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Steady State Multiplicity in a Polymer Electrolyte Membrane Fuel Cell

Author(s): Chia, Ee-Sunn J.; Benziger, Jay B.; Kevrekidis, Yannis G.

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Abstract: A simplified differential reactor model that embodies the essential physics controlling PEM fuel cell (PEM-FC) dynamics is presented. A remarkable analogy exists between water management in the differential PEM-FC and energy balance in the classical exothermic stirred tank reactor. Water, the reaction product in the PEM-FC autocatalytically accelerates the reaction rate by enhancing proton transport through the PEM. Established analyses of heat autocatalyticity in a CSTR are modified to present water management autocatalyticity in a stirred tank reactor PEM-FC.
Publication Date: Aug-2003
Citation: Chia, Ee-Sunn J, Benziger, Jay B, Kevrekidis, Ioannis G. (Steady State Multiplicity in a Polymer Electrolyte Membrane Fuel Cell
Pages: 4705-4708
Type of Material: Journal Article
Journal/Proceeding Title: Chemical Engineering Journal
Version: Author's manuscript

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