Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/94563
Title: Anti-flooding cathode catalyst layer for high performance PEM fuel cell
Authors: Li, Aidan
Chan, Siew Hwa
Nguyen, Nam-Trung
Keywords: DRNTU::Engineering::Mechanical engineering
Issue Date: 2009
Source: 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.
Series/Report no.: Electrochemistry communications
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
URI: https://hdl.handle.net/10356/94563
http://hdl.handle.net/10220/7754
DOI: 10.1016/j.elecom.2009.02.022
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].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MAE Journal Articles

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