The effect of wind environment on temperature and performance of an open-cathode proton exchange membrane fuel cell stack

IF 3 3区 工程技术 Q2 CHEMISTRY, ANALYTICAL Journal of Thermal Analysis and Calorimetry Pub Date : 2024-08-03 DOI:10.1007/s10973-024-13455-3
Changjian Wang, Hongsheng Ma, Shuqi Duan, Weiping Zhao
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Abstract

In practical applications, the proton exchange membrane (PEM) fuel cell stack is often exposed to wind environment, and the speed and direction of the ambient wind are random. The performance variation of an open-cathode PEM fuel cell under various ambient wind directions and speeds was studied. The results show that when the ambient wind direction is opposite to the cathode reactant or from the side of stack, the stack temperature increases and the stack power decreases finally. Moreover, with the increase in the wind speed, the running time of the stack is shortened significantly. For the ambient wind in the same direction as the cathode gas, the stack power increases at a high current and decreases at a low current. For the given speed and direction of ambient wind, the increased air flow rate of fan could alleviate the interference of ambient wind on the stack performance and temperature. However, while the stack temperature is more than the allowable maximum operating temperature, the stack power declines even though the air flow rate of fan increases.

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风环境对开式阴极质子交换膜燃料电池堆的温度和性能的影响
在实际应用中,质子交换膜(PEM)燃料电池堆经常暴露在风环境中,而环境风的速度和方向是随机的。研究了开阴极 PEM 燃料电池在不同环境风向和风速下的性能变化。结果表明,当环境风向与阴极反应物相反或来自电堆一侧时,电堆温度升高,电堆功率下降。此外,随着风速的增加,烟囱的运行时间也大大缩短。对于与阴极气体同方向的环境风,高电流时烟囱功率增大,低电流时烟囱功率减小。在给定的环境风速和风向下,增加风机的风量可减轻环境风对烟囱性能和温度的干扰。然而,当烟囱温度超过允许的最高工作温度时,即使风机的空气流速增加,烟囱功率也会下降。
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来源期刊
CiteScore
8.50
自引率
9.10%
发文量
577
审稿时长
3.8 months
期刊介绍: Journal of Thermal Analysis and Calorimetry is a fully peer reviewed journal publishing high quality papers covering all aspects of thermal analysis, calorimetry, and experimental thermodynamics. The journal publishes regular and special issues in twelve issues every year. The following types of papers are published: Original Research Papers, Short Communications, Reviews, Modern Instruments, Events and Book reviews. The subjects covered are: thermogravimetry, derivative thermogravimetry, differential thermal analysis, thermodilatometry, differential scanning calorimetry of all types, non-scanning calorimetry of all types, thermometry, evolved gas analysis, thermomechanical analysis, emanation thermal analysis, thermal conductivity, multiple techniques, and miscellaneous thermal methods (including the combination of the thermal method with various instrumental techniques), theory and instrumentation for thermal analysis and calorimetry.
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