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Air-breathing membraneless laminar flow-based fuel cell with flow-through anode.

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Air-breathing membraneless laminar flow-based fuel cell with flow-through anode.

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dc.contributor.author Shaegh, Seyed Ali Mousavi.
dc.contributor.author Nguyen, Nam-Trung.
dc.contributor.author Chan, Siew Hwa.
dc.contributor.author Zhou, Weijiang.
dc.date.accessioned 2012-03-28T00:43:36Z
dc.date.available 2012-03-28T00:43:36Z
dc.date.copyright 2011
dc.date.issued 2012-03-28
dc.identifier.citation Shaegh, S. A. M., Nguyen, N. T., Chan, S. H., & Zhou, W. (2012). Air-breathing membraneless laminar flow-based fuel cell with flow-through anode. International Journal of Hydrogen Energy, 37(4), 3466-3476.
dc.identifier.uri http://hdl.handle.net/10220/7685
dc.description.abstract This paper describes a detailed characterization of laminar flow-based fuel cell (LFFC) with air-breathing cathode for performance (fuel utilization and power density). The effect of flow-over and flow-through anode architectures, as well as operating conditions such as different fuel flow rates and concentrations on the performance of LFFCs was investigated. Formic acid with concentrations of 0.5 M and 1 M in a 0.5 M sulfuric acid solution as supporting electrolyte were exploited with varying flow rates of 20, 50, 100 and 200 μl/min. Because of the improved mass transport to catalytic active sites, the flow-through anode showed improved maximum power density and fuel utilization per single pass compared to flow-over planar anode. Running on 200 μl/min of 1 M formic acid, maximum power densities of 26.5 mW/cm2 and 19.4 mW/cm2 were obtained for the cells with flow-through and flow-over anodes, respectively. In addition, chronoamperometry experiment at flow rate of 100 μl/min with fuel concentrations of 0.5 M and 1 M revealed average current densities of 34.2 mA/cm2 and 52.3 mA/cm2 with average fuel utilization of 16.3% and 21.4% respectively for flow-through design. The flow-over design had the corresponding values of 25.1 mA/cm2 and 35.5 mA/cm2 with fuel utilization of 11.1% and 15.7% for the same fuel concentrations and flow rate.
dc.format.extent 28 p.
dc.language.iso en
dc.relation.ispartofseries International journal of hydrogen energy
dc.rights © 2011 Hydrogen Energy Publications, LLC. This is the author created version of a work that has been peer reviewed and accepted for publication in International Journal of Hydrogen Energy, published by Elsevier on behalf of Hydrogen Energy Publications, LLC.  It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document.  The published version is available at: [DOI: http://dx.doi.org/10.1016/j.ijhydene.2011.11.051].
dc.subject DRNTU::Engineering::Mechanical engineering::Power resources.
dc.title Air-breathing membraneless laminar flow-based fuel cell with flow-through anode.
dc.type Journal Article
dc.contributor.school School of Mechanical and Aerospace Engineering
dc.identifier.doi http://dx.doi.org/10.1016/j.ijhydene.2011.11.051
dc.description.version Accepted version
dc.identifier.rims 163852

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