Vapor feed direct methanol fuel cell with flowing electrolyte

Fikile R. Brushett, Michael Mitchell, Ranga S. Jayashree, Wei Ping Zhou, Paul J.A. Kenis

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper reports on the design and characterization of a vapor feed direct methanol fuel cell with flowing acidic electrolyte. A vapor fuel feed has the advantage of reducing methanol crossover and facilitating the removal of CO2. We observed a maximum power density when using 10 M liquid methanol as the source for the vapor fuel feed. At this concentration, an optimal balance appears to exist between the desired increase in the rate of methanol oxidation and the undesired increase in the rate of methanol crossover, which both result from increasing the methanol concentration. Performance studies show that the system is kinetically limited by the oxidation of methanol.

Original languageEnglish (US)
Title of host publicationECS Transactions - 7th Symposium Devoted to Proton Exchange Membrane Fuel Cells
Pages1419-1424
Number of pages6
Edition1 PART 2
DOIs
StatePublished - 2007
Event7th Symposium Devoted to Proton Exchange Membrane Fuel Cells - 212th ECS Meeting - Washington, DC, United States
Duration: Oct 7 2007Oct 12 2007

Publication series

NameECS Transactions
Number1 PART 2
Volume11
ISSN (Print)1938-5862
ISSN (Electronic)1938-6737

Other

Other7th Symposium Devoted to Proton Exchange Membrane Fuel Cells - 212th ECS Meeting
CountryUnited States
CityWashington, DC
Period10/7/0710/12/07

ASJC Scopus subject areas

  • Engineering(all)

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