Numerical modeling and investigation of foreign cation contamination on the performance of proton exchange membrane fuel cells

被引：0
作者：
Li, Shian [1 ]
Zhang, Li [1 ]
Yang, Guogang [1 ]
Shen, Qiuwan [1 ]
机构：
[1] Dalian Maritime Univ, Marine Engn Coll, Dalian 116026, Peoples R China
来源：
IONICS | 2025年 / 31卷 / 08期
基金：
国家重点研发计划;
关键词：
PEMFCs; Cation contamination; Modeling and simulation; Performance degradation; DIFFUSION; TRANSPORT; WATER; LAYER; IMPACT; SPRAY; NACL; ION;
D O I：
10.1007/s11581-025-06432-9
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：
Proton exchange membrane fuel cells (PEMFCs) can be used as power sources in a wide variety of application scenarios due to the attractive advantages. Foreign cations introduced by air can cause a decrease in the output performance and durability of PEMFCs. In this study, a one-dimensional mathematical model is established to investigate the effect of foreign cation (Na+) contamination on the performance of PEMFCs. The performance degradation is observed due to the presence of Na+ and it becomes more severe with decreasing cell voltage. The maximum power density of the fuel cell without Na+ contamination (case 0) is 0.435 W/cm2, while the maximum power densities of the fuel cells with Na+ contamination (case 1, case 2, case 3, and case 4) are 0.385 W/cm2, 0.332 W/cm2, 0.275 W/cm2, and 0.206 W/cm2, respectively. In addition, the local transport processes are strongly affected in PEMFCs due to the cation contamination.
引用
收藏
页码：8211 / 8219
页数：9
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