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    Effects of Cooling System Boundary Conditions on the Performance of Proton Exchange Membrane Fuel Cell: A Comprehensive Analysis

    Source: Journal of Electrochemical Energy Conversion and Storage:;2023:;volume( 021 ):;issue: 002::page 21008-1
    Author:
    Wang, Yaochen
    ,
    Ren, Hongjuan
    ,
    Li, Cong
    DOI: 10.1115/1.4063016
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: We developed a three-dimensional multiphysics numerical model of a proton exchange membrane fuel cell (PEMFC) with a cathode mesh structure to investigate how coolant flowrate and temperature impact its performance. After experimentally validating the model, we compared the performance of the cathode mesh structure PEMFC with that of the traditional straight-flow PEMFC. The results indicate that the cathode mesh structure PEMFC has a lower pressure drop and a more index of uniform distribution (IUD), leading to enhanced performance, better temperature distribution, and improved water management of the PEMFC. The investigation of the cooling system’s operating parameters revealed that the temperature of the cathode catalyst layer in the PEMFC is the highest, while the temperature of the bipolar plate is the lowest. Of the nine cases that we evaluated, Case 7, with a coolant inlet temperature and flowrate of 303.15 K and 0.07 m/s, respectively, yielded the highest power density and the lowest average temperature. The IUD of the proton exchange membrane (PEM) in Case 5 was 0.608, suggesting that the temperature distribution of the PEM is more uniform when the coolant inlet temperature and flowrate are 323.15 K and 0.05 m/s, respectively. We have demonstrated through calculations a strong correlation between temperature difference and IUDs. These findings have significant implications for the optimization and application of PEMFCs.
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      Effects of Cooling System Boundary Conditions on the Performance of Proton Exchange Membrane Fuel Cell: A Comprehensive Analysis

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    • Journal of Electrochemical Energy Conversion and Storage

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    contributor authorWang, Yaochen
    contributor authorRen, Hongjuan
    contributor authorLi, Cong
    date accessioned2024-04-24T22:33:38Z
    date available2024-04-24T22:33:38Z
    date copyright8/16/2023 12:00:00 AM
    date issued2023
    identifier issn2381-6872
    identifier otherjeecs_21_2_021008.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4295446
    description abstractWe developed a three-dimensional multiphysics numerical model of a proton exchange membrane fuel cell (PEMFC) with a cathode mesh structure to investigate how coolant flowrate and temperature impact its performance. After experimentally validating the model, we compared the performance of the cathode mesh structure PEMFC with that of the traditional straight-flow PEMFC. The results indicate that the cathode mesh structure PEMFC has a lower pressure drop and a more index of uniform distribution (IUD), leading to enhanced performance, better temperature distribution, and improved water management of the PEMFC. The investigation of the cooling system’s operating parameters revealed that the temperature of the cathode catalyst layer in the PEMFC is the highest, while the temperature of the bipolar plate is the lowest. Of the nine cases that we evaluated, Case 7, with a coolant inlet temperature and flowrate of 303.15 K and 0.07 m/s, respectively, yielded the highest power density and the lowest average temperature. The IUD of the proton exchange membrane (PEM) in Case 5 was 0.608, suggesting that the temperature distribution of the PEM is more uniform when the coolant inlet temperature and flowrate are 323.15 K and 0.05 m/s, respectively. We have demonstrated through calculations a strong correlation between temperature difference and IUDs. These findings have significant implications for the optimization and application of PEMFCs.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleEffects of Cooling System Boundary Conditions on the Performance of Proton Exchange Membrane Fuel Cell: A Comprehensive Analysis
    typeJournal Paper
    journal volume21
    journal issue2
    journal titleJournal of Electrochemical Energy Conversion and Storage
    identifier doi10.1115/1.4063016
    journal fristpage21008-1
    journal lastpage21008-11
    page11
    treeJournal of Electrochemical Energy Conversion and Storage:;2023:;volume( 021 ):;issue: 002
    contenttypeFulltext
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