NDLI: Current Distribution in a Polymer Electrolyte Membrane Fuel Cell Under Flooding Conditions

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Jamekhorshid, A. Karimi, G. Li, X.
Copyright Year	2009
Abstract	Non-uniform current distribution in polymer electrolyte membrane fuel cells results in local over-heating, accelerated ageing, and lower power output than expected. This issue is very critical when fuel cell experiences water flooding. In this work, the performance of a PEM fuel cell is investigated under cathode flooding conditions. A partially flooded GDL model is proposed to study local current density distributions along flow fields over a wide range of cell operating conditions. The model results show as cathode inlet humidity and/or cell pressure increase the average current density for the unflooded portions of the cell increases but the system becomes more sensitive to flooding. Operating the cell at higher temperatures would lead to higher average current densities and the chance of system being flooded is reduced. In addition, higher cathode stoichiometries prevent system flooding but the average current density remains almost constant.
Sponsorship	Advanced Energy Systems Division
Starting Page	387
Ending Page	393
Page Count	7
File Format	PDF
ISBN	9780791848814
DOI	10.1115/FuelCell2009-85155
e-ISBN	9780791838471
Conference Proceedings	ASME 2009 7th International Conference on Fuel Cell Science, Engineering and Technology
Language	English
Publisher Date	2009-06-08
Publisher Place	Newport Beach, California, USA
Access Restriction	Subscribed
Subject Keyword	Water Temperature Heating Fuel cells Gas diffusion layers Floods Proton exchange membrane fuel cells Current density Flow (dynamics) Pressure
Content Type	Text
Resource Type	Article

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Predicting Through-Plane Water Distribution in a Polymer Electrolyte Fuel Cell

Estimation of Flooding in PEMFC Gas Diffusion Layer by Differential Pressure Measurement

Modeling Three-Dimensional Complex Flow-Fields of Proton Exchange Membrane Fuel Cells With Large Gas Density Change in Cathode

Measurement of Water Production Behavior, Temperature, and Current Density Distributions in a Polymer Electrolyte Fuel Cell

Investigation of Flooding Phenomena in PEMFC by Two-Phase Flow Numerical Simulation

Measurement of Liquid Water Accumulation in a Proton Exchange Membrane Fuel Cell With Dead-Ended Anode

Synchrotron X-Ray Investigation of Membrane Water Distribution in Polymer Electrolyte Membrane Fuel Cell Applications

Liquid Water Transport in Polymer Electrolyte Fuel Cells With Multi-Layer Diffusion Media

Water Permeation Through Gas Diffusion Layers of Proton Exchange Membrane Fuel Cells

Current Distribution in a Polymer Electrolyte Membrane Fuel Cell Under Flooding Conditions

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