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http://dx.doi.org/10.5229/JKES.2003.6.1.041

Development of Anode-supported Planar SOFC with Large Area by tape Casting Method  

Yu, Seung-Ho (Advanced Fuel Cell Research Team, Korea Institute of Energy Research)
Song, Keun-Suk (Advanced Fuel Cell Research Team, Korea Institute of Energy Research)
Song, Hee-Jung (Advanced Fuel Cell Research Team, Korea Institute of Energy Research)
Kim, Jong-Hee (Advanced Fuel Cell Research Team, Korea Institute of Energy Research)
Song, Rak-Hyun (Advanced Fuel Cell Research Team, Korea Institute of Energy Research)
Jung, Doo-Hwan (Advanced Fuel Cell Research Team, Korea Institute of Energy Research)
Peck, Dong-Hyun (Advanced Fuel Cell Research Team, Korea Institute of Energy Research)
Shin, Dong-Ryul (Advanced Fuel Cell Research Team, Korea Institute of Energy Research)
Publication Information
Journal of the Korean Electrochemical Society / v.6, no.1, 2003 , pp. 41-47 More about this Journal
Abstract
For the development of low temperature anode-supported planar solid oxide fuel cell, the planar anode supports with the thickness of 0.8 to 1 mm and the area of 25, 100 and $150\;cm^2$ were fabricated by the tape casting method. The strength, porosity, gas permeability and electrical conductivity of the planar anode support were measured. The porosity of anode supports sintered at $1400^{\circ}C$ and then reduced in$H_2$ atmosphere was increased from $45.8\%\;to\;53.9\%$. The electrical conductivity of the anode support was $900 S/cm\;at\; 850^{\circ}C$ and its gas permeability was 6l/min at 1 atm in air atmosphere. The electrolyte layer and cathode layer were fabricated by slurry dip coating method and then had examined the thickness of $10{\mu}m$ and the gas permeability of 2.5 ml/min at 3 atm in air atmosphere. As preliminary experiment, cathode multi-layered structure consists of LSM-YSZ/LSM/LSCF. At single cell test using the electrolyte layer with thickness of 20 to $30{\mu}m$, we achieved $300\;mA/cm^2$ and 0.6V at $750^{\circ}C$
Keywords
Tape casting; Electrolyte; Sluny dip coating; Anode-supported planar SOFC;
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