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A methanol concentration sensor using twin membrane electrode assemblies operated in pulsed mode for DMFC
Sun, Wei; Sun, Gongquan; Yang, Weiqian; Yang, Shaohua; Xin, Qin; Sun GQ(孙公权); Sun GQ(孙公权)
关键词Direct Methanol Fuel Cell Sensor Methanol Concentration Membrane Electrode Assembly (Mea) Pulsed Amperometric Detection
刊名JOURNAL OF POWER SOURCES
2006-11-22
DOI10.1016/j.jpowsour.2006.07.033
162期:2页:1115-1121
收录类别SCI
文章类型Article
部门归属3
项目归属305
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]POTENTIAL WAVE-FORM ; FUEL-CELL ; AMPEROMETRIC DETECTION ; ELECTROOSMOTIC DRAG ; NAFION MEMBRANES ; ELECTROOXIDATION ; NANOPARTICLES ; IMPEDANCE ; OXIDATION ; DESIGN
英文摘要A methanol concentration sensor based on twin Nation membrane electrode assemblies (MEAs) was constructed and characterized by electrochemical methods. Pulsed amperometric detection (PAD) method, using a low frequency (67 mHz) potential waveform of E(red) (cathodic activation potential)= -0.2 V, E(pre-oxd) (anodic pre-oxidation potential) = +0.60 V and E(det) (detection potential) = +0.80 V versus DHE with the same pulse width of 5 s was applied to the sensor to enhance its performance. The response in pulsed mode had better linearity over a wider concentration range than that in potentiostatic mode. Furthermore, using this PAD method, the stability of the sensor was enhanced significantly with a slightly linear degradation rate of 2.9 mA h(-1) during long-time test. The performances of the sensor in terms of linearity, low anodic saturation and high stability show its potential application for direct methanol fuel cells. (c) 2006 Elsevier B.V. All rights reserved.
语种英语
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WOS记录号WOS:000242821500056
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被引频次:13[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/321008/98299
专题中国科学院大连化学物理研究所
通讯作者Sun GQ(孙公权); Sun GQ(孙公权)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100864, Peoples R China
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GB/T 7714
Sun, Wei,Sun, Gongquan,Yang, Weiqian,et al. A methanol concentration sensor using twin membrane electrode assemblies operated in pulsed mode for DMFC[J]. JOURNAL OF POWER SOURCES,2006,162(2):1115-1121.
APA Sun, Wei.,Sun, Gongquan.,Yang, Weiqian.,Yang, Shaohua.,Xin, Qin.,...&孙公权.(2006).A methanol concentration sensor using twin membrane electrode assemblies operated in pulsed mode for DMFC.JOURNAL OF POWER SOURCES,162(2),1115-1121.
MLA Sun, Wei,et al."A methanol concentration sensor using twin membrane electrode assemblies operated in pulsed mode for DMFC".JOURNAL OF POWER SOURCES 162.2(2006):1115-1121.
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