Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/164197
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dc.contributor.authorLiu, Yangen_US
dc.contributor.authorXiao, Biaoen_US
dc.contributor.authorZhao, Junjieen_US
dc.contributor.authorFan, Lixinen_US
dc.contributor.authorLuo, Xiaobingen_US
dc.contributor.authorTu, Zhengkaien_US
dc.contributor.authorChan, Siew Hwaen_US
dc.date.accessioned2023-01-09T04:56:35Z-
dc.date.available2023-01-09T04:56:35Z-
dc.date.issued2021-
dc.identifier.citationLiu, Y., Xiao, B., Zhao, J., Fan, L., Luo, X., Tu, Z. & Chan, S. H. (2021). Performance degradation of a proton exchange membrane fuel cell with dual ejector-based recirculation. Energy Conversion and Management: X, 12, 100114-. https://dx.doi.org/10.1016/j.ecmx.2021.100114en_US
dc.identifier.issn2590-1745en_US
dc.identifier.urihttps://hdl.handle.net/10356/164197-
dc.description.abstractEffective water management is particularly critical for fuel cells fed by hydrogen/oxygen. An ejector is an optimal device for the gas recirculation subsystem of a proton exchange membrane fuel cell (PEMFC) and is usually adopted for the auxiliary drainage of hydrogen/oxygen stacks. To explore the performance degradation of the fuel cells operating in dual ejector-based recirculation mode for both the anode and cathode, the dynamic characteristics of gas purging of the PEMFC was studied experimentally and the effects of the electrolyte and gas management strategy of the fuel cell on performance degradation were investigated in detail by using the measurement of polarization curves, electrochemical impedance spectroscopy (EIS), cyclic voltammetry (CV), and scanning electron microscopy (SEM) images of membrane electrode assembly (MEA) cross sections. The results indicated that the fuel cell with Nafion® 212 operating in the dual ejector-based recirculation mode has a better performance than that operating in the dead-ended mode, with total electrochemical surface area (ECSA) degradation rates of 10.61% and 17.02%, respectively. The ejector in the recirculation mode can accelerate the removal of liquid water from the fuel cell flow channel, avoiding water flooding and performance deterioration of fuel cells during long-term operation..en_US
dc.language.isoenen_US
dc.relation.ispartofEnergy Conversion and Management: Xen_US
dc.rights© 2021 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).en_US
dc.subjectEngineering::Mechanical engineeringen_US
dc.titlePerformance degradation of a proton exchange membrane fuel cell with dual ejector-based recirculationen_US
dc.typeJournal Articleen
dc.contributor.researchEnergy Research Institute @ NTU (ERI@N)en_US
dc.identifier.doi10.1016/j.ecmx.2021.100114-
dc.description.versionPublished versionen_US
dc.identifier.scopus2-s2.0-85122708554-
dc.identifier.volume12en_US
dc.identifier.spage100114en_US
dc.subject.keywordsPerformance Degradationen_US
dc.subject.keywordsGas Purgingen_US
dc.description.acknowledgementThis work was supported by the National Key Research and Development Program of China, the National Natural Science Foundation of China (Nos. 51776144 and 52076096), the Natural Science Foundation of Hubei Province (No. 2020CFA040), Wuhan Applied Foundational Frontier Project (No. 2020010601012205) and the Fundamental Research Funds for the Central Universities (No. 2019kfyRCPY09).en_US
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