质子交换膜燃料电池微孔层CFD模型研究Study on CFD Model of Micro Porous Layer in Proton Exchange Membrane Fuel Cell
何煜祥;陈会翠;章桐;裴普成;
摘要(Abstract)：
为了建立含微孔层的质子交换膜燃料电池三维流体模型,利用多组分扩散方程与气液两相流方程进行数值计算,重点研究了稳态条件下的组分参数与水分布,以及阴极空气过量系数对燃料电池输出性能的影响。计算结果表明,氢气、氧气、水分与局部电流等参数具有明显的空间分布,受燃料电池多层结构的影响明显,空气过量系数的增大可以提升燃料电池的输出性能。仿真结果中燃料电池的极化曲线表明了模型的有效性,液态水的分布证明了在燃料电池仿真建模中考虑微孔层模型的必要性。
关键词(KeyWords)： 燃料电池;微孔层;仿真分析;计算流体力学
基金项目(Foundation): 上海市青年科技英才扬帆计划(18YF1424300);; 国家重点研发计划新能源专项(2017YFB0103102);; 同济大学优秀青年人才培养行动计划(1700219153)
作者(Authors): 何煜祥;陈会翠;章桐;裴普成;
DOI: 10.19620/j.cnki.1000-3703.20180477
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