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Issue
Korean Journal of Chemical Engineering,
Vol.31, No.1, 50-55, 2014
Electrochemical properties related to the thickness control of the solid oxide fuel cell component layer using decalcomania paper
Cho HR, Choi BH, Roh KC, Ji MJ, Kim SW, Park SM
We fabricated anode-supported solid oxide fuel cells using decalcomania paper. To investigate the changes in thickness of the component layer and electrical properties in a unit cell, the number of layers of cathodes and the electrolyte decalcomania paper is changed. As a result, the thickness of the electrolyte and cathode layer regularly increases with an increase in the number of decalcomania papers attached. In addition, when only one electrolyte decalcomania paper is attached to an anode support, a tight and dense 8 μm electrolyte layer is obtained. A unit cell with a cathode thickness of 120 μm to which decalcomania paper is attached nine times is shown to have an open circuit voltage (OCV) of 1.08 V and a maximum power density (MPD) of 902 mW cm^(-2) at 800 ℃.
Keywords: Solid Oxide Fuel Cells; Decalcomania Method; Cathode Thickness; Cell Performance; Electrolyte Thickness
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