Natural-forced cooling and Monte-Carlo multi-objective optimization of mechanical and thermal characteristics of a bipolar plate for use in a proton exchange membrane fuel cell

被引:34
作者
Barnoon, Pouya [1 ]
Toghraie, Davood [1 ]
Mehmandoust, Babak [1 ]
Fazilati, Mohammad Ali [1 ]
Eftekhari, S. Ali [1 ]
机构
[1] Islamic Azad Univ, Dept Mech Engn, Khomeinishahr Branch, Khomeinishahr, Iran
关键词
Cooling; Bipolar plate; Optimization; PEM fuel cell; Mechanical; PERFORMANCE; RESISTANCE; DESIGN; FLOWS; PHASE;
D O I
10.1016/j.egyr.2022.01.199
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Proton exchange membrane fuel cells (PEMFCs) (as they operate below 100 C) must be heated when operating. The heating must be controlled not to damage the fuel cell. On the other hand, pressure from the plates and connections can cause stress and displacement. This study aimed to examine cooling, stress, and displacement from a bipolar plate under different ambient conditions (natural and forced cooling). To minimize temperature, stress, and displacement, multi-objective optimization is carried out under different conditions and the best thickness and number of plates are determined. Findings suggest as the number and thickness of bipolar plates increase, their temperature decreases. Also, using forced cooling, the temperature can reduce to more than 30 K. Moreover, optimization results can include the best temperature, minimum stress, and displacement to increase the life of the bipolar plate. Findings also suggested that natural cooling can be used to significantly increase the temperature of the bipolar plate in less time, which, however, may produce hazards to the system. (c) 2022 The Author(s). Published by Elsevier Ltd.
引用
收藏
页码:2747 / 2761
页数:15
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