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Highly stable ternary tin-palladium-platinum catalysts supported on hydrogenated TiO2 nanotube arrays for fuel cells
Zhang, Changkun1,2; Yu, Hongmei1; Li, Yongkun1,2; Fu, Li1,2; Gao, Yuan1,2; Song, Wei1; Shao, Zhigang1; Yi, Baolian1
刊名NANOSCALE
2013
DOI10.1039/c3nr01086d
5期:15页:6834-6841
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Multidisciplinary ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
研究领域[WOS]Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
关键词[WOS]OXYGEN REDUCTION REACTION ; ELECTROCATALYSTS ; NANOWIRES ; EFFICIENT
英文摘要Herein the Pt nanocrystals were synthesized by a high-pressure methanol reduction method onto the hydrogenated TiO2 nanotube arrays pre-treated by Sn/Pd. Then Sn/Pd/Pt ternary catalysts were fabricated by hydrogen treatment. The composite catalysts with a diameter of about 18 nm were located uniformly at the inner nanotubes. The novel catalyst combined with hydrogenated TiO2 nanotube arrays exhibits excellent electro-catalytic activity and high durability. The electrochemical performance of the catalysts after 18 000 potential cycles between 0 and 1.2 V vs. RHE could reach the maximum, and the electrochemical surface area of the catalyst at 18 000 cycles is about 136 m(2) g(Pt+Pd)(-1), which is 1.3 folds than the commercial JM Pt/C (104 m(2) g(Pt)(-1)). Furthermore, there is little decrease in the electrochemical surface area for the catalyst after additional 7300 potential cycles (total 24 300 cycles). In a full cell testing, the fabricated novel electrode with extra-low Pt loading (0.043 mg cm(-2)) generated power as 1.21 kW g(Pt)(-1) when it is used as the cathode in a fuel cell.
语种英语
WOS记录号WOS:000321675600026
引用统计
被引频次:24[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/321008/137936
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Fuel Cell Syst & Engn Lab, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
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GB/T 7714
Zhang, Changkun,Yu, Hongmei,Li, Yongkun,et al. Highly stable ternary tin-palladium-platinum catalysts supported on hydrogenated TiO2 nanotube arrays for fuel cells[J]. NANOSCALE,2013,5(15):6834-6841.
APA Zhang, Changkun.,Yu, Hongmei.,Li, Yongkun.,Fu, Li.,Gao, Yuan.,...&Yi, Baolian.(2013).Highly stable ternary tin-palladium-platinum catalysts supported on hydrogenated TiO2 nanotube arrays for fuel cells.NANOSCALE,5(15),6834-6841.
MLA Zhang, Changkun,et al."Highly stable ternary tin-palladium-platinum catalysts supported on hydrogenated TiO2 nanotube arrays for fuel cells".NANOSCALE 5.15(2013):6834-6841.
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