Journal
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
Volume 732, Issue -, Pages 66-73Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jelechem.2014.08.020
Keywords
Electrosorption; Electrochemical properties; Activated carbon sheet electrode; Sodium chloride; Capacitive deionization; Desalination
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Funding
- Human Resources Development program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant - Korea government Ministry of Trade, Industry and Energy [20134010200560]
- Korea Evaluation Institute of Industrial Technology (KEIT) [20134010200560] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Electrosorption is a promising method for water purification and desalination. Activated carbon sheet (ACS) electrodes with commercially viable mechanical strength, electrosorption capacity, and electro-chemical properties were fabricated, and their kinetic characteristics were determined. The ACS electrodes were obtained by coating activated carbon powder with 10 wt% polyvinylidene fluoride (PVdF) binder in a thin sheet-like formulation for the electrosorption process. The electrosorption and kinetic data were successfully described both Langmuir and potential-independent Langmuir isotherms, and pseudo-second-order model. The electrosorption efficiency of ACS electrodes prepared with 10 wt% PVdF was 91.6% at sodium chloride concentration and applied potential of 100 mg/L and 1.2 V, respectively. Thus, the performance of the ACS electrodes prepared in this study indicates that they are suitable for electrosorption applications. (C) 2014 Elsevier B.V. All rights reserved.
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