Cited by 353Fuel Cells and Related MaterialsAdvancements in Solid Oxide Fuel CellsElectrocatalysts for Energy Conversion

Water Management in PEM Fuel Cells

Open access
Berg, Peter, Promislow, Keith, St. Pierre, Jean, Stumper, Jürgen, Wetton, Brian·2004·Journal of The Electrochemical Society

Abstract

A simplified model for water management in a polymer electrolyte membrane (PEM) fuel cell operating under prescribed current with iso-potential plates is presented. The consumption of gases in the flow field channels, coupled to the electric potential and water content in the polymer membrane, is modeled in a two-dimensional slice from inlet to outlet and through the membrane. Both co- and counter-flowing air and fuel streams are considered, with attention paid to sensitivity of along-the-channel current density to inlet humidities, gas stream composition, and fuel and oxygen stoichiometries. The parameters describing the nonequilibrium kinetics of the membrane/catalyst interface are found to be fundamental to accurate fuel cell modeling. A new parameter which models nonequilibrium membrane water uptake rates is introduced. Four parameters, the exchange current, a membrane water transfer coefficient, an effective oxygen diffusivity, and an average membrane resistance, are fit to a subset of data and then held constant in subsequent runs which compare polarization curves, current density and membrane hydration distributions, water transfer, and stoichiometric sensitivity to the balance of the experimental data. © 2004 The Electrochemical Society. All rights reserved.

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Crossref · 10.1149/1.1641033

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Authors
Berg, P., Promislow, K., St. Pierre, J., Stumper, J., & Wetton, B.
Affiliations
  • Simon Fraser University (CA)
  • University of British Columbia (CA)
Venue
Journal of The Electrochemical Society
Published
2004
Volume
151
Issue
3
Pages
A341
ISSN
0013-4651 (ISSN-L)
OpenAlex
W2103992671
Cited by
353
References
29
Citations by year
2026: 5 · 2025: 10 · 2024: 9 · 2023: 11 · 2022: 7 · 2021: 7 · 2020: 8 · 2019: 10 · 2018: 6 · 2017: 9 · 2016: 8 · 2015: 7 · 2014: 11 · 2013: 13 · 2012: 27
FWCI
32.23
Type
journal article
Language
en
Open access
Locations
Journal of The Electrochemical Society (publishedVersion)
Funders
  • Ballard Power Systems
  • Simon Fraser University
  • Mitacs
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Fuel Cells and Related Materials
  • Physical Sciences › Materials Science › Materials Chemistry › Advancements in Solid Oxide Fuel Cells
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
Keywords
proton exchange membrane fuel cells, water management (fuel cells), membrane hydration, water transport, nonequilibrium kinetics, stoichiometry, current density distribution, polarization curves, oxygen diffusion coefficient, membrane resistance

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