Transport mechanism and performance simulation for PEM fuel cells

被引：0

作者：

You, LX ^{[1
]}

Liu, HT ^{[1
]}

Kakac, S ^{[1
]}

Veziroglu, TN ^{[1
]}

机构：

[1] Univ Miami, Dept Mech Engn, Coral Gables, FL 33124 USA

来源：

HYDROGEN ENERGY PROGRESS XIII, VOLS 1 AND 2, PROCEEDINGS | 2000年

关键词：

PEM (proton exchange membrane); fuel cells;

D O I：

暂无

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

This paper presents a two-dimensional, two-phase flow and multi-component model for PEM fuel cells. Due to the critical role of water in PEM fuel cell performance, a two-phase flow approach has been adopted. A detailed catalyst model and a membrane model are imbedded into the two-phase model. The two-phase model, the governing equations for electrochemical reactions and membrane phase potential are solved, and the flow field, two-phase flow field, species distributions in the PEM fuel cell sandwich are obtained. Fuel cell polarization curves under various operating conditions have also been obtained. Typical results of species concentration and fuel cell performance are presented. The modeling results are in good agreement with our experimental data.

引用

页码：932 / 937

页数：6

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