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Simple synthesis of Pt/TiO2 nanotube arrays with high activity and stability
Zhang, Changkun1,2; Yu, Hongmei1; Li, Yongkun1,2; Fu, Li1,2; Gao, Yuan1,2; Song, Wei1; Shao, Zhigang1; Yi, Baolian1
关键词Tio2 Nanotube Arrays Pt Fuel Cells Durability Hydrogen Reduction
刊名JOURNAL OF ELECTROANALYTICAL CHEMISTRY
2013-07-15
DOI10.1016/j.jelechem.2013.04.012
701页:14-19
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Analytical ; Electrochemistry
研究领域[WOS]Chemistry ; Electrochemistry
关键词[WOS]MEMBRANE FUEL-CELLS ; TIO2 NANOTUBE ; ELECTRODE-REACTIONS ; CATALYSTS ; HYDROGEN ; OXYGEN ; ELECTROCATALYSTS ; DURABILITY ; SPILLOVER ; OXIDATION
英文摘要A simple and efficient method was demonstrated for preparing the Pt/TiO2 nanotube arrays by H-2 reduction. The effects of the reduction atmospheres and temperatures on Pt catalysts preparation were investigated. The well dispersion of Pt catalysts supported onto the TiO2 nanotube array exhibited favorable electrochemical performance and excellent durability. After 2000 potential cycles between 0 and 1.2 V vs. RHE, the electrochemical surface area of 350-Pt-H-TNTs electrode (Pt catalysts reduced by high purity H2 at 350 degrees C) decreased by 26% compared with 68% for JM 20% Pt/C after 800 cycles. Meanwhile, the 450-Pt-H-TNTs electrode (Pt catalysts reduced by high purity H2 at 450 degrees C) showed no decrease in the electrochemical surface area except for a little loss in the reduction of surface oxides after 2000 potential cycles. Furthermore, the electrochemical performance of 450-Pt-H-TNTs electrode is still stable after holding at 1.6V vs. RHE for 100 h. (C) 2013 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000321540200003
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被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/137567
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Fuel Cell Syst & Engn Lab, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
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Zhang, Changkun,Yu, Hongmei,Li, Yongkun,et al. Simple synthesis of Pt/TiO2 nanotube arrays with high activity and stability[J]. JOURNAL OF ELECTROANALYTICAL CHEMISTRY,2013,701:14-19.
APA Zhang, Changkun.,Yu, Hongmei.,Li, Yongkun.,Fu, Li.,Gao, Yuan.,...&Yi, Baolian.(2013).Simple synthesis of Pt/TiO2 nanotube arrays with high activity and stability.JOURNAL OF ELECTROANALYTICAL CHEMISTRY,701,14-19.
MLA Zhang, Changkun,et al."Simple synthesis of Pt/TiO2 nanotube arrays with high activity and stability".JOURNAL OF ELECTROANALYTICAL CHEMISTRY 701(2013):14-19.
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