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浙江大学学报(工学版)
J4  2009, Vol. 43 Issue (6): 1147-1151    DOI: 10.3785/j.issn.1008-973X.2009.06.031
机械工程、电气工程     
交指状流场质子交换膜燃料电池的数值分析
胡桂林1,2,樊建人2
（1.浙江科技学院 轻工学院, 浙江 杭州 310023; 2.浙江大学 能源清洁利用国家重点实验室,浙江 杭州 310027）
Numerical analysis of proton exchange membrane fuel cell with interdigitated flow fields
HU Gui-lin1,2, FAN Jian-ren2
(1. School of Light Industry, Zhejiang University of Science and Technology, Hangzhou 310023, China;
2. State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China)
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摘要：

为研究流场结构设计对电池内的流动、组分传递和电池性能等的影响,建立了一个稳态的三维非等温质子交换膜燃料电池数学模型,应用此模型对一个交指状流场设计的电池单体（电极面积为64 cm ×65 cm）进行了数值研究.数值计算得到了电池的温度、组分质量浓度和局部电流密度等的空间分布,分析了不同电池反应物湿度等对电池特性的影响.结果表明,受传质的影响,沟道下方阴极催化层的温度大于相应沟脊下方的区域；与饱和气流进气的基本工况相比,降低阴极的进气湿度能提高电池的性能,而降低阳极的进气湿度则会导致电池性能的下降.
Abstract:

In order to investigate the effects of the flow field structure design on the flow characteristics, species transport and cell performance, a steadystate threedimensional nonisothermal mathematical model based on computation fluid dynamics was presented. The developed mathematical model was employed to numerically study a single proton exchange membrane fuel cell with interdigitated flow fields (with the electrode area of 64 cm×65 cm), and the spatial distributions of temperature, species concentration and local current density were obtained. Furthermore, the effect of different reactant humidity on the cell performance was discussed. The results indicate that the temperature in the  cathode catalyst layer under the channel is higher than that under the shoulder; compared with the case of saturated inlet reactants, the decrease of cathode gas relative humidity will enhance the cell performance, while the decrease of anode gas relative humidity will reduce the cell performance．
出版日期: 2009-06-01
:  TM991.4  
基金资助:

国家自然科学基金资助项目(50806068,50706045）；教育部科学技术研究重点资助项目（207043）；浙江省自然科学基金资助项目（Y106161）；能源清洁利用国家重点实验室开放课题资助项目（ZJUCEU2008001）.
作者简介: 胡桂林（1975-），男，江西南昌人，副教授，从事燃料电池基础研究和气固两相流直接模拟研究.
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引用本文:

胡桂林, 樊建人. 交指状流场质子交换膜燃料电池的数值分析[J]. J4, 2009, 43(6): 1147-1151.

HU Gui-Lin, FAN Jian-Ren. Numerical analysis of proton exchange membrane fuel cell with interdigitated flow fields. J4, 2009, 43(6): 1147-1151.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2009.06.031    或    http://www.zjujournals.com/eng/CN/Y2009/V43/I6/1147

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