Energy and Parameter Analysis of SOFC System for Hydrogen Production from Methane Steam Reforming

被引:10
作者
Deng Meilong [1 ]
Liu Jinyi [1 ]
Zhang Xiaosong [1 ]
Li Jinsong [1 ]
Fu Lirong [1 ]
机构
[1] Hainan Univ, Sch Mech & Elect Engn, Haikou 570228, Hainan, Peoples R China
基金
中国国家自然科学基金;
关键词
SOFC; methane steam reformer; hydrogen; mathematical model; system optimization; OXIDE FUEL-CELL; ORGANIC RANKINE-CYCLE; THERMODYNAMIC ANALYSIS; MATHEMATICAL-MODEL; CARBON-DIOXIDE; COMBINED POWER; HEAT-TRANSFER; CCHP SYSTEM; GAS; PERFORMANCE;
D O I
10.1007/s11630-022-1676-8
中图分类号
O414.1 [热力学];
学科分类号
摘要
In this paper, an integrated system of solid oxide fuel cell (SOFC) and methane steam reforming for hydrogen production is proposed. The mathematical model of the coupled integrated system is studied by COMSOL and Aspen software, and the energy analysis of the integrated system is carried out. The system recovers and reuses the waste heat of the SOFC stack through the heat exchanger, which can realize the cascade efficient use of energy. By adjusting the different reforming temperatures, steam-to-carbon ratio and SOFC operating temperature of methane steam reforming to produce hydrogen, the parameters that have a greater impact on the system are studied. The research results show that as the steam-to-carbon ratio and reformer operating temperature increase, the net output power and efficiency of the system increase. When the fuel cell operating temperature is 800 degrees C, the output power and efficiency of the system reach the maximum values of 899.93 W and 52.52%, respectively. Increasing the operating temperature of SOFC helps to improve the efficiency of fuel cells, but the efficiency of the integrated system of methane steam reforming hydrogen production and SOFC first increases and then decreases. This system can realize the direct coupling between the SOFC reactor subsystem and the methane steam reforming hydrogen production system under optimized conditions, which has reference significance for the actual operating conditions of the coupled system.
引用
收藏
页码:2088 / 2110
页数:23
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