张智虎,郑明刚,石磊

• 1:山东建筑大学机电工程学院
• 2:同济大学汽车学院

摘要(Abstract)：

基于提高质子交换膜燃料电池(proton exchange membrane fuel cell,PEMFC)的内部传质,增强其排水特性、气体分布特性,达到改善其工作性能的目的,建立了三维、稳态、恒温的8通道蛇形流道PEMFC模型,深入分析与讨论了有、无挡板对PEMFC内部传质的影响,以及挡板的阻塞比及挡板数量对PEMFC性能的影响。研究结果表明:挡板的设计能够提高流道内部局部气体的流速,促进反应气体的输运及液态水的去除,从而提高PEMFC的性能;挡板的阻塞比的增加能够有效改善流道内部的压降,增大液态水的去除效果;随着挡板数量的逐渐增多,产生的局部气体增速区域也随之增多,高气体流速分布逐渐趋于均匀。

关键词(KeyWords)： 质子交换膜燃料电池;蛇形流道;挡板;性能;模型

Abstract:

Keywords:

基金项目(Foundation): 山东省重大科技创新工程项目(2018CXGC0803);; 山东省重点研发计划(2016GGX103036)

作者(Author): 张智虎,郑明刚,石磊

DOI: 10.19911/j.1003-0417.tyn20201130.01

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