Lookup NU author(s): Professor Wen-Feng Lin,
Professor Paul Christensen
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A novel tubular cell structure for a direct methanol fuel cell (DMFC) is proposed based on a tubular Ti mesh and a Ti mesh anode. A dip coating method has been developed to fabricate the cell. The characterization of the tubular MEA has been analyzed by scanning electron microscopy (SEM), energy dispersive X-ray (EDX), half cell and single cell testing. The tubular DMFC single cell comprises: a Ti mesh, a cathode diffusion layer and catalyst layer, a Nafion recast membrane and a PtRuOx/Ti anode. Half cell tests show that the optimum catalyst loading, Ru/(Ru + Pt) atomic ratio and the Nafion loading of a PtRuOx/Ti mesh anode are: 4 mg cm-2, 38% and 0.6 mg cm-2, respectively. Single cell tests show that the Nafion loading of the recast Nafion membrane and the concentration of the methanol in the electrolyte have a major influence on cell performance. © 2006 Elsevier B.V. All rights reserved.
Author(s): Shao Z-G, Lin W-F, Zhu F, Christensen PA, Zhang H, Yi B
Publication type: Article
Publication status: Published
Journal: Journal of Power Sources
ISSN (print): 0378-7753
ISSN (electronic): 1873-2755
Publisher: Elsevier SA
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