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Anti-flooding cathode catalyst layer for high performance PEM fuel cell

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Anti-flooding cathode catalyst layer for high performance PEM fuel cell

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dc.contributor.author Li, Aidan
dc.contributor.author Chan, Siew Hwa
dc.contributor.author Nguyen, Nam-Trung
dc.date.accessioned 2012-04-12T06:16:35Z
dc.date.available 2012-04-12T06:16:35Z
dc.date.copyright 2009
dc.date.issued 2012-04-12
dc.identifier.citation Li, A., Chan, S. H., & Nguyen, N. T. (2009). Anti-flooding cathode catalyst layer for high performance PEM fuel cell. Electrochemistry Communications, 11(4), 897–900.
dc.identifier.uri http://hdl.handle.net/10220/7754
dc.description.abstract Water management in cathode catalyst layer (CCL) plays an important role in the PEM fuel cell operation. A novel anti-flooding CCL is developed with the addition of oxygen permeable and hydrophobic dimethyl silicone oil (DSO) into the catalyst layer (CL) to improve the water balance and oxygen transport within the cathode. With the addition of 0.5 mg/cm2 DSO in the CCL, the ability of water management has been enhanced greatly compared to that with a normal cathode. Electrochemical impedance spectroscopy has been employed to characterize the electrochemical behavior of the single fuel cell. The results show that the increased hydrophobicity of the CCL by DSO modification effectively expels water out of the voids of CCL. In addition, DSO in the CCL enhances oxygen accessibility to the CCL, thus improving the performance of the PEM fuel cell significantly
dc.format.extent 13 p.
dc.language.iso en
dc.relation.ispartofseries Electrochemistry communications
dc.rights © 2009 Elsevier. This is the author created version of a work that has been peer reviewed and accepted for publication by Electrochemistry Communications, Elsevier. 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.ezlibproxy1.ntu.edu.sg/10.1016/j.elecom.2009.02.022].
dc.subject DRNTU::Engineering::Mechanical engineering
dc.title Anti-flooding cathode catalyst layer for high performance PEM fuel cell
dc.type Journal Article
dc.contributor.school School of Mechanical and Aerospace Engineering
dc.identifier.doi http://dx.doi.org.ezlibproxy1.ntu.edu.sg/10.1016/j.elecom.2009.02.022
dc.description.version Accepted version

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