Dynamic modeling of high temperature PEM fuel cell start-up process

被引：37

作者：

Wang, Y. ^{[1
,2
]}

Sauer, D. U. ^{[1
,2
,3
]}

Koehne, S. ^{[4
]}

Ersoez, A. ^{[5
]}

机构：

[1] Rhein Westfal TH Aachen, Electrochem Energy Convers & Storage Syst Grp, Inst Power Elect & Elect Drives ISEA, Aachen, Germany

[2] JARA Energy, Juelich Aachen Res Alliance, Aachen, Germany

[3] Rhein Westfal TH Aachen, Inst Power Generat & Storage Syst PGS, E ON ERC, Aachen, Germany

[4] TS TestingServ GmbH, Aachen, Germany

[5] Sci & Technol Res Council Turkey TUBITAK, D-52066 Aachen, Germany

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2014年 / 39卷 / 33期

关键词：

HT-PEMFC; 3D spatial modeling; Start-up duration; Temperature distribution; MEMBRANE-ELECTRODE ASSEMBLIES; COLD-START; POWER UNIT; PERFORMANCE; SYSTEM; POLYBENZIMIDAZOLE; OPTIMIZATION; EFFICIENCY; BEHAVIORS; OPERATION;

D O I：

10.1016/j.ijhydene.2014.09.095

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：

High temperature proton exchange membrane fuel cells (HT-PEMFCs) are considered to be the next generation fuel cells. Compared with standard low temperature proton exchange membrane fuel cells (LT-PEMFCs) the electrochemical kinetics for electrode reactions are enhanced by using a polybenzimidazole based membrane at an operation temperature between 160 C and 180 C. However, starting HT-PEMFCs from room temperature to a proper operation temperature is a challenge in application where a fast start of the fuel cell is required such as in uninterruptible power supply systems. There are different methods to start-up HT-PEMFCs. Based on a 3D physical model of a single HT-PEMFC, the start-up process is analyzed by comparing the start-up duration of the different start-up concepts. Furthermore, the temperature distribution in the HT-PEMFC is also analyzed. Finally, an optimal start-up method is proposed for the given cell configuration. Copyright (C) 2014, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：19067 / 19078

页数：12

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