A segmented model for studying water transport in a PEMFC

被引：35

作者：

Chen, Yong-Song ^{[1
]}

Peng, Huei ^{[1
]}

机构：

[1] Univ Michigan, Dept Mech Engn, Ann Arbor, MI 48109 USA

来源：

JOURNAL OF POWER SOURCES | 2008年 / 185卷 / 02期

基金：

美国国家科学基金会;

关键词：

PEM fuel cell; Water management; Humidity; Model; Neutron radiography;

D O I：

10.1016/j.jpowsour.2008.07.018

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：

Water management plays an important role in the durability and efficiency of a proton exchange membrane fuel cell (PEMFC). In this study, a single cell is modeled as a lumped model consisting of 15 interconnected segments, which are linked according to the flow field patterns of the anode and cathode but they are treated as lumped elements individually. Parameters of this model were calibrated based on neutron radiography experimental results obtained at the NIST Center for Neutron Research (NCNR). The model can be used to predict distributions of current density, water content in the membrane, relative humidity (RH) in the flow channels, and water accumulation in the gas diffusion layer (GDL). (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：1179 / 1192

页数：14

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