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A quantitative study of the effect of flow-distributor geometry in the cathode of a PEM fuel cell
KTH, School of Engineering Sciences (SCI), Mechanics. KTH, School of Engineering Sciences (SCI), Centres, Faxén Laboratory.
KTH, School of Engineering Sciences (SCI), Mechanics. KTH, School of Engineering Sciences (SCI), Centres, Faxén Laboratory.ORCID iD: 0000-0002-8318-1251
2006 (English)In: Journal of Power Sources, ISSN 0378-7753, E-ISSN 1873-2755, Vol. 153, no 1, 76-88 p.Article in journal (Refereed) Published
Abstract [en]

An isothermal three-dimensional model describing mass, momentum and species transfer in the cathode of a proton exchange membrane fuel cell has been used to study four different flow-distributors: interdigitated, coflow and counterflow channels, and a foam. A quantitative comparison of the results shows; that the interdigitated channels can sustain the highest current densities, followed in descending order by the foam, the counterflow and the coflow channels. The foam yields the most uniform current density distribution at higher currents, but care should be taken as to its permeability to avoid unreasonably high-pressure drops.

Place, publisher, year, edition, pages
2006. Vol. 153, no 1, 76-88 p.
Keyword [en]
proton exchange membrane fuel cell, flow fields, current distribution
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-37341DOI: 10.1016/j.jpowsour.2005.03.211ISI: 000234962600010Scopus ID: 2-s2.0-30144444710OAI: oai:DiVA.org:kth-37341DiVA: diva2:433321
Available from: 2011-08-09 Created: 2011-08-09 Last updated: 2017-12-08Bibliographically approved

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Vynnycky, Michael

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