ELECTROSORPTION OF SALT IONS USING TITANIUM DIOXIDE-DECORATED rGO AS A PROMISING ELECTRODE CANDIDATE | ||||
| Journal of Advanced Engineering Trends | ||||
| Article 5, Volume 39, Issue 2, July 2020, Page 89-97 PDF (652.05 K) | ||||
| DOI: 10.21608/jaet.2020.76762 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| Mamdouh M. Nassara1; Mohamed S. Mahmoud2; M. Obaid3; Hager M. Moustafa* 1 | ||||
| 1Chemical Engineering Department, Faculty of Engineering, Minia University, Minia, 61111, Egypt | ||||
| 2Department of engineering, Collage of Applied Sciences, Suhar, 311, Oman | ||||
| 3Global Desalination Research Center (GDRC), School of Earth Sciences and Environmental Engineering,, Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, South Korea | ||||
| Abstract | ||||
| Transition metal oxide (TMO) nanoparticles are particularly important in capacitive deionization desalination due to their wide areas of application. The performance of rGO decorated with TiO2 nanoparticles has been investigated. Hammer method synthesizes the electrodes, followed by a hydrothermal treatment. The morphological properties of the rGO and rGO-15TiO2 were characterized by FE-SEM and TEM measurements. The TEM images indicated the random distribution of titanium oxides in the rGO layer, while SEM images showed that the TiO2 homogeneously covered and distributed on rGO sheets for rGO-15TiO2. The performance of the prepared nanocomposite electrode's electrochemical conduct was assessed by cyclic voltammetry (CV) ex-situ. In the three-electrode system, was observed from -0.6 to 0.6 V in 1 M aqueous NaCl. The results illustrated that rGO-15(TiO2) electrode showed the best performance in the CDI, achieving the highest specific capacitance of 473.9/g at 25mV/sec. The results indicating that rGO-15TiO2 is a novel electrode material for CDI. | ||||
| Keywords | ||||
| Graphene; Titanium oxide; Nanocomposite; Electrosorption | ||||
| References | ||||
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