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VGU RESEARCH REPOSITORY


Please use this identifier to cite or link to this item: https://epub.vgu.edu.vn/handle/dlibvgu/35
Title: Development of templated RuO 2 nanorod and nanosheet electrodes to improve the electrocatalytic activities for chlorine evolution
Authors: Tran Le Luu 
Choon soo Kim
Jeyong Yoon (First author)
Keywords: Hlorine evolution;Electro-catalyst;Nanorod;Nanosheet;RuO2
Issue Date: 2017
Publisher: KSWW
Series/Report no.: Journal of Korean Society of Water and Wastewater;Vol. 31(5)
Abstract: 
RuO2 is a common active component of Dimensionally Stable Anodes (DSAs) for chlorine evolution that can be used in wastewater treatment systems. The recent improvement of chlorine evolution using nanostructures of RuO2 electrodes to increase the treatment efficiency and reduce the energy consumption of this process has received much attention. In this study, RuO2 nanorod and nanosheet electrodes were simply fabricated using the sol-gel method with organic surfactants as the templates. The obtained RuO2 nanorod and nanosheet electrodes exhibit enhanced electrocatalytic activities for chlorine evolution possibly due to the active surface areas, especially the outer active surface areas, which are attributed to the increase in mass transfers compared with a conventional nanograin electrode. The electrocatalytic activities for chlorine evolution were increased up to 20 % in the case of the nanorod electrode and 35% in the case of the nanosheet electrode compared with the nanograin electrode. The RuO2 nanorod 80 nm in length and 20-30 nm in width and the RuO2 nanosheet 40-60 nm in length and 40 nm in width are formed on the surface of Ti substrates. These results support that the templated RuO2 nanorod and nanosheet electrodes are promising anode materials for chlorine evolution in future applications.
URI(1): http://epub.vgu.edu.vn/handle/dlibvgu/35
DOI: https://doi.org/10.11001/jksww.2017.31.5.373
Appears in Collections:ARTICLE/BOOK PUBLICATION

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