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  Direct methanol polymer electrolyte fuel cell : analysis of charge and mass transfer in the vapour-liquid-solid system

Sundmacher, K., & Scott, K. (1999). Direct methanol polymer electrolyte fuel cell: analysis of charge and mass transfer in the vapour-liquid-solid system. Chemical Engineering Science, 54, 2927-2936. doi:10.1016/S0009-2509(98)00344-3.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-A2C9-2 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0019-7B80-4
Genre: Journal Article

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 Creators:
Sundmacher, K.1, 2, Author              
Scott, K., Author
Affiliations:
1Process Systems Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society, ou_1738151              
2Otto-von-Guericke-Universität Magdeburg, External Organizations, ou_1738156              

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 Abstract: Liquid-feed direct methanol fuel cell systems (DMFC) have a number of advantages over hydrogen fuel cells. For a DMFC no additional fuel processing is necessary, it has a lower volume and a lower weight, the existing infrastructure for fuel supply and distribution can be utilized and the fuel costs are low. However, a number of technical problems have still to be solved. The most important are the cross-over of methanol through the polymer electrolyte membrane, the removal of carbon dioxide from the anode catalyst layer, and the poor anode kinetics. These aspects are analysed by means of a steady state, isothermal cell model which accounts for the essential mass and charge transport processes in the different fuel cell layers. The model is applied to evaluate experimental current-voltage data which were obtained from a small scale cell fuelled with liquid mehtanol/water solutions.

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Language(s): eng - English
 Dates: 1999
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: eDoc: 193322
Other: 51
DOI: 10.1016/S0009-2509(98)00344-3
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Title: Chemical Engineering Science
Source Genre: Journal
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Pages: - Volume / Issue: 54 Sequence Number: - Start / End Page: 2927 - 2936 Identifier: -