On Direct and Indirect Methanol Fuel Cells for Transportation Applications
Open Access
- 1 January 1995
- journal article
- Published by The Electrochemical Society in ECS Proceedings Volumes
- Vol. 1995-23 (1) , 252-260
- https://doi.org/10.1149/199523.0252pv
Abstract
Recently, we and others have achieved power densities in polymer electrolyte Direct Methanol Fuel Cells (DMFCs), which are only three times lower than those achieved with similar reformate/air fuel cells (RAFC). Comparisons of power densities, energy conversion efficiencies and projected costs reveal similar values for the DMFC and the methanol reformer + RAFC stack. We conclude that the DMFC could become the preferable methanol-fueled system due to its relative simplicity. However, important remaining DMFC issues are: improved anode catalyst activity, demonstrated long-term stable performance, and high fuel efficiencies.Keywords
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