A coupling approach between metallic bipolar plates corrosion and membrane chemical degradation in the proton exchange membrane fuel cells

被引：17
作者：
Elferjani, I. [1 ,2 ]
Serre, G. [2 ]
Ter-Ovanessian, B. [1 ]
Normand, B. [1 ]
机构：
[1] Univ Lyon, INSA LYON, MATEIS UMR CNRS 5510, F-69621 Villeurbanne, France
[2] CEA, LITEN, DEHT, F-38054 Grenoble, France
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2021年 / 46卷 / 63期
关键词：
Proton exchange membrane fuel cell; Bipolar plates' corrosion; Ionic transport; Fenton mechanism; Membrane degradation modelling; Coupling model; CATALYST COATED MEMBRANES; HYDROGEN-PEROXIDE; STAINLESS-STEEL; EX-SITU; DURABILITY; MODEL; PERFORMANCE; MITIGATION; MECHANISMS; CATHODE;
D O I：
10.1016/j.ijhydene.2021.06.215
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：
The Nafion membrane's chemical degradation by the Fenton mechanism involves the presence of ferrous ions Fe2+ but the detrimental concentration is not well known. These ions could be generated either from the balance of plant or from the bipolar plates' corrosion. As an attempt to describe the link between the two mechanisms, the membrane's degradation and the bipolar plates' corrosion were investigated. Our work is based on experimental and modelling approaches. We start with a parametric corrosion study allowing the determination of the Fe2+ flux using a Look-Up Table. The second step is the modelling of the Fe2+ effect on the membrane degradation. The third is the modelling of ionic species transport between the bipolar plates and the membrane. The final coupled degradation model is implemented in a PEMFC performance simulator based on the Matlab/Simulink (R) platform. The model is used to simulate the degradation mechanism during NEDC (New European Driving Cycle). (C) 2021 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：32226 / 32241
页数：16
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