In situ measurement of temperature distribution in proton exchange membrane fuel cell I a hydrogen-air stack

被引：73

作者：

Pei, Houchang ^{[1
]}

Liu, Zhichun ^{[1
]}

Zhang, Haining ^{[2
]}

Yu, Yi ^{[2
]}

Tu, Zhengkai ^{[2
]}

Wan, Zhongmin ^{[1
,3
]}

Liu, Wei ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Sch Energy & Power Engn, Wuhan 430074, Peoples R China

[2] Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China

[3] Hunan Inst Sci & Technol, Coll Informat Engn, Yueyang 414006, Peoples R China

来源：

JOURNAL OF POWER SOURCES | 2013年 / 227卷

基金：

美国国家科学基金会;

关键词：

Proton exchange membrane fuel cell; Temperature distribution; Thermocouples; Stack; THERMAL MANAGEMENT; PEMFC; PERFORMANCE; GAS; PROFILES; HUMIDITY; SENSORS; SYSTEMS; WATER; FIELD;

D O I：

10.1016/j.jpowsour.2012.11.027

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：

Temperature mapping is measured by micro-thermocouples embedded into the cathode plate of the model cell. The effects of different operation conditions on temperature distribution are investigated in detail. The results show that the temperature of the stack turns on "Parabola" distribution, and the temperature increases along the flow field from the inlet to the outlet under various conditions. Temperature difference of the single cell in the stack increases with the increased operation current density, and decreases with the increased air flow rate. The effect of the inlet air temperature on the temperature difference can be neglected in the stack, and the temperature uniformity can be improved by increasing the mass flow rate of the coolant water. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：72 / 79

页数：8

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