Journal
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
Volume 28, Issue 16, Pages 3113-3117Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jeurceramsoc.2008.05.033
Keywords
Solid oxide fuel cell; Anode-supported; Tubular; Slip casting; Colloidal spray coating
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Funding
- National 863 program of China [2007AA05Z136]
- Department of Science and Technology of Guangdong Province [B 15-B2051290]
- Department of Education of Guangdong Province [B 15-N9060210]
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A simple and cost-effective slip casting technique was successfully developed to fabricate NiO-YSZ anode substrates for tubular anode-supported single SOFCs. An YSZ electrolyte film was coated on the anode substrates by colloidal spray coating technique. A single cell, NiO-YSZ/YSZ (20 mu m)/LSM-YSZ, using the tubular anode supports with YSZ coating, was assembled and tested to demonstrate the feasibility of the techniques applied. Using humidified hydrogen (75 ml/min) as fuel and ambient air as oxidant, the maximum power densities of the cell were 760 mW/cm(2) and 907 mW/cm(2) at 800 degrees C and 850 degrees C, respectively. The observed OCV was closed to the theoretical value and the SEM results revealed that the microstructure of the anode fabricated by slip casting is porous while the electrolyte film coated by colloidal spray coating is dense. (c) 2008 Elsevier Ltd. All rights reserved.
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