A tubular direct methanol fuel cell with Ti mesh anode

Z.-G. Shao, H. Zhang, B. Yi, W.-F. Lin, F. Zhu, P.A. Christensen

Research output: Contribution to journalArticlepeer-review

39 Citations (Scopus)

Abstract

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 PtRuO/Ti anode. Half cell tests show that the optimum catalyst loading, Ru/(Ru + Pt) atomic ratio and the Nafion loading of a PtRuO/Ti mesh anode are: 4 mg cm, 38% and 0.6 mg cm, 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.
Original languageEnglish
Pages (from-to)1003-1008
Number of pages6
JournalJournal of Power Sources
Volume160
Issue number2 SPEC. ISS.
DOIs
Publication statusPublished - 06 Oct 2006

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