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dc.contributor.authorChen, Benen_US
dc.contributor.authorCai, Yonghuaen_US
dc.contributor.authorShen, Junen_US
dc.contributor.authorTu, Zhengkaien_US
dc.contributor.authorChan, Siew Hwaen_US
dc.identifier.citationChen, B., Cai, Y., Shen, J., Tu, Z., & Chan, S. H. (2018). Performance degradation of a proton exchange membrane fuel cell with dead-ended cathode and anode. Applied Thermal Engineering, 132, 80-86. doi:10.1016/j.applthermaleng.2017.12.078en_US
dc.description.abstractProton exchange membrane fuel cells with dead-ended cathodes and anodes can simplify the fuel cell system and reduce costs. An experiment was performed to determine the performance degradation characteristics of Proton exchange membrane fuel cells with dead-ended cathodes and anodes. The effects of operating temperature and pressure differences between the cathode and the anode on the purging period were investigated in detail. The performance and cyclic voltammetry before and after the dead-ended operation were analyzed and compared. After the experiment, the membrane electrode assembly was cut to analyze the catalytic layer cross-section membrane morphology by scanning electron microscopy. The results showed that during operation, the fuel cell performance gradually decreases until the setting value, and then quickly recovers when the cathode outlet solenoid valve is triggered during a purging cycle. The dead-ended operating period decreases with an increase in operating temperature but increases with an increase in the pressure difference between the cathode and the anode. Flooding occurs easily in a Proton exchange membrane fuel cell with a dead-ended cathode and anode, causing performance degradation. Moreover, it may cause a decrease in the electrochemical surface area of the catalyst layer. The scanning electron microscopy images showed that both the upper and middle regions of the catalyst layers remained unchanged, whereas the downstream region corroded and become thinner in the dead-ended mode after 60 h.en_US
dc.relation.ispartofApplied Thermal Engineeringen_US
dc.rights© 2017 Elsevier Ltd. All rights reserveden_US
dc.subjectEngineering::Electrical and electronic engineeringen_US
dc.titlePerformance degradation of a proton exchange membrane fuel cell with dead-ended cathode and anodeen_US
dc.typeJournal Articleen
dc.contributor.researchEnergy Research Institute @ NTU (ERI@N)en_US
dc.subject.keywordsProton Exchange Membrane Fuel Cellen_US
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