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Details
Integration of Spin-Coated Nanoparticulate-Based La0.6Sr0.4CoO3-δ Cathodes into Micro-Solid Oxide Fuel Cell Membranes
| Author | Evans, A.; Benel, C.; Darbandi, A. J.; Hahn, H.; Martynczuk, J.; Gauckler, L. J.; Prestat, M. | |
| Year | 2013 | |
| Type | Journal Article | |
| Journal | Fuel Cells | |
| Publisher | WILEY-VCH Verlag | |
| Pages | n/a-n/a | |
| ISSN | 1615-6854 | |
| Keywords | Free-standing Membrane; Lanthanum-Strontium-Cobalt Oxide (LSC); Micro-Solid Oxide Fuel Cell; Nanoparticulate Cathode; Salt-Assisted Spray Pyrolysis; Spin-Coating | |
| Abstract | Thin cathodes for micro-solid oxide fuel cells (micro-SOFCs) are fabricated by spin-coating a suspension of La0.6Sr0.4CoO3-δ (LSC) nanoparticulates obtained by salt-assisted spray pyrolysis. The resulting 250 nm thin LSC layers exhibit a three-dimensional porous microstructure with a grain size of around 45 nm and can be integrated onto free-standing 3 mol.% yttria-stabilized-zirconia (3YSZ) electrolyte membranes with high survival rates. Weakly buckled micro-SOFC membranes enable a homogeneous distribution of the LSC dispersion on the electrolyte, whereas the steep slopes of strongly buckled membranes do not allow for a perfect LSC coverage. A micro-SOFC membrane consisting of an LSC cathode on a weakly buckled 3YSZ electrolyte and a sputtered Pt anode has an open-circuit voltage of 1.05 V and delivers a maximum power density of 12 mW cm-2 at 500 °C. | |
| URL |
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| Link to PDF | ||
| Record Number | 11 | |
| Group | nonmet |
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