Flow distribution in proton exchange membrane fuel cell stacks

被引:106
作者
Chang, Paul A. C. [1 ]
St-Pierre, Jean
Stumper, Juergen
Wetton, Brian
机构
[1] Univ British Columbia, Dept Math, Vancouver, BC V6T 1Z2, Canada
[2] Ballard Power Syst, Burnaby, BC V5J 5J9, Canada
关键词
flow distribution; fuel cell; fuel cell stack; proton exchange membrane; modeling;
D O I
10.1016/j.jpowsour.2006.06.081
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
A proton exchange membrane fuel cell (PEMFC) stack model which incorporates flow distribution effects and a reduced dimensional unit cell model is presented. The laws of Mass and Momentum Conservation are applied throughout the stack. Along the headers, flow splitting and recombination are applied at each tee junction, while along the unit cell channels, reactant consumption and byproduct production are accounted for. Cell performance is coupled to the channel conditions. Using this stack model, the sensitivity of stack performance to operating conditions (inlet velocity and pressure) and design parameters (manifold, flow configuration and friction factor) is investigated. In particular, performance under uniform, single anomaly, and random parameter distributions is investigated. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:340 / 355
页数:16
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