Nb and Cu co-doped (La,Sr)(Co,Fe)O3: a stable electrode for solid oxide cells

Solid oxide cells (SOCs) are electrochemical devices that convert the chemical energy of a fuel into electricity. With regard to electrodes, the development of materials with mixed conduction properties is a key issue for improving the performance of SOCs at high temperatures. New Cu and Nb co-dopin...

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Published inRSC advances Vol. 11; no. 18; pp. 10479 - 10488
Main Authors Neacsa, D M, Abbassi, K, Guesmi, H, Coddet, P L, Vulliet, J, M El Amrani, Dealmeida-Didry, S, Roger, S, V Ta Phuoc, Sopracase, R, Gervais, F, Autret-Lambert, C
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 11.03.2021
The Royal Society of Chemistry
Subjects
Chemical energy
Chemistry
Copper
Electrode materials
Heat treatment
Niobium
Yttria-stabilized zirconia
Yttrium oxide
Zirconium dioxide
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Summary:Solid oxide cells (SOCs) are electrochemical devices that convert the chemical energy of a fuel into electricity. With regard to electrodes, the development of materials with mixed conduction properties is a key issue for improving the performance of SOCs at high temperatures. New Cu and Nb co-doping La1−xSrxFeyCo1−yO3−δ (LSCF) materials were studied as electrode materials on yttria-stabilized zirconia (YSZ) supports. The results show that Cu0.05 + Nb0.05 co-doped LSCF maintains a stable cubic structure even after several heat treatments and has better conductivity than a classically used LSCF.
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ISSN:2046-2069
DOI:10.1039/d0ra10313f