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Comparative study of methanol adsorption and electro-oxidation on carbon-supported platinum in acidic and alkaline electrolytes
Jing, Mingyi1,2; Jiang, Luhua1; Yi, Baolian1; Sun, Gongquan1
关键词Acid Electrolyte Alkaline Electrolyte Methanol Electro-oxidation Reaction Kinetics Adsorption Carbon-supported Platinum
刊名JOURNAL OF ELECTROANALYTICAL CHEMISTRY
2013
DOI10.1016/j.jelechem.2012.10.028
688页:172-179
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]ELECTROCHEMICAL MASS-SPECTROMETRY ; FUEL-CELL ; POLYMER-ELECTROLYTE ; OXYGEN REDUCTION ; PT-RU ; OXIDATION ; CATALYSTS ; SURFACE ; DEPENDENCE ; MECHANISM
英文摘要Methanol electro-oxidation reaction over carbon-supported platinum nanoparticles, including methanol adsorption, apparent reaction order and activation energy, in acidic and alkaline media was investigated comparatively. The results show that the rate constant for methanol adsorption in 1 M NaOH is significantly higher than that in 0.5 M H2SO4 at the relatively low potential and the COad removal in alkaline media is easier, due to the availability of oxygen-containing species, than in acidic media at the same potential. The apparent activation energy for the MOR in alkaline media is 25.3-14.6 kJ mol(-1), significantly lower than that in acidic media (34.9-28.5 kJ mol(-1)). The better MOR activity of Pt/C in alkaline media is attributed to the faster methanol adsorption and the availability of oxygen-containing species. Crown Copyright (c) 2012 Published by Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000317158800028
引用统计
被引频次:27[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/321008/137865
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, Dalian Natl Lab Clean Energy, Fuel Cell & Battery Div, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
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GB/T 7714
Jing, Mingyi,Jiang, Luhua,Yi, Baolian,et al. Comparative study of methanol adsorption and electro-oxidation on carbon-supported platinum in acidic and alkaline electrolytes[J]. JOURNAL OF ELECTROANALYTICAL CHEMISTRY,2013,688:172-179.
APA Jing, Mingyi,Jiang, Luhua,Yi, Baolian,&Sun, Gongquan.(2013).Comparative study of methanol adsorption and electro-oxidation on carbon-supported platinum in acidic and alkaline electrolytes.JOURNAL OF ELECTROANALYTICAL CHEMISTRY,688,172-179.
MLA Jing, Mingyi,et al."Comparative study of methanol adsorption and electro-oxidation on carbon-supported platinum in acidic and alkaline electrolytes".JOURNAL OF ELECTROANALYTICAL CHEMISTRY 688(2013):172-179.
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