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Experimental study on current density distribution characteristics in a novel oxygen recirculation system of dead-ended proton exchange membrane fuel cell

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成果类型:
期刊论文
作者:
Liu, Zhangda;Pei, Houchang;Sun, Liangbo;Wang, Beihai;Xing, Lu
通讯作者:
Pei, HC
作者机构:
[Pei, HC; Wang, Beihai; Pei, Houchang; Liu, Zhangda; Sun, Liangbo] Wuhan Polytech Univ, Sch Mech Engn, 36 Huanhu Middle Rd, Wuhan 430048, Hubei, Peoples R China.
[Xing, Lu] Northumbria Univ, Mech & Construct Engn, Newcastle Upon Tyne, England.
通讯机构:
[Pei, HC ] W
Wuhan Polytech Univ, Sch Mech Engn, 36 Huanhu Middle Rd, Wuhan 430048, Hubei, Peoples R China.
语种:
英文
关键词:
Dead-ended PEMFC;oxygen circulation;water management;density distribution
期刊:
International Journal of Green Energy
ISSN:
1543-5075
年:
2025
卷:
22
期:
1
页码:
156-167
机构署名:
本校为第一且通讯机构
院系归属:
机械工程学院
摘要:
Dead-ended proton exchange membrane fuel cells (PEMFCs) using pure hydrogen and oxygen can improve fuel efficiency and cell performance, making them widely applicable in enclosed spaces. However, dead-ended PEMFCs are prone to flooding, which reduces cell performance and service life. To address this issue, an oxygen recirculation system utilizing oscillating flow generated by pressure differences is designed in this study. This system not only achieves close to 100% fuel utilization but also optimizes water management and enhances current density uniformity. The optimal oxygen cycling conditi...

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