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The effect of ultrathin vanadium pentoxide coated carbon material in capacitive deionization (CDI)
정상호,이재영,전해송,이재광 한국공업화학회 2015 한국공업화학회 연구논문 초록집 Vol.2015 No.1
Capacitive deionization (CDI) has attracted attention as low energy consumption and environmental friendly desalination technique, because it can be conducted at low voltages without secondary waste. In this work, we have synthesized carbon with ultrathin metal oxide layer by atomic layer deposition (ALD) technique and applied to CDI electrodes. It was identified from TEM, XRD, BET and XPS that the carbon was coated successfully by means of ALD method. In conclusion, carbon electrodes which was coated by ultrathin metal oxide with high dielectric and hydrophilic properties maintaining its high surface area shows potential for CDI electrode material more effective than previous carbon electrode in CDI system.
정상호,이재영,전해송,이재광 한국공업화학회 2015 한국공업화학회 연구논문 초록집 Vol.2015 No.1
The advantages of Capacitive deionization (CDI) include lower energy consumption without secondary pollution, compared with conventional desalination technologies. It’s performance of CDI is largely dependent on the properties of the electrode materials, such as pore structures and high electrical conductivity. In general, the shape of pore has effect on the capacitance and mass transfer. Therefore, it is important to control the pore size distribution to the performance of CDI system. In this study, we make the carbon electrodes depending on the pore size distribution and find optimum pore size distribution. In conclusion, optimum pore size distribution more effective than previous carbon electrode in CDI system.