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Improvement of the Electrochemical Performance of Ln0.58Sr0.4Fe0.8Co0.2O3 – δ IT-SOFC Cathodes by Ternary Lanthanide Combinations (La-Pr-Sm)

✍ Scribed by V. B. Vert; J. M. Serra

Publisher: John Wiley and Sons
Year: 2010
Tongue: English
Weight: 605 KB
Volume: 10
Category: Article
ISSN: 1615-6846
DOI: 10.1002/fuce.200900166

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✦ Synopsis

Solid oxide fuel cells (SOFCs) are becoming promising candidates for highly efficient energy generation from conventional and biomass-derived fuels due to different reasons: (i) electricity can be obtained directly from a fuel; (ii) the subproduct is a high quality hot gas stream, usable in (micro)turbines and for building central heating (CHP units [1]); (iii) zero-emission operation is achieved when hydrogen is fuelled; (iv) SOFCs can operate besides H 2 with light hydrocarbons, methanol or even bio-alcohols without extensive fuel purification and reforming and (v) SOFCs are noiseless and modular. However, conventional SOFCs need to operate in the 800-1,000 °C temperature range. The reduction of the operating temperature below 700 °C implies that the elec-

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