500W-Class Solid Oxide Fuel Cell (SOFC) Stack Operating with CH4 at 650oC Developed by Korea Institute of Science and Technology (KIST) and Ssangyong Materials

Title
500W-Class Solid Oxide Fuel Cell (SOFC) Stack Operating with CH4 at 650oC Developed by Korea Institute of Science and Technology (KIST) and Ssangyong Materials
Authors
윤경중박정용박선영박수병김혜령이종호제해준김병국손지원이해원이준황일두김재육
Issue Date
2012-06
Publisher
10th European SOFC Forum
Citation
VOL 10, NO A1210, 77-81
Abstract
We demonstrated a 500W-class SOFC stack employing anode-supported planar cells, stainless steel-based metallic interconnects, and glass-filler composite sealants for intermediate-temperature operation (~650oC). The stack was composed of 24 cells with the area of 10 x 10 cm2, and the single cells consisted of Ni - yttria-stabilized zirconia (YSZ) cermet anode, scandia-stabilized zirconia (ScSZ) electrolyte, gadolinia-doped ceria (GDC) interlayer, and Sr-doped lanthanum cobaltite (LSC) / GDC composite cathode. The stack exhibited the open circuit voltage close to the theoretical value at 650oC, which indicated the excellent sealing characteristics of the glass-filler composite system optimized for intermediate-temperature operation. It provided stable power output of over 500W with H2 and CH4 fuel at 650oC.
URI
http://pubs.kist.re.kr/handle/201004/49352
Appears in Collections:
KIST Publication > Conference Paper
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