Exergetic Performance Coefficient Analysis and Optimization of a High-Temperature Proton Exchange Membrane Fuel Cell

被引：13

作者：

Li, Dongxu ^{[1
]}

Li, Yanju ^{[1
]}

Ma, Zheshu ^{[1
]}

Zheng, Meng ^{[1
]}

Lu, Zhanghao ^{[1
]}

机构：

[1] Nanjing Forestry Univ, Coll Automobile & Traff Engn, Nanjing 210037, Peoples R China

来源：

MEMBRANES | 2022年 / 12卷 / 01期

基金：

中国国家自然科学基金;

关键词：

HT-PEMFC; exergetic performance coefficient; performance optimization; ECOLOGICAL PERFORMANCE; POWER PRODUCTION; SYSTEM; THERMODYNAMICS; STRATEGIES; CATALYST; ENERGY;

D O I：

10.3390/membranes12010070

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Performance of a high-temperature proton exchange membrane fuel cell (HT-PEMFC) and the influence of different parameters on HT-PEMFC is analyzed in this study. Firstly, mathematical expression for energy efficiency, power density, exergy destruction and exergetic performance coefficient (EPC) are derived. Then, the relationship between the dimensionless power density, exergy destruction rate, exergetic performance coefficient (EPC) and energy efficiency is compared. Furthermore, the effect of flow rate, doping level, inlet pressure and film thickness are considered to evaluate the performance of HT-PEMFC. Results show that EPC not only considers exergetic loss rate to minimize exergetic loss, but also considers the power density of HT-PEMFC to maximize its power density and improve its efficiency, so EPC represents a better performance criterion. In addition, increasing inlet pressure and doping level can improve EPC and energy efficiency, respectively.

引用

页数：13

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