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Catalytic performance of pt/reduced graphene oxide composites to methanol electrochemical oxidation: Optimization of mass-specific activity
Xue; Qiong; Li; Jing; Huang; Pei-Pei; Liu; Xing-Rui; Yang; Zhi-Yong; Wang; Dong; Song; Wei-Guo; Yan; Dong-Wei; Gu; Zhan-Jun; Gu ZJ(谷战军)
2015
发表期刊JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
卷号15期号:9页码:6628-6635
文章类型Article
摘要Series of catalysts made of Pt nanoparticles supported on reduced graphene oxides (Pt/RGO) were synthesized and tested in methanol oxidation reaction, aiming for optimizing the mass-specific activity of prepared Pt/RGO composites. The loading amount of Pt is controlled through setting different reaction time and determined precisely by atomic absorption spectrophotometer. The structure of Pt/RGO composites is characterized by X-ray diffraction, transmission electron microscopy and Raman spectroscopy. The electrochemical testing data reveal that the Pt/RGO-mass-specific activity, judged by current density and long-term stability, is maximized in the sample in which cooperation of the Pt loading amount and electrochemical active surface area (ECSA) per amount of Pt is best optimized. The performance of the catalyst with smallest Pt particles or highest Pt loading amount is dragged down by either too less Pt loading or poor ECSA per amount of Pt. The results in this research demonstrate that the mass-normalized activity of whole catalyst, which is associated with the anticipated power output per amount of catalyst, could be enhanced significantly by deliberate tuning of fabrication process.
关键词Pt Catalyst Methanol Oxidation Graphene Fuel Cell
学科领域Chemistry; Science & Technology - Other Topics; Materials Science; Physics
DOI10.1166/jnn.2015.10784
收录类别SCI ; EI
WOS类目Chemistry, Multidisciplinary ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS记录号WOS:000365554400039
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228892
专题多学科研究中心
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Xue,Qiong,Li,et al. Catalytic performance of pt/reduced graphene oxide composites to methanol electrochemical oxidation: Optimization of mass-specific activity[J]. JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY,2015,15(9):6628-6635.
APA Xue.,Qiong.,Li.,Jing.,Huang.,...&谷战军.(2015).Catalytic performance of pt/reduced graphene oxide composites to methanol electrochemical oxidation: Optimization of mass-specific activity.JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY,15(9),6628-6635.
MLA Xue,et al."Catalytic performance of pt/reduced graphene oxide composites to methanol electrochemical oxidation: Optimization of mass-specific activity".JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY 15.9(2015):6628-6635.
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