Water and Thermal Management in Solid‐Polymer‐Electrolyte Fuel Cells
- 1 May 1993
- journal article
- Published by The Electrochemical Society in Journal of the Electrochemical Society
- Vol. 140 (5) , 1218-1225
- https://doi.org/10.1149/1.2220960
Abstract
A mathematical model of transport in a solid‐polymer‐electrolyte fuel cell is presented. A two‐dimensional membrane‐electrode assembly is considered. Water management, thermal management, and utilization of fuel are examined in detail. Because the equilibrium sorption of water between the gas phase and the polymer‐electrolyte depends strongly on temperature, water and thermal management are interrelated. The rate of heat removal is shown to be a critical parameter in the operation of these fuel cells.Keywords
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