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http://dx.doi.org/10.4191/KCERS.2007.44.1.720

Single Cell Stacked Planar Type SOFC Assembled Using a Ag-Current Collector  

Cho, Nam-Ung (Fuel Cell Projet, Research Institute of Industrial Science and Technology(RIST))
Hwang, Soon-Cheol (Fuel Cell Projet, Research Institute of Industrial Science and Technology(RIST))
Lee, In-Sung (Fuel Cell Projet, Research Institute of Industrial Science and Technology(RIST))
Publication Information
Abstract
Current collectors of SOFC play a significant role on the performance of power generation. In this study a single cell stacked SOFC was assembled using Ag-mesh as a cathode current collector, and evaluated its performance. No gas leakages of the single cell stack occurred in the tests of gas detection and OCV measurement. The OCV and initial power of the stack were 1.09V and $0.45W/cm^2$, respectively, under the flow rates of air at 2,500 cc/min and $H_2$ at 1,000 cc/min at the test temperature of $750^{\circ}C$. A degradation rate of 44.0% was measured during the prolonged time of 307 h. The relatively low durability of the tested single cell stack was found to be the evaporation of Ag-mesh at the current corrector.
Keywords
Solid Oxide Fuel Cell (SOFC); Metallic interconnects; Current collector; Stack performance;
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