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A quasi-direct methanol fuel cell system based on blend polymer membrane electrolytes

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Authors:
  • Li, Qingfeng ;
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    Orcid logo0000-0002-5460-055X
    Department of Chemistry, Technical University of Denmark
  • Hjuler, Hans Aage ;
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    Department of Chemistry, Technical University of Denmark
  • Hasiotis, C. ;
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    Institute of Chemical Engineering and High Temperature Chemical Processes
  • Kalletsis, J.K. ;
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    Institute of Chemical Engineering and High Temperature Chemical Processes
  • Kontoyannis, C.G. ;
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    Institute of Chemical Engineering and High Temperature Chemical Processes
  • Bjerrum, Niels
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    Orcid logo0000-0001-7241-4091
    Department of Chemistry, Technical University of Denmark
DOI:
10.1149/1.1473335
Abstract:
On the basis of blend polymer electrolytes of polybenzimidazole and sulfonated polysulfone, a polymer electrolyte membrane fuel cell was developed with an operational temperature up to 200degrees C. Due to the high operational temperature, the fuel cell can tolerate 1.0-3.0 vol % CO in the fuel, compared to less than 100 ppm CO for the Nafion-based technology at 80degrees C. The high CO tolerance makes it possible to use the reformed hydrogen directly from a simple methanol reformer without further CO removal. That both the fuel cell and the methanol reformer operate at temperatures around 200degrees C opens the possibility for an integrated system. The resulting system is expected to exhibit high power density and simple construction as well as efficient capital and operational cost.
Type:
Journal article
Language:
English
Published in:
Electrochemical and Solid-state Letters, 2002, Vol 5, Issue 6
Keywords:
Main Research Area:
Science/technology
Publication Status:
Published
Review type:
Peer Review
Submission year:
2002
Scientific Level:
Scientific
ID:
11325653

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