SYNTHESIS OF MNO2/CARBON AEROGEL MATERIALS AND THEIR APPLICATION IN ELECTROCHEMICAL SUPERCAPACITORS AND CAPACITIVE DEIONIZATION (CDI) TECHNOLOGY
Main Article Content
Abstract
Capacitive deionization (CDI) technology has been increasingly grown in its application to desalinate drinking water. The electrode material possesses a structurally appropriate composition that enhances salt adsorption, commonly referred to as salt adsorption capacity (SAC). The MnO2 compound is potentially an oxide material for capacitive deionization (CDI) technology due to its exceptional electrochemical properties, cost-effectiveness, and environmentally sustainable characteristics. This study involved the synthesis of MnO2/carbon aerogel (MnO2/CA) using the sol-gel method. The shape of the material was assessed using scanning electron microscopy (SEM), while the structure of the material was characterized using X-ray diffraction (XRD) and Raman scattering spectroscopy. The MnO2/CA composite material, which has been synthesized with a high level of purity and a porous structure, exhibits enhanced charge and ion conduction properties. This characteristic leads to a reduction in system resistance, hence enabling the potential application of this material in Capacitive Deionization (CDI) technology. The study examined the salt adsorption capacity of the material under the conditions of a 200 ppm NaCl solution and a voltage of 1.4 V. The results indicate that the material achieved a maximum salt adsorption capacity of 25.4 mg/g. The findings demonstrate the potential of MnO2/CA composite materials as viable electrode materials in Capacitive Deionization (CDI) technology.
Keywords
capacitive deionization (CDI), MnO2/CA, sol-gel
Article Details
References
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