A review of heat transfer and thermal management methods for temperature gradient reduction in solid oxide fuel cell (SOFC) stacks

Zezhi Zeng, Yuping Qian, Yangjun Zhang*, Changkun Hao, Dan Dan, Weilin Zhuge

*此作品的通讯作者

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摘要

Solid oxide fuel cell (SOFC) stacks are promising power generation devices due to their high efficiency and flexible fuel capability. Recent application of SOFC stacks has shifted from stationary electricity generation into powering vehicles and airplanes. The start-up process of compact SOFC stacks for mobile power systems requires a rapid temperature rise from 20 °C to approximately 800 °C. Effective thermal management systems are necessary for the stable start-up process as well as stable operations of SOFC stacks. This paper presents a detailed review on the heat transfer studies of SOFC and the associated thermal management methods. Previous studies have indicated that the temperature gradient in the SOFC could lead to delamination and cracks in the electrolyte and electrode. Thus, we listed the temperature gradient for different types of SOFC and summarized the commonly used thermal management methods for temperature gradient reduction in SOFC stacks, such as designing proper gas channels, using effective flow arrangements, integrating heat pipes into interconnects, and adjusting fuel compositions. The suggestions for future studies related to thermal management of SOFC are also provided. This review helps improve our understanding of the heat transfer mechanisms in SOFC and inspire researchers to design effective thermal management systems for SOFC stacks.

源语言英语
文章编号115899
期刊Applied Energy
280
DOI
出版状态已出版 - 15 12月 2020
已对外发布

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Zeng, Z., Qian, Y., Zhang, Y., Hao, C., Dan, D., & Zhuge, W. (2020). A review of heat transfer and thermal management methods for temperature gradient reduction in solid oxide fuel cell (SOFC) stacks. Applied Energy, 280, 文章 115899. https://doi.org/10.1016/j.apenergy.2020.115899