中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Comparative study of methanol adsorption and electro-oxidation on carbon-supported platinum in acidic and alkaline electrolytes

文献类型:期刊论文

作者Jing, Mingyi1,2; Jiang, Luhua1; Yi, Baolian1; Sun, Gongquan1
刊名journal of electroanalytical chemistry
出版日期2013
卷号688页码:172-179
关键词Acid electrolyte Alkaline electrolyte Methanol electro-oxidation reaction Kinetics Adsorption Carbon-supported platinum
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.
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
收录类别SCI
语种英语
WOS记录号WOS:000317158800028
公开日期2015-11-10
源URL[http://159.226.238.44/handle/321008/137865]  
专题大连化学物理研究所_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
推荐引用方式
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.

入库方式: OAI收割

来源:大连化学物理研究所

浏览0
下载0
收藏0
其他版本

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。