Three-dimensional numerical study on cell performance and transport phenomena of PEM fuel cells with conventional flow fields

被引：71

作者：

Jang, Jer-Huan ^{[2
]}

Yan, Wei-Mon ^{[1
]}

Li, Hung-Yi ^{[1
]}

Tsai, Wei-Che ^{[1
]}

机构：

[1] Huafan Univ, Dept Mechatron Engn, Taipei 22305, Taiwan

[2] No Taiwan Inst Sci & Technol, Dept Mech Engn, Taipei 11202, Taiwan

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2008年 / 33卷 / 01期

关键词：

flow field designs; conventional flow fields; cell performance; PEMFC;

D O I：

10.1016/j.ijhydene.2007.09.005

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this paper, a three-dimensional numerical model of the proton exchange membrane fuel cells (PEMFCs) with conventional flow field designs (parallel flow field, Z-type flow field, and serpentine flow field) has been established to investigate the performance and transport phenomena in the PEMFCs. The influences of the flow field designs on the fuel utilization, the water removal, and the cell performance of the PEMFC are studied. The distributions of velocity, oxygen mass fraction, current density, liquid water, and pressure with the convention flow fields are presented. For the conventional flow fields, the cell performance can be enhanced by adding the corner number, increasing the flow channel length, and decreasing the flow channel number. The cell performance of the serpentine flow field is the best, followed by the Z-type flow field and then the parallel flow field. (C) 2007 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.

引用

页码：156 / 164

页数：9

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