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Bai Y.,South China University of Technology | Bai Y.,The Key Laboratory of Enhanced Heat Transfer and Energy Conversation | Bai Y.,New Energy Technology for Guangdong Universities | Wang C.,South China University of Technology | And 11 more authors.
Journal of Power Sources | Year: 2010

Operation of cone-shaped anode-supported segmented-in-series solid oxide fuel cell (SIS-SOFC) stack directly on methane is studied. A cone-shaped solid oxide fuel cell stack is assembled by connecting 11 cone-shaped anode-supported single cells in series. The 11-cell-stack provides a maximum power output of about 8 W (421.4 mW cm-2 calculated using active cathode area) at 800 °C and 6 W (310.8 mW cm-2) at 700 °C, when operated with humidified methane fuel. The maximum volumetric power density of the stack is 0.9 W cm-3 at 800 °C. Good stability is observed during 10 periods of thermal cycling test. SEM-EDX measurements are taken for analyzing the microstructures and the coking degrees. © 2010 Elsevier B.V. All rights reserved. Source

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