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The design and usage of a visual direct methanol fuel cell
KTH, Superseded Departments, Chemical Engineering and Technology.
KTH, Superseded Departments, Mechanics.
KTH, Superseded Departments, Mechanics.ORCID iD: 0000-0002-8318-1251
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2004 (English)In: Journal of Applied Electrochemistry, ISSN 0021-891X, E-ISSN 1572-8838, Vol. 34, no 8, 763-770 p.Article in journal (Refereed) Published
Abstract [en]

In order to better understand the influence of gas evolution on the performance of the direct methanol fuel cell ( DMFC) anode, a visual DMFC, comprising of a transparent anode and a cathode endplate with an integrated heat exchanger, and a picture analysis methodology were developed. The result was an inexpensive, but very powerful, tool for analyzing the role of two-phase flow. An important finding is that gas bubbles do not appear uniformly throughout the fluid flow matrix, but rather only at a few active sites. Another important finding is that the gas saturation ( volume fraction of gas/volume fraction of liquid) increases along the streamwise direction.

Place, publisher, year, edition, pages
2004. Vol. 34, no 8, 763-770 p.
Keyword [en]
direct methanol fuel cell anode, gas evolution, porous medium, two-phase flow, visualization, gas evolution, anode, performance, model, dmfc
National Category
Electrical Engineering, Electronic Engineering, Information Engineering Chemical Sciences
URN: urn:nbn:se:kth:diva-23595DOI: 10.1023/B:JACH.0000035602.70278.0eISI: 000222816400001ScopusID: 2-s2.0-3242759850OAI: diva2:342294
QC 20100525 QC 20110926Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2011-09-26Bibliographically approved

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Nordlund, JoakimBirgersson, ErikVynnycky, MichaelLindbergh, Göran
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