Design and modeling of PEM fuel cell based on different flow fields

被引：31

作者：

Pan, Mingzhang ^{[1
]}

Li, Chao ^{[1
]}

Liao, Jinyang ^{[1
]}

Lei, Han ^{[1
]}

Pan, Chengjie ^{[1
]}

Meng, Xianpan ^{[1
]}

Huang, Haozhong ^{[1
]}

机构：

[1] Guangxi Univ, Coll Mech Engn, Guangxi Key Lab Mfg Syst & Adv Mfg Technol, Nanning 530004, Peoples R China

来源：

ENERGY | 2020年 / 207卷

基金：

中国国家自然科学基金;

关键词：

Fuel cells; Model development; Different flow fields; Ohmic overpotentials; CATALYZED ELECTRODES; PORE STRUCTURE; PERFORMANCE; PARAMETERS; TRANSPORT; COEFFICIENT; VALIDATION; MANAGEMENT;

D O I：

10.1016/j.energy.2020.118331

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

It is necessary to investigate the designs of model to maximize the performance of proton exchange membrane fuel cell (PEMFC). In this study, a novel design and modeling method are proposed based on different flow fields. The proposed model considers the voltage losses caused by the current leakage, gas crossover, and by-product pollution. A regression analysis is conducted to study the influence of the working conditions on the accuracy. Final results showed that the coefficient of determination increased both from 0.977 to 0.952 to 0.998 at 50 degrees C and 70 degrees C, respectively. The prediction accuracy for the open-circuit voltage and low-current density is significantly improved. In addition, the prediction accuracy of different impedance materials decreases with increasing temperature and pressure. (C) 2020 Elsevier Ltd. All rights reserved.

引用

页数：13

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