Performance test of a 5 kW solid oxide fuel cell system under high fuel utilization with industrial fuel gas feeding
作者机构：National Institute of Clean-and-Low-Carbon EnergyBeijing 102209China Shenhua New Energy CompanyLtdBeijing 100007China Coal To Oil Branch CompanyNingxia Coal Industry GroupYinchuan 750411China
出 版 物：《International Journal of Coal Science & Technology》 (国际煤炭科学技术学报（英文）)
年 卷 期：2021年第8卷第3期
页 面：394-400页
核心收录：
基 金：This work was supported by the National Key R&D Program of China(2017YFB0601900)
主 题：Solid oxide fuel cell(SOFC) Integration gasification with fuel cell(IGFC) Gasification Stack tower
摘 要：As the demand for green energy with high efficiency and low carbon dioxide(CO2)emissions has increased,solid oxide fuel cells(SOFCs)have been intensively developed in recent *** gasification fuel cells(IGFCs)in particular show potential for large-scale power generation to further increase system ***,for commercial application of IGFCs,it is important to design reliable multi-stacks for large systems that show long-term stability and practical fuel gas for application to industrial *** this work,a test rig(of a 5 kW SOFC system,with syngas from industrial gasifiers as fuel)was fabricated and subjected to long-term tests under high fuel utilization to investigate its *** maximum steady output power of the system was 5700 W using hydrogen and 5660 W using syngas and the maximum steady electrical efficiency was 61.24%while the fuel utilization efficiency was 89.25%.The test lasted for more than 500 h as the fuel utilization efficiency was larger than 83%.The performances of each stack tower were almost identical at both the initial stage and after long-term *** 500 h operation,the performances of the stack towers decreased only slightly under lower current and showed almost no change under high *** results demonstrate the reliability of the multi-stack design and the prospect of this SOFC power-generation system for further enlarging its application in a MWth demonstration.
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