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Improved stability of TiO2 modified Ru85Se15/C electrocatalyst for proton exchange membrane fuel cells
Xu, Ting1,2; Zhang, Huamin1; Zhong, Hexiang1; Ma, Yuanwei1,2; Jin, Hong1,2; Zhang, Yining1; Zhang HM(张华民)
关键词Proton Exchange Membrane Fuel Cells Electrocatalyst Stability Titanium Dioxide
刊名JOURNAL OF POWER SOURCES
2010-12-15
DOI10.1016/j.jpowsour.2010.07.019
195期:24页:8075-8079
收录类别SCI
文章类型Article
部门归属3
项目归属303
产权排名1;1
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Electrochemistry ; Energy & Fuels
研究领域[WOS]Electrochemistry ; Energy & Fuels
关键词[WOS]OXYGEN REDUCTION REACTION ; CATALYST ; NANOPARTICLES
英文摘要The electrocatalytic stability of the carbon supported Ru85Se15 nanoparticles has been improved by the modification of titanium dioxide for proton exchange membrane fuel cells (PEMFCs). Transmission electron microscopy (TEM), X-ray diffraction (XRD) measurements and inductively coupled plasma-atomic emission spectroscopy (ICP-AES) are applied for characterizing Ru85Se15/C and titanium dioxide modified Ru85Se15/C (Ru85Se15/TiO2/C) electrocatalysts. Electrochemical measurements and single cell tests are conducted for the evaluation of the electrocatalysts. The results indicate that Ru85Se15/TiO2/C electrocatalyst, presenting similar initial oxygen reduction reaction (ORR) activity with Ru85Se15/C, reveals better electrochemical stability. The final potential of Ru85Se15/TiO2/C is 137 mV higher than that of Ru85Se15/C at 2 mAcm(-2) after the electrochemical durability test. Moreover, in the single cell stability test Ru85Se15/TiO2/C also shows comparable initial performance with Ru85Se15/C, but better final performance. Therefore, the Ru85Se15/C is expected to be used as an effective cathode electrocatalyst for PEMFCs by TiO2 modification on the carbon support. (C) 2010 Elsevier B.V. All rights reserved.
语种英语
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WOS记录号WOS:000282251900023
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被引频次:20[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/321008/103543
专题中国科学院大连化学物理研究所
通讯作者Zhang HM(张华民)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, PEMFC Key Mat & Technol Lab, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
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Xu, Ting,Zhang, Huamin,Zhong, Hexiang,et al. Improved stability of TiO2 modified Ru85Se15/C electrocatalyst for proton exchange membrane fuel cells[J]. JOURNAL OF POWER SOURCES,2010,195(24):8075-8079.
APA Xu, Ting.,Zhang, Huamin.,Zhong, Hexiang.,Ma, Yuanwei.,Jin, Hong.,...&张华民.(2010).Improved stability of TiO2 modified Ru85Se15/C electrocatalyst for proton exchange membrane fuel cells.JOURNAL OF POWER SOURCES,195(24),8075-8079.
MLA Xu, Ting,et al."Improved stability of TiO2 modified Ru85Se15/C electrocatalyst for proton exchange membrane fuel cells".JOURNAL OF POWER SOURCES 195.24(2010):8075-8079.
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