The thermal effect in direct carbon solid oxide fuel cells

被引：33
|
作者：
Xu, Haoran [1 ]
Chen, Bin [1 ]
Zhang, Houcheng [1 ,2 ]
Kong, Wei [1 ,3 ]
Liang, Bo [4 ]
Ni, Meng [1 ]
机构：
[1] Hong Kong Polytech Univ, Bldg Energy Res Group, Dept Bldg & Real Estate, Kowloon, Hong Kong, Peoples R China
[2] Ningbo Univ, Dept Microelect Sci & Engn, Ningbo 315211, Zhejiang, Peoples R China
[3] Jiangsu Univ Sci & Technol, Sch Energy & Power Engn, Zhenjiang 212003, Peoples R China
[4] Guangdong Univ Technol, Sch Mat & Energy, Guangzhou 510006, Guangdong, Peoples R China
来源：
APPLIED THERMAL ENGINEERING | 2017年 / 118卷
基金：
美国国家科学基金会;
关键词：
Solid oxide fuel cell (SOFC); Temperature; Mathematical modeling; Direct carbon fuel cell (DCFC); THERMODYNAMIC ANALYSIS; ELECTRICAL-POWER; PERFORMANCE; STEAM; GASIFICATION; HYDROGEN; COGENERATION; DIOXIDE; CO;
D O I：
10.1016/j.applthermaleng.2017.03.027
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
In this paper, the thermal effect in a tubular direct carbon solid oxide fuel cell (DC-SOFC) is studied with a numerical model. After model validation, parametric simulations are carried out to study the effects of operating and structural parameters on the thermal behaviors of DC-SOFCs. It is found that the thermal behaviors of DC-SOFC greatly depends on operating parameters and the temperature field in DC-SOFC is highly non-uniform. The position of peak temperature in the cell is highly dependent on the operating potential. In addition, a smaller distance between the carbon bed and the anode is beneficial for improving the temperature uniformity in the DC-SOFC. The breakdown of heat generation/consumption in DCSOFC shows that the anode processes contribute the most to the temperature variation in the cell. The results of this study form a solid foundation for better thermal management of DC-SOFC. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：652 / 662
页数：11
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