Tubular Cathode Prepared by a Dip-Coating Method for Low Temperature DMFC

A novel tubular cathode for the direct methanol fuel cell (DMFC) is proposed, based on a tubular titanium mesh. A dip‐coating method has been developed for its fabrication. The tubular cathode is composed of titanium mesh, a cathode diffusion layer, a catalyst layer, and a recast Nafion® film. The t...

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Bibliographic Details
Published in:Fuel cells (Weinheim an der Bergstrasse, Germany) Germany), 2006-10, Vol.6 (5), p.326-330
Main Authors: Shao, Z.-G., Lin, W.-F., Zhu, F., Christensen, P. A., Zhang, H.
Format: Article
Language:English
Subjects:
Dip-Coating
DMFC
Ti Mesh
Tubular Cathode
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Summary:A novel tubular cathode for the direct methanol fuel cell (DMFC) is proposed, based on a tubular titanium mesh. A dip‐coating method has been developed for its fabrication. The tubular cathode is composed of titanium mesh, a cathode diffusion layer, a catalyst layer, and a recast Nafion® film. The titanium mesh is present at the inner circumference of the diffusion layer, while the recast Nafion® film is at the outer circumference of the catalyst layer. A DMFC single cell with a 3.5 mgPt cm–2 tubular cathode was able to perform as well, in terms of power density, as a conventional planar DMFC. A peak power density of 9 mW cm–2 was reached under atmospheric air at 25 °C.
ISSN:1615-6846
1615-6854
DOI:10.1002/fuce.200500264