汽车工程学报2024，Vol.14Issue(4)：614-621,8.DOI:10.3969/j.issn.2095‒1469.2024.04.05
质子交换膜燃料电池泡沫金属流场传质性能
Study on the Mass Transfer Performance of Metal Foam Flow Fields in PEMFC
摘要
Abstract
The three-dimensional form of the metal foam flow field is established.Through three-dimensional numerical simulation,the results show that the metal foam flow field can effectively reduce the concentration polarization loss,thereby improving the performance of the fuel cell at high current densities.The increase in output power density is significant,while the corresponding pumping power loss is negligible.Furthermore,under the influence of the metal foam flow field,the oxygen concentration distribution inside the PEMFC is more uniform than that in the traditional straight-channel fuel cells.Bench experiments were conducted to observe the flow state of liquid water in the foam flow field and similar flow phenomenon was obtained through three-dimensional numerical simulations.Compared with the traditional straight-channel designs,the metal foam flow field is of great help in improving the flooding phenomenon in fuel cells.关键词
质子交换膜燃料电池/泡沫金属流场/形态重建/数值模拟Key words
proton exchange membrane fuel cell/metal foam flow field/morphology reconstruction/numerical simulation分类
动力与电气工程引用本文复制引用
蔡永华,陈凌宇,魏帆..质子交换膜燃料电池泡沫金属流场传质性能[J].汽车工程学报,2024,14(4):614-621,8.基金项目
国家自然科学基金面上项目(52176200):一体式可再生燃料电池双模式运行过程水气协同传输机制及耐久性研究 （52176200）
