Influence of fuel flow rate on the performance of micro tubular solid oxide fuel cell. (5th May 2020)

• Record Type: Journal Article
• Authors: Cui, Daan; Ji, Yulong; Chang, Chao; Wang, Zhe; Xiao, Xiu
• Is Part Of: International journal of hydrogen energy. Volume 45:Number 24(2020)
• Page Start: 13459
• Page End: 13468
• Publication Date: 2020-05-05
• Subjects: Solid oxide fuel cell -- Micro-tube -- Modeling -- Flow rate -- Cell geometry; Hydrogen as fuel -- Periodicals; Hydrogène (Combustible) -- Périodiques; Hydrogen as fuel; Periodicals; 665.81
• DOI: 10.1016/j.ijhydene.2020.03.042
• Languages: English
• ISSNs: 0360-3199

Abstract

Abstract: Through mathematical analysis, the performance of micro tubular solid oxide fuel cell (SOFC) is evaluated successfully, which is in good agreement with the experimental data under different fuel flow. The results show that under the condition of high fuel utilization, a part of current path passing through the anode can increase by 16% compared with that under the condition of low fuel utilization, which can reduce the output performance of the cell. In the process of increasing fuel flow, the current gradually increases and reaches the platform value. When the length of cathode is long and the inner diameter of anode is small, the loss can be effectively reduced by changing the thickness of anode tube. Highlights: A 2D model has been developed for anode-supported micro tubular solid oxide fuel cells. At high fuel utilization, the current path through the anode becomes longer. The current gradually increases and reaches the platform value in the process of increasing fuel flow. Effect of fuel flow rate on the performance of the cell is more significant at low voltage.