A one-dimensional and two-phase flow model of a proton exchange membrane fuel cell

被引：11

作者：

Ferreira, Rui B. ^{[1
]}

Falcao, Daniela S. ^{[1
]}

Oliveira, Vania B. ^{[1
]}

Pinto, Alexandra Maria F. R. ^{[1
]}

机构：

[1] Univ Porto, Dept Chem Engn, Transport Phenomena Res Ctr, Fac Engn, P-4200465 Oporto, Portugal

来源：

JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY | 2015年 / 90卷 / 09期

关键词：

PEM fuel cells; water management; modeling; two-phase flow; liquid water; WATER TRANSPORT; SIMULATION; SYSTEM;

D O I：

10.1002/jctb.4651

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

BACKGROUNDMathematical models are very important tools for the development of proton exchange membrane (PEM) fuel cells. In this work, a one-dimensional, steady-state and two-phase flow model of a PEM fuel cell is presented. RESULTSThe present two-phase flow model is able to predict the experimental results more accurately than its single-phase counterpart, especially for high current values. In addition, the model presented here also allows calculation of the threshold current density defining the boundary between single and two-phase regimes, which can be used to provide a set of operating conditions avoiding a high content of liquid water and the resulting negative effects on cell performance. CONCLUSIONSOwing to its low demand on computational time, the proposed model can be used for PEM fuel cells system simulations, offering many advantages over empirical models. (c) 2015 Society of Chemical Industry

引用

页码：1547 / 1551

页数：5

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