Proton-exchange membrane fuel cells with ejector-type anodic recirculation systems

被引：3
作者：
Yang, Zhuqiang [1 ]
Wang, Kun [1 ]
Xu, Youwei [2 ]
Li, Dongming [2 ]
Chen, Guiyin [2 ]
Lv, Ping [2 ]
Zhang, Bo [1 ,3 ]
机构：
[1] Dalian Univ Technol, Sch Energy & Power Engn, Liaoning Key Lab Complex Energy Convers & Utilizat, Dalian 116024, Peoples R China
[2] Sunrise Power Co Ltd, Dalian 116085, Peoples R China
[3] Dalian Univ Technol, Ningbo Inst, Ningbo 315000, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2024年 / 96卷
基金：
中国国家自然科学基金;
关键词：
Ejector; Dual-ejector system; Anodic recirculation system; Proton-exchange membrane fuel cell; PERFORMANCE; DESIGN; OPTIMIZATION; MODEL; SIMULATION; PURGE; FLOW;
D O I：
10.1016/j.ijhydene.2024.11.356
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：
Based on 150-kW fuel cell data and from the perspective of the anodic recirculation system (ARS) structure, this study added additional hydrogen recirculation components to meet the low-power hydrogen supply and recirculation of high-power stacks. Three different ARSs, namely, a parallel system, series system, and dual-ejector system, were established and integrated with the fuel cell. The ejector condensation model was established in this study because of the self-humidification function of high-power stacks. It was found that the parallel, series, and dual-ejector systems could achieve 5-100% power output of the stack and significantly decrease the power consumption of the hydrogen pump. In comparison to the series system, the parallel system exhibits a 15.8% improvement in stoichiometric ratio and a 14.8% enhancement in hydrogen recirculation ratio. The doubleejector system could reduce costs and increase the net output power of a proton-exchange membrane fuel cells (PEMFC) system by using an ejector instead of a hydrogen pump. In addition, the stoichiometric ratio of the dual-ejector system exhibits a 5.9% increase compared to that of the parallel system. Therefore, the dual-ejector system was the most promising.
引用
收藏
页码：408 / 418
页数：11
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