 2015/11/22 | Accepted: 2015/11/22

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