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Journal of Electrochemistry ›› 2014, Vol. 20 ›› Issue (5): 470-475.doi: 10.13208/j.electrochem.131129

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Fabrication and Characterization of the Ni-ScSZ Composite Anodes with a Cu-LSCM-CeO2 Catalyst Layer in the Thin Film SOFC

LV Yao, HUANG Bo*, GU Xi-zhi, HOU Chun-yi, HU Yi-xing, WANG Xiao-yin, ZHU Xin-jian   

  1. Institute of Fuel Cell, School of Mechanical Engineering, Shanghai Jiaotong University, Shanghai 200240, China
  • Received:2013-11-29 Revised:2014-02-18 Online:2014-10-28 Published:2014-02-23
  • Contact: HUANG Bo E-mail:huangbo2k@hotmail.com

Abstract: Solid oxide fuel cell (SOFC) directly operating on hydrocarbon without external reforming has the potential of greatly speeding up the application of SOFCs for transportation. In this paper, a three-layer structure anode was fabricated by tape casting and screen printing method. The addition of Cu-LSCM-CeO2 to the supported anode surface presented better performance running on H2 and ethanol. The maximum power densities were 511 and 390 mW?cm-2, respectively, running on H2 and ethanol at 750 °C. No significant degradation was observed on the anode. Consequently, the Cu-LSCM-CeO2 catalyst layer on the surface of the LSCM-YSZ support layer makes it possible to have good stability for long-term operation in ethanol fuel due to free carbon deposition.

Key words: solid oxide fuel cell, catalyst layer, carbon deposit, impedance spectra, electrochemical performance

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