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- W2314904042 abstract "This paper reveals the performance decrease and recovery of PEMFC when the contaminated fuel gas and air source with sulfur impurities such as hydrogen sulfide and sulfur dioxide were simultaneously introduced to anode and cathode, respectively. Three different GDLs were fabricated with different carbon black and activated carbon to prevent an introduction of sulfur compound impurities into MEA. components. The severity of SO2 and H2S poisoning was depended on concentrations(3 ppm 10 ppm) of sulfur impurities. Especially, cell performance degradation rate was rapid when MEA fabricated with CN-2 GDL because it had little porosity on GDL surface. Moreover, the cell performance can be recovered up to 90%-95% only with neat hydrogen and fresh air feeding.. Conclusively, MEA fabricated with porous CN-1 GDL showed the best cell performance and recovery efficiency during exposure to poisoning condition by simultaneous sulfur impurities." @default.
- W2314904042 created "2016-06-24" @default.
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- W2314904042 date "2013-03-30" @default.
- W2314904042 modified "2023-09-27" @default.
- W2314904042 title "The Performance Degradation of PEMFCs Fabricated with Different GDLs During Exposure to Simultaneous Sulfur Impurity Poisoning Condition" @default.
- W2314904042 doi "https://doi.org/10.12925/jkocs.2013.30.1.146" @default.
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