Nejc Mlakar, Andrej Lotrič, M. Sekavčnik, M. Mori, Samuel Simon Araya, S. J. Andreasen, Jakob Rabjerg Vang
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引用次数: 0
摘要
本文的目的是在工作温度160 $^{\circ}\mathbf{C}$和电流密度0.4 a cm-2的情况下，确定加速启停循环方案对高温聚合物电解质膜燃料电池性能的影响。分析和讨论了200次启停循环的降解率。结果得到了极化曲线和电化学阻抗谱的支持。在200个启停循环中，总体退化为-49 mV，每个循环的平均退化率为-0.25 mV。
Evaluation of performance degradation of high temperature proton exchange membrane fuel cells using a simple start-stop testing protocol
The objective of this paper is to determine the effect of accelerated start-stop cycling protocol on a high temperature polymer electrolyte membrane fuel cell performance under operating temperature of 160 $^{\circ}\mathbf{C}$ and current density of 0.4 A cm-2. The degradation rates during 200 start-stop cycles are analysed and discussed. The results are supported by polarization curves and electrochemical impedance spectroscopy. The overall degradation over 200 start-stop cycles is -49 mV and the average degradation rate per one cycle is -0.25 mV.
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