Electron transport in direct methanol fuel cells

Wenpeng Liu, Chao Yang Wang

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


A three-dimensional (3D), two-phase, isothermal model of direct methanol fuel cells (DMFCs) was employed to investigate effects of electron transport through the backing layer and the land in bipolar plates. It was found that the electronic resistance of the backing layer, affected by backing layer electronic conductivity, backing layer thickness and flow channel width, played a relatively important role in determining the current density distribution and cell performance. In order to ignore the electron transport effect on the average current density, the minimum electronic conductivity of the backing layer has to be 1000 S m-1, with the relative error in the average current density less than 5%, under the given conditions.

Original languageEnglish (US)
Pages (from-to)561-566
Number of pages6
JournalJournal of Power Sources
Issue number2
StatePublished - Feb 10 2007

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering


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