The Effect of Morphology of SOFC Layers Made by ۳D Printer on the Electrochemical Properties of the Cell
Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JMATPR-9-4_003
تاریخ نمایه سازی: 16 اسفند 1400
Abstract:
The microstructure and properties of solid oxide fuel cell (SOFC) connected to the fabrication process are discussed in this paper. In this research, we investigate the relationship between electrochemical performance in solid oxide fuel cells and the evolution of the morphology of its electrodes. This work fabricated a planar multilayer anode-supported, anode functional layer (AFL), electrolyte, and cathode solid oxide fuel cell through slurry-based ۳D printing. After drying and sintering, scanning electron microscope (SEM) images a multilayer porous structure with large pores up to several microns and smaller pores of ۱۰۰ nm, and the constituent particles' microstructure for anode-cathode layers were observed. The electrolyte layer structure was dense and without pores. In the study of electrochemical properties, the maximum power density at the output voltage of ۰.۵ V was achieved at ۰.۸۴ W/cm۲ at an open-circuit voltage (OCV) of ۱.۰۶ V at ۸۰۰ °C with H۲ gas as fuel. The impedance curve values under open-circuit voltage were ۰.۲۳ V and ۱.۲۵ V at high and low frequencies, respectively.
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Authors
Keyvan Mirzaee Fashalameh
۱ Department of Materials Science and Engineering, Shiraz University, Shiraz, Iran ۲ Department of Engineering, payam Noor University (PNU), Tehran, Iran
Zahra Sadeghian
Research Institute of Petroleum Industry (RIPI), Tehran, Iran
Ramin Ebrahimi
Department of Materials Science and Engineering, Shiraz University, Shiraz, Iran
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