journal article·2013-11-14

Preparation and Electrochemical Properties of Ti/TiO2-MnO Nano Array Electrode for Supercapacitor

You-Guo HUANG, Feng-Hua ZHENG, Meng-De REN, Qing-Yu LI, Hong-Qiang WANG

Journal of Inorganic Materials· Volume 28· Issue 11
Publisher page

Abstract

通过阳极氧化-浸渍-退火的方式获得Ti/TiO 2 -MnO复合电极。通过XRD测定样品的晶相结构, 通过SEM观察样品的显微形貌。结果表明, Ti/TiO 2 纳米管阵列孔径分布在60~95 nm, 纳米管长度在350~820 nm。常温下阳极氧化获得的TiO 2 为无定形结构, 500℃热处理后, TiO 2 变为锐钛矿(Anatase)。样品在MnSO 4 溶液中浸渍并500℃热处理后, 只有MnO相产生。组装扣式模拟超级电容器并测试其循环伏安曲线。CV曲线存在一对氧化还原峰, 对应H + 在纳米管中的嵌入/脱出过程。H + 在纳米管中传输过程为扩散控制。TiO 2 由无定形转变为Anatase晶形和在其中沉积MnO后, CV响应电流降低。
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Research context

OpenAlex topics: Supercapacitor Materials and Fabrication · Advancements in Battery Materials · Advanced Battery Technologies Research

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