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Development of a one-dimensional and semi-empirical model for a high temperature proton exchange membrane fuel cell

机译:高温质子交换膜燃料电池的一维和半经验模型的建立

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High temperature proton exchange membrane fuel cells (HT-PEMFC), which operate between 160 degrees C and 200 degrees C, can be generally used in portable and stationary power generation applications. In this study, a one-dimensional, semi-empirical, and steady-state model of a HT-PEMFC fed with a gas mixture consisting of hydrogen and carbon monoxide is developed. Some modeling parameters are adjusted using empirical data, which are obtained conducting experiments on a HT-PEMFC for different values of Pt loading and cell temperature. For adjusting these parameters, the total summation of the square of the difference between the cell voltages found using the experimental and theoretical methods is minimized using genetic algorithm. After finding the values of the adjusted parameters, the effects of different cell temperature, Pt loading, phosphoric acid (PA) percentage, and different binders (PBI and PVDF) on the performance of the fuel cell are examined. It was found that, the performance of the fuel cell using PVDF binder exhibited better performance as compared to that using PBI binder.
机译:在160摄氏度至200摄氏度之间运行的高温质子交换膜燃料电池(HT-PEMFC)通常可用于便携式和固定式发电应用中。在这项研究中,建立了由氢和一氧化碳组成的气体混合物供料的HT-PEMFC的一维,半经验和稳态模型。使用经验数据调整一些建模参数,这些经验数据是在HT-PEMFC上针对Pt负载和电池温度的不同值进行实验获得的。为了调整这些参数,使用遗传算法将使用实验方法和理论方法发现的电池电压之间的差平方的总和最小化。找到调整后的参数值后,检查了不同电池温度,Pt负载,磷酸(PA)百分比和不同粘合剂(PBI和PVDF)对燃料电池性能的影响。已经发现,与使用PBI粘合剂相比,使用PVDF粘合剂的燃料电池的性能表现出更好的性能。

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