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An experimental and simulation study of novel channel designs for open-cathode high-temperature polymer electrolyte membrane fuel cells

Title
An experimental and simulation study of novel channel designs for open-cathode high-temperature polymer electrolyte membrane fuel cells
Authors
Thomas, S[Thomas, Sobi]Bates, A[Bates, Alex]Park, S[Park, Sam]Sahu, AK[Sahu, A. K.]Lee, SC[Lee, Sang C.]Son, BR[Son, Byung Rak]Kim, JG[Kim, Joo Gon]Lee, DH[Lee, Dong-Ha]
DGIST Authors
Lee, SC[Lee, Sang C.]; Son, BR[Son, Byung Rak]; Kim, JG[Kim, Joo Gon]; Lee, DH[Lee, Dong-Ha]
Issue Date
2016-03-01
Citation
Applied Energy, 165, 765-776
Type
Article
Article Type
Article
Keywords
BOPCathodesCoolantsDesignDropsElectrodesElectrolytesFuel CellsHigh-Temperature PEMFCHigh Temperature Polymer Electrolyte MembranesOpen CathodeParallel FlowParasitic LossParasitic LossesPolyelectrolytesPower DensitiesPower DensityPressure DropProton-Exchange Membrane Fuel Cells (PEMFC)SerpentineSilicate MineralsSimulation ApproachSimulation StudiesSolid ElectrolytesTemperatureThermal GradientsUniform Flow Distributions
ISSN
0306-2619
Abstract
A minimum balance of plant (BOP) is desired for an open-cathode high temperature polymer electrolyte membrane (HTPEM) fuel cell to ensure low parasitic losses and a compact design. The advantage of an open-cathode system is the elimination of the coolant plate and incorporation of a blower for oxidant and coolant supply, which reduces the overall size of the stack, power losses, and results in a lower system volume. In the present study, we present unique designs for an open-cathode system which offers uniform temperature distribution with a minimum temperature gradient and a uniform flow distribution through each cell. Design studies were carried out to increase power density. An experimental and simulation approach was carried out to design the novel open-cathode system. Two unique parallel serpentine flow designs were developed to yield a low pressure drop and uniform flow distribution, one without pins and another with pins. A five-cell stack was fabricated in the lab based on the new design. Performance and flow distribution studies revealed better performance, uniform flow distribution, and a reduced temperature gradient across the stack; improving overall system efficiency. © 2015 Elsevier Ltd.
URI
http://hdl.handle.net/20.500.11750/2548
DOI
10.1016/j.apenergy.2015.12.011
Publisher
ELSEVIER SCI LTD
Files:
There are no files associated with this item.
Collection:
Convergence Research Center for Future Automotive Technology1. Journal Articles
Convergence Research Center for Wellness1. Journal Articles


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