TWO-DIMENSIONAL, TWO-PHASE MODEL FOR CATHODE OF PROTON EXCHANGE MEMBRANE FUEL CELL WITH CONVENTIONAL FLOW FIELD

HU Jun; YI Baolian; CAI Yinghua; ZHANG Huamin

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TWO-DIMENSIONAL, TWO-PHASE MODEL FOR CATHODE OF PROTON EXCHANGE MEMBRANE FUEL CELL WITH CONVENTIONAL FLOW FIELD

更新时间：2025-12-10

- TWO-DIMENSIONAL, TWO-PHASE MODEL FOR CATHODE OF PROTON EXCHANGE MEMBRANE FUEL CELL WITH CONVENTIONAL FLOW FIELD
- CIESC Journal Issue 6, Pages: 967-973(2004)
- 作者机构：
  
  中国科学院大连化学物理研究所燃料电池工程中心,辽宁,大连,116023
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 June 2004，
  
  Published：25 June 2004
- 稿件说明：
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HU Jun, YI Baolian, CAI Yinghua, et al. TWO-DIMENSIONAL, TWO-PHASE MODEL FOR CATHODE OF PROTON EXCHANGE MEMBRANE FUEL CELL WITH CONVENTIONAL FLOW FIELD[J]. CIESC Journal, 2004, (6): 967-973.
DOI：

HU Jun, YI Baolian, CAI Yinghua, et al. TWO-DIMENSIONAL, TWO-PHASE MODEL FOR CATHODE OF PROTON EXCHANGE MEMBRANE FUEL CELL WITH CONVENTIONAL FLOW FIELD[J]. CIESC Journal, 2004, (6): 967-973. DOI：

摘要

对采用常规条形流场的H2-Air PEMFC阴极建立了二维两相流模型，控制方程耦合了电传导方程、O2和气态H2O的对流-扩散方程、多孔介质连续性方程以及液态H2O输运方程.利用模型计算了阴极扩散层中O2浓度、气态H2O浓度、电流密度以及液态水饱和度的分布，分析了扩散层中H2O的传递方式及各组分浓度分布的特点.

Abstract

The two dimensional， two-phase mathematical model was developed for the cathode of proton exchange membrane fuel cell with conventional flow field operated with air. The governing equations included conductive equation

continuity equation in porous media

the convection-diffusion equations for O2 and water vapor

and the transfer equation for liquid water.The concentration of O2 and water vapor

the current density and liquid water saturation in the diffuser were calculated.The mechanism of H2O transport in the cathode diffuser and the gaseous species concentration distribution in the diffuser were studied.

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