Hamed Mohebi
Renewable Energy Department, Niroo Research Institute (NRI), Tehran, Iran
[ 1 ] - Experimental Investigation of a Solid Oxide Fuel Cell Stack using Direct Reforming Natural Gas
In this study, a solid oxide fuel cell (SOFC) stack has been successfully fabricated and tested by using direct natural gas. The main objective of this research was to achieve optimal long-term performance of the SOFC stack without carbon deposition by using low-cost natural gas as a fuel. The stack configuration was improved by a new interconnect design and made of cost-effective raw materials...
[ 2 ] - Study on appropriate and modified conditions for flash sintering process by simulation modeling
Flash sintering is one of the newest techniques for sintering ceramics to near full density. It occurs in an appropriate combination of temperature and electric field. Temperature measurement is one of the most serious challenges in this process. In the present study, we tried to model a flash sintering process of 8YSZ and 3YSZ with finite element method to make an assessment for temperature di...
[ 3 ] - Effect of Current Density, Temperature, and Contact Paste on Flash Sintered 8YSZ
Flash sintering has been investigated as a modern sintering method through examining the effect of processing parameters such as current density, temperature, and contact paste on the flash sintered 8YSZ characteristic. 95% of theoretical density was achieved at 800°С in 30sec with a field intensity of 100V.cm-1 and a current density of 160mA.mm-2. Such relative density in conventional sinterin...
[ 4 ] - The Effect of Process Parameters on the Apparent Defects of Tape-Cast SOFC Half-Cell
Using flawless components are important for a proper material selection and best working conditions to achieve the best performance of solid oxide fuel cells (SOFCs). Tape casting is the most used process for the fabrication of SOFC parts, especially anode and electrolyte due to its advantages regarding the other processes. In this study, the effect of slurry composition and milling time were s...
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