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Sensitivity and Stability Study of Test Conditions for a 1 kW Proton Exchange Membrane Fuel Cell Stack

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العنوان: Sensitivity and Stability Study of Test Conditions for a 1 kW Proton Exchange Membrane Fuel Cell Stack
المؤلفون: Peng Xu, Yingmin Yi, Weijie Wang, Meng Xie, Yiwei Yuan
المصدر: Membranes, Vol 14, Iss 9, p 197 (2024)
بيانات النشر: MDPI AG, 2024.
سنة النشر: 2024
المجموعة: LCC:Chemical technology
LCC:Chemical engineering
مصطلحات موضوعية: proton exchange membrane fuel cell stack, assembly force, sensitivity of test conditions, optimal test parameters, stability, Chemical technology, TP1-1185, Chemical engineering, TP155-156
الوصف: This study investigates the impact of compression force on stack performance and the effect of testing conditions on sensitivity of stack performance. It explores the variation of assembly force on the pressure distribution at different positions in a 1 kW proton exchange membrane fuel cell stack. Polarization curves and high-frequency resistance (HFR) changes of the stack were measured under different assembly forces, and the optimal assembly force of the stack was determined using the average single-cell voltage (HFR-free). The sensitivity of testing conditions was optimized, and the optimum test parameters at different current densities were identified within the selected range. Stack stability was tested at different current densities using the optimized test conditions, and the sensitivity of test conditions was verified by the fluctuation amplitude of single cell voltage and internal impedance.
نوع الوثيقة: article
وصف الملف: electronic resource
اللغة: English
تدمد: 2077-0375
Relation: https://www.mdpi.com/2077-0375/14/9/197; https://doaj.org/toc/2077-0375
DOI: 10.3390/membranes14090197
URL الوصول: https://doaj.org/article/0cb7e5200e4e492a90d0b3b53b392d87
رقم الانضمام: edsdoj.0cb7e5200e4e492a90d0b3b53b392d87
قاعدة البيانات: Directory of Open Access Journals
الوصف
تدمد:20770375
DOI:10.3390/membranes14090197