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Anode-supported SOFC Operated Under Single-chamber Conditions at Intermediate Temperatures

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10.1002/fuce.201000063
 
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hdl:2117/17495

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Morales, Miguel
Roa Rovira, Joan JosepMés informacióMés informació
Capdevila, X.G.
Segarra, M.
Piñol, S.
Document typeArticle
Defense date2011-02-02
Rights accessRestricted access - publisher's policy
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
Anode-supported SOFC was fabricated using gadolinia doped ceria (GDC) as the electrolyte (15 lm of thickness), Ni-GDC as the anode and La0.5Sr0.5CoO3 – d-GDC as the cathode. Catalytic activities of the electrodes and electrical properties of the cell were determined, using mixtures of methane + air, under single-chamber conditions. This work assessed with special and wide emphasis the effect of temperature, gas composition and total flow rate on the cell performance. As a result, operational temperature range of the fuel cell was approximately between 700 and 800 °C, which agrees with the results corresponding to the catalytic activities of electrodes. While Ni-GDC anode was enough active towards methane partial oxidation at cell temperatures higher than 700 °C, the LSC-GDC cathode was enough inactive towards partial and total oxidation of methane at cell temperatures lower than 800 °C. Under optimised gas compositions (CH4/O2 ratio (1) and total flow rate ((530 mL min–1), power densities of 145 and 235
CitationMorales, M. [et al.]. Anode-supported SOFC Operated Under Single-chamber Conditions at Intermediate Temperatures. "Fuel cells", 02 Febrer 2011, vol. 11, núm. 1, p. 108-115. 
URIhttp://hdl.handle.net/2117/17495
DOI10.1002/fuce.201000063
ISSN1615-6846
Publisher versionhttp://onlinelibrary.wiley.com/doi/10.1002/fuce.201000063/pdf
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