Preparation and characterization of DMFC electrodes and MEAS

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DOIResolve DOI: http://doi.org/10.1149/1.3242365
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TypeArticle
Journal titleECS Transactions
Volume19
Issue17
Pages1727; # of pages: 10
AbstractA stencil method, that utilizes a dried powder made of the catalyst and the Nafion ionomer phase, is used to make catalyst layers and membrane electrode assemblies (MEAs). The influence of different hot-pressing conditions on the DMFC performance and various properties of the MEAs, in particularly on the properties of the anode, are investigated and compared to MEAs made by the conventional spray method. The highest DMFC performance is achieved using MEAs made by stenciling. It is also found that the membrane resistance (Rm), the resistance to proton transport within the catalyst layer (Rp) and the charge transfer resistance (Rct) towards the CH3OH oxidation reaction are lower for stenciled vs. sprayed anodes.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); NRC Institute for Chemical Process and Environmental Technology
Peer reviewedNo
NRC number52055
NPARC number16054740
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Record identifier13e72ec4-9997-46ec-ac23-14f768e26c80
Record created2010-09-21
Record modified2016-05-09
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