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Investigation of the hazards of local reverse polarization in fuel cells: Prediction based on electrochemical impedance spectroscopy

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成果类型:
期刊论文
作者:
Liu, Hao;Pei, Houchang;Xing, Lu;Chang, Huawei;Tu, Zhengkai
通讯作者:
Pei, HC
作者机构:
[Liu, Hao; Pei, HC; Pei, Houchang] Wuhan Polytech Univ, Sch Mech Engn, Wuhan 430048, Peoples R China.
[Xing, Lu] Northumbria Univ, Mech & Construct Engn, Newcastle Upon Tyne NE1 8ST, England.
[Chang, Huawei; Tu, Zhengkai] Huazhong Univ Sci & Technol, Sch Energy & Power Engn, Wuhan 430074, Peoples R China.
通讯机构:
[Pei, HC ] W
Wuhan Polytech Univ, Sch Mech Engn, Wuhan 430048, Peoples R China.
语种:
英文
关键词:
Proton exchange membrane fuel cells;Localized reverse polarity;Electrochemical impedance spectroscopy;Life time
期刊:
Energy Conversion and Management
ISSN:
0196-8904
年:
2025
卷:
342
页码:
120124
基金类别:
CRediT authorship contribution statement Hao Liu: Writing – original draft, Data curation. Houchang Pei: Project administration, Methodology, acquisition. Lu Xing: Writing – review & editing, Formal analysis. Huawei Chang: Validation, Investigation. Zhengkai Tu: Supervision, Resources.
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:
Localized reverse polarity (LRP) in proton exchange membrane fuel cells (PEMFCs) poses a critical degradation challenge by inducing localized redox reactions that compromise catalyst layer integrity and membrane conductivity, yet conventional voltage monitoring fails to detect its concealed electrochemical anomalies in real-time. Given the urgency of PEMFCs in sustainable energy transitions for decarbonizing transportation and stationary power systems, addressing LRP-driven degradation is vital to enhancing durability, efficiency, and safety, thereby reducing lifecycle costs and environmental ...

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