摘要
通过建立质子交换膜燃料电池阴极气场的三维简化模型,研究了不同进气方式、不同进出气总管尺寸对电池堆流量分布的影响,并提出从单电池流道深度的角度优化气场分布的改进方案。结果表明,与单入口进气方式相比,双入口进气方式效果更优;采用2-2型进气方案时流量分布最为均匀,进气功耗最小;增大进气总管的宽度可以使电堆流量分布更加均匀;各单电池合理采用非均匀深度流道可以有效提高电池堆流量分布均匀性。
The simplified three-dimensional model of the cathode gas flow field in proton exchange membrane （PEM） fuel cell was established to investigate the flow distribution characteristics in cell stacks under different gas inlet types and different manifold pipe sizes, and improved scheme for more uniformly flow distribution was proposed through the use of the non-uniform depth channels in signal cells. The results show that the double-inlet gas field types perform better than the single-inlet types, and the double-inlet and double-outlet types can obtain the best performance in flow distribution with the lowest power consumption. The flow distribution can become more uniform with the increase of the manifold pipe width. The proper use of the non-uniform depth channels can improve the flow distribution performance effectively.
出处
《工程热物理学报》
EI
CAS
CSCD
北大核心
2012年第8期1375-1379,共5页
Journal of Engineering Thermophysics
基金
国家自然科学基金资助项目(No.50906026)
国家"863"计划资助项目(No.2012AA110600)
关键词
质子交换膜燃料电池
进气方式
流量分布
气场设计
proton exchange membrane fuel cell~ gas inlet types
flow distribution
gas field design
作者简介
刘志春（1976-），男，新疆沙湾人，讲师，博士，主要从事毛细泵相变回路以及电子器件冷却的研究
