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Effect of Nation (R) ionomer aggregation on the structure of the cathode catalyst layer of a DMFC
Wang, Suli; Sun, Gongquan; Wu, Zhimou; Xin, Qin
关键词Direct Methanol Fuel Cell Nation (r) Solution Aggregation Behavior Membrane Electrode Assembly
刊名JOURNAL OF POWER SOURCES
2007-02-25
DOI10.1016/j.jpowsour.2006.11.067
165期:1页:128-133
收录类别SCI
文章类型Article
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]ELECTROLYTE FUEL-CELLS ; PLATINUM-LOADING ELECTRODES ; NAFION MEMBRANES ; PERFORMANCE ; METHANOL ; TECHNOLOGY
英文摘要The effect of Nafion((R)) ionomer aggregation in solution on the structure of the cathode catalyst layer of a direct methanol fuel cell (DMFQ was investigated by dynamic light scattering (DLS), laser particle sizer, electron probe microanalysis (EPMA) and scanning electron microscopy (SEM). The results showed that large aggregation particles were suppressed by the addition of NaOH to aqueous solutions of Nafion((R)), which led to a smaller agglomerate particle size distribution in the catalyst ink. The cathode catalyst layer made from the catalyst ink with NaOH addition showed a more uniform distribution of sulfur and Pt elements, a higher electrochemical active surface area (48% increase) and achieved a better performance in the DMFC than one made from the catalyst ink without NaOH addition. (c) 2006 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000245093800020
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被引频次:36[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/321008/140504
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, Direct Alcohol Fuel Cell Lab, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
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Wang, Suli,Sun, Gongquan,Wu, Zhimou,et al. Effect of Nation (R) ionomer aggregation on the structure of the cathode catalyst layer of a DMFC[J]. JOURNAL OF POWER SOURCES,2007,165(1):128-133.
APA Wang, Suli,Sun, Gongquan,Wu, Zhimou,&Xin, Qin.(2007).Effect of Nation (R) ionomer aggregation on the structure of the cathode catalyst layer of a DMFC.JOURNAL OF POWER SOURCES,165(1),128-133.
MLA Wang, Suli,et al."Effect of Nation (R) ionomer aggregation on the structure of the cathode catalyst layer of a DMFC".JOURNAL OF POWER SOURCES 165.1(2007):128-133.
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