Modeling and Diagnostics of Fuel Cell Porous Media for Improving Water Transport

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When a fuel cell is operating at high current density, water accumulation is a significant cause of performance and component degradation. Investigating the water transport inside the fuel cell is a challenging task due to opacity of the components, the randomness of the porous materials, and the difficulty in gain access to the interior for measurement due to the small dimensions of components. Numerical simulation can provide a good insight of the evolution of the water transport under different working condition. However, the validation of those simulations is remains an issue due the same experimental obstacles associated with in-situ measurements. ... continued below

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165-178

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Allen, Jeff & M'edici, Ezequiel July 1, 2011.

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When a fuel cell is operating at high current density, water accumulation is a significant cause of performance and component degradation. Investigating the water transport inside the fuel cell is a challenging task due to opacity of the components, the randomness of the porous materials, and the difficulty in gain access to the interior for measurement due to the small dimensions of components. Numerical simulation can provide a good insight of the evolution of the water transport under different working condition. However, the validation of those simulations is remains an issue due the same experimental obstacles associated with in-situ measurements. The discussion herein will focus on pore-network modeling of the water transport on the PTL and the insights gained from simulations as well as in the validation technique. The implications of a recently published criterion to characterize PTL, based on percolation theory, and validate numerical simulation are discussed.

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165-178

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  • Journal Name: ECS Transactions; Journal Volume: 41; Journal Issue: 1; Conference: 220th ECS Meeting & Electrochemical Energy Summit in Boston, Massachusetts, October 9-14, 2011

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  • Report No.: DOE/E0000466-7
  • Grant Number: EE0000466
  • DOI: 10.1149/1.3635552 | External Link
  • Office of Scientific & Technical Information Report Number: 1084692
  • Archival Resource Key: ark:/67531/metadc830037

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • July 1, 2011

Added to The UNT Digital Library

  • May 19, 2016, 9:45 a.m.

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  • July 22, 2016, 4:23 p.m.

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Allen, Jeff & M'edici, Ezequiel. Modeling and Diagnostics of Fuel Cell Porous Media for Improving Water Transport, article, July 1, 2011; United States. (digital.library.unt.edu/ark:/67531/metadc830037/: accessed July 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.