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Direct measurement of through-plane thermal conductivity of partially saturated fuel cell diffusion media

Authors
  • Xu, G.
  • LaManna, J.M.
  • Clement, J.T.
  • Mench, M.M.1, 2, 3, 4, 5
  • 1 Electrochemical Energy Storage and Conversion Laboratory
  • 2 Department of Mechanical, Aerospace and Biomedical Engineering
  • 3 University of Tennessee
  • 4 Energy and Transportation Science Division
  • 5 Oak Ridge National Laboratory
Type
Published Article
Journal
Journal of Power Sources
Publisher
Elsevier
Publication Date
Jan 01, 2014
Accepted Date
Jan 03, 2014
Volume
256
Pages
212–219
Identifiers
DOI: 10.1016/j.jpowsour.2014.01.015
Source
Elsevier
Keywords
License
Unknown

Abstract

•Stress–strain relationship was measured to determine thickness and porosity of DM.•Thermal conductivity was found highly dependent on compression and water content.•Theoretical prediction of the maximum thermal conductivity was developed.•Internal cell temperature difference was estimated as a function of saturation.•PCI flow is more influential on multiphase transport with DM at lower saturation.

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