Cathode-supported tubular solid oxide fuel cell technology: A critical review

Journal of Power Sources, Volume 237, 1 September 2013, Pages 84–97
Cathode-supported tubular solid oxide fuel cell technology: A critical review
Kevin Huang (a), , ,
Subhash C. Singhal (b),
a SmartState Center of Solid Oxide Fuel Cells, Department of Mechanical Engineering, University of South Carolina, Columbia, SC 29201, USA
b Pacific Northwest National Laboratory, Richland, WA 99352, USA
Abstract
Over the decades, Siemens/Westinghouse has developed the cathode-supported tubular solid oxide fuel cell (SOFC) technology and demonstrated the world's first highly efficient, longest running 100-kWe class solid oxide fuel cell/combined heat and power (SOFC/CHP) system and the first highest-efficiency, 220-kWe class pressurized SOFC/gas turbine (PSOFC/GT) hybrid system based on this technology.
Authors review the technology from the perspectives of materials, manufacturing, cell design, system integration and electrical testing. They begin with the basic facts of a SOFC, describing the working principle, advantages, types and applications of SOFCs. Their focus then shifts to cathode-supported tubular SOFCs, providing detailed technical information on engineering innovations, materials advances, manufacturing processes and electrical performance of Siemens/Westinghouse's cylindrical and flattened ribbed tubular cells.
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