Thermo-electrical instabilities arising in proton exchange membrane of fuel cell

被引：4
作者：
Bograchev, D. A. [2 ]
Martemianov, S. [1 ]
机构：
[1] Univ Poitiers, Dept Fluides, Branche Fluides, ESIP,ENSMA,CNRS,Inst Pprimme UPR,CNRS 3346, F-86022 Poitiers, France
[2] Russian Acad Sci, Frumkin Inst Phys Chem & Electrochem, Moscow 119071, Russia
来源：
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2011年 / 54卷 / 13-14期
关键词：
Fuel cell; Heat management; Proton exchange membrane; Stability; PLASTIC-DEFORMATION; DURABILITY; PERFORMANCE; STRESSES; MODEL; HEAT; MASS; MEA;
D O I：
10.1016/j.ijheatmasstransfer.2011.02.046
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A thermo-electrical model of fuel cell proton exchange membrane is developed and the stability of the system is studied. The marginal curves have been obtained as a function of governed dimensionless parameters. The determined dimensionless parameters allow analyzing different scenarios of non-controlled membrane heating. It has been shown that a positive thermo-electrical feedback can cause instability development and membrane damage in real systems. Recommendations for the improvement of heat management in fuel cells have been proposed using the provided stability study. In particular, it has been demonstrated that decreasing of gas diffusion layer thickness has positive effect and stabilizes the system. (C) 2011 Elsevier Ltd. All rights reserved.
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收藏
页码：3024 / 3030
页数：7
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