Characteristic simulation and numerical investigation of membrane electrode assembly in proton exchange membrane fuel cell

被引：6
|
作者：
Huang, Pei-Hsing [1 ]
Kuo, Jenn-Kun [2 ]
Chung, Shang-Shu [2 ]
机构：
[1] Natl Yunlin Univ Sci & Technol, Dept Mech Engn, Yunlin 64002, Taiwan
[2] Natl Univ Tainan, Dept Greenergy, Tainan 70005, Taiwan
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2022年 / 47卷 / 88期
关键词：
Proton exchange membrane fuel cell  (PEMFC); Numerical; Permeability; Porosity; Mass fraction; Electrochemical reaction; FLOW; CATHODE; MODEL; TRANSPORT;
D O I：
10.1016/j.ijhydene.2021.07.098
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
This study analyzes the characteristic numerical analysis of membrane electrode assembly in Proton Exchange Membrane Fuel Cell (PEMFC) with bipolar plate, flow channel, gas diffusion electrode, and proton exchange membrane. The numerical solution focuses on discussing the effects of different parameters, including permeability, porosity, and oper-ation voltage, on various mass fractions, current-voltage curve, and power-voltage curve.The results show that as the porous medium with high gas permeability is an important factor that affects the mass fraction of hydrogen. Regarding the analyses of various po-rosities, the fuel cell performance can be effectively promoted with larger ratio of porosity and permeability. However, increasing the porosity will affect the electrical conductivity and increase the flooding of water, which will block the flow channel and reduce efficiency.(c) 2021 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：37577 / 37586
页数：10
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