Journal
ELECTROCHIMICA ACTA
Volume 48, Issue 3, Pages 247-254Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0013-4686(02)00621-7
Keywords
polymer electrolyte fuel cell; membrane/electrode interface; Nafion (R)-coating; hot-pressing; X-ray photoelectron spectroscopy
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Recent progress is reported in preparing membrane/electrode assemblies for polymer electrolyte fuel cells based on radiation-grafted FEP-g-poly(styrenesulfonic acid) membranes. MEAs with an improved interface between the membrane and commercially available gas diffusion electrodes were obtained by Nafion((R))-coating of the membrane and hot-pressing. These improved MEAs showed both, performance data comparable to those of MEAs based on Nafion((R)) 112 and an operation lifetime in H-2/O-2 fuel cells of more than 2000 h at 60 degreesC and 500 mA cm(-2) current density. (C) 2002 Elsevier Science Ltd. All rights reserved.
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