Journal
ELECTROCHEMICAL AND SOLID STATE LETTERS
Volume 14, Issue 7, Pages B77-B79Publisher
ELECTROCHEMICAL SOC INC
DOI: 10.1149/1.3583497
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Funding
- Energinet.dk [ForskEL-2010-1-10441]
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Composites cathodes consisting of strontium doped lanthanum manganite (LSM) and yttria stabilized zirconia have been impregnated with the nitrates corresponding to the nominal compositions: La(0.75)Sr(0.25)Mn(1.05)O(3 +/-delta) (LSM25), Ce(0.8)Sm(0.2)O(2) (SDC) and a combination of both (dual). The latter performed best with a polarization resistance (R(P)) of 0.39 Omega cm(2) at 600 degrees C and 0.039 Omega cm(2) at 750 degrees C compared to 2.17 and 0.19 Omega cm(2) respectively for electrodes without impregnation. Furthermore the dual impregnation decreased the activation energy of R(P) to 1.19 eV compared to 1.35 eV for cells without impregnation. (C) 2011 The Electrochemical Society. [DOI: 10.1149/1.3583497] All rights reserved.
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