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    题名: Highly robust and efficient Ti-based Sb-SnO2 anode with a mixed carbon and nitrogen interlayer for electrochemical 1,4-dioxane removal from water
    作者: Mameda, Naresh;Park, Hyeona;Shah, Syed Salman Ali;Lee, Kibaek;Li, Chi-Wang;Naddeo, Vincenzo;Choo, Kwang-Ho
    关键词: Sb-SnO2;Electrode stability;Interlayer;Service life;1,4-Dioxane
    日期: 2020-08
    上传时间: 2020-06-01 12:14:48 (UTC+8)
    摘要: Ti-based Sb-SnO2 electrodes are attractive due to their excellent catalytic activity but have a short service life. Here, we report a highly stable and efficient Ti/TiONC/Sb-SnO2 electrode, which was fabricated through hydrothermal reactions using urea to form TiONC interlayers and electrodeposition-annealing to coat the active Sb-SnO2 catalysts. The triple-layered anode was characterized by highly crystalline structures, high oxygen evolution potentials, and corrosion-resistance properties. The structural arrangement yielded better electrocatalytic performances than that using the control electrode (Ti/Sb-SnO2), showing enhanced organics degradation efficiencies. This new electrode’s lifetime was significantly (~25 times) longer than that of either the control or any Sb-SnO2 electrode modified with non-precious materials reported in the literature. The electrode’s enhanced stability was attributed to the insertion of the mixed C and N interlayers that are resistant to oxidants and corrosive ions. The Ti/TiONC/Sb-SnO2 anode holds promise for use in electrochemical water treatment.
    關聯: Chemical Engineering Journal 393, 124794
    DOI: 10.1016/j.cej.2020.124794
    显示于类别:[水資源及環境工程學系暨研究所] 期刊論文

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