Effect of Nafion (R) gradient in dual catalyst layer on proton exchange membrane fuel cell performance

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The role of Nafion (R) binder in the electrodes was evaluated by changing its content for the membrane electrode assembly (MEA) fabrication. In the study, we prepared MEAs that have two different compositions of catalyst layers in electrodes. One layer which is close to the electrolyte membrane has the higher Nafion (R) content. The other which is near the gas diffusion media (GDM) has the lower one. Also, we changed the thickness of two layers to find the ideal composition of the binder and Pt/C in the electrode. The dual catalyst layer coated MEA showed higher cell performance at high current density region than the pristine MEA.
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Issue Date
2008-06
Language
English
Article Type
Article
Keywords

LOADING ELECTRODES; PLATINUM; CATHODE; PEMFC

Citation

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, v.33, no.11, pp.2783 - 2789

ISSN
0360-3199
DOI
10.1016/j.ijhydene.2008.03.015
URI
http://hdl.handle.net/10203/192896
Appears in Collection
MS-Journal Papers(저널논문)
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