Journal
MATERIALS LETTERS
Volume 213, Issue -, Pages 62-66Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2017.11.001
Keywords
Nanofibers; Capacitive deionization; Water desalination; Activated carbon
Funding
- Materials and Components Technology Development Program of MOTIE/KEIT, Republic of Korea [10076464]
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Well-dispersed TiO2/ZrO2 nanofibers-doped activated carbon (AC/TiZr) were successfully synthesized as an electrode for the capacitive deionization (CDI) technique via electrospinning that was followed by a hydrothermal treatment. SEM, TEM, XRD, XPS and EDX measurements were employed to characterize the morphology, crystal structure and chemistry composition of the as-synthesized material. The electro-chemical performance of the AC/TiZr nanocomposite modified electrode was measured using systematic cyclic voltammetry (CV) experiments. The highest specific capacitance for the AC/TiZr-based electrode is 251.3 Fg/g, which is higher than those of the AC (207.4 Fg/g) and TiO2/ZrO2 NFs (0.4 Fg/g)-based electrodes, and the interior resistance was also reduced. A desalination performance enhancement was obtained in the case of the AC/TiZr and the electrosorptive is 2.96 mg g(-1). The implementation of the AC/TiZr nanocomposite provided a high potential for improving the efficiency of CDI. (C) 2017 Elsevier B.V. All rights reserved.
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