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Improvement of High Temperature Polymer Electrolyte Fuel Cell Performance with Phosphoric Acid-Doped Polybenzimidazole Ionomer Binder in Catalyst Layer

DC Field Value Language
dc.contributor.authorKim, Jeong-Hi-
dc.contributor.authorKim, Hyoung-Juhn-
dc.contributor.authorLim, Tae-Hoon-
dc.contributor.authorLee, Ho-In-
dc.date.accessioned2010-03-17T05:05:52Z-
dc.date.available2010-03-17T05:05:52Z-
dc.date.issued2007-
dc.identifier.citationJ. Ind. Eng. Chem., 13, 850-855en
dc.identifier.issn1226-086X-
dc.identifier.urihttps://hdl.handle.net/10371/61322-
dc.identifier.urihttp://www.cheric.org/PDF/JIEC/IE13/IE13-5-0850.pdf-
dc.description.abstractPt/C catalyst layers with a phosphoric acid-doped polybenzimidazole ionomer binder were used as
the electrode for a high temperature polymer electrolyte fuel cell. Catalyst layers were prepared with a transparent
ionomer solution in trifluoroacetic acid solvent, an opaque ionomer dispersion in a trifluoroacetic
acid/propanol-based solvent, and a mixture of the above two substances. The nano-sized ionomers in the transparent
ionomer solution were located inside the primary pores, while the micro-sized ionomer agglomerates in
the opaque ionomer dispersion were located outside the primary pores and produced proper proton conduction
connections without blocking the primary pore openings. The optimum cell performance was obtained with an
appropriate mixture of the transparent ionomer solution and opaque ionomer dispersion.
en
dc.description.sponsorshipthe Fuel Cell
Research Center of Korea Institute of Science and
Technology and by the ERC Program of MOST/KOSEF
(Grant No. R11-2002-102-00000-0)
en
dc.language.isoenen
dc.publisherThe Korean Society of Industrial and Engineeringen
dc.subjecthigh temperature polymer electrolyte fuel cellen
dc.subjectionomer binderen
dc.subjectmembrane electrode assemblyen
dc.subjectphosphoric acid-doped polybenzimidazoleen
dc.titleImprovement of High Temperature Polymer Electrolyte Fuel Cell Performance with Phosphoric Acid-Doped Polybenzimidazole Ionomer Binder in Catalyst Layeren
dc.typeArticleen
dc.contributor.AlternativeAuthor김정희-
dc.contributor.AlternativeAuthor김형준-
dc.contributor.AlternativeAuthor임태훈-
dc.contributor.AlternativeAuthor이호인-
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