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|Title:||In situ screen-printed BaZr0.1Ce0.7Y0.2O3-δ electrolyte-based protonic ceramic membrane fuel cells with layered SmBaCo2O5+x cathode|
|Authors:||Lin, B;Dong, Y;Yan, R;Zhang, S;Hu, M;Meng, G;Zhou, Y|
|subject:||Bazr0.1Ce0.7Y0.2O3-Δ;In Situ Reaction;Proton-Conducting Solid Oxide Fuel Cells;Screen Printing;Smbaco2o5+X|
|Publisher:||Elsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/jpowsour|
|Description:||In order to develop a simple and cost-effective route to fabricate protonic ceramic membrane fuel cells (PCMFCs) with layered SmBaCo2O5+x (SBCO) cathode, a dense BaZr0.1Ce0.7Y0.2O3-δ (BZCY) electrolyte was fabricated on a porous anode by in situ screen printing. The porous NiO-BaZr0.1Ce0.7Y0.2O3-δ (NiO-BZCY) anode was directly prepared from metal oxide (NiO, BaCO3, ZrO2, CeO2 and Y2O3) by a simple gel-casting process. An ink of metal oxide (BaCO3, ZrO2, CeO2 and Y2O3) powders was then employed to deposit BaZr0.1Ce0.7Y0.2O3-δ (BZCY) thin layer by an in situ reaction-sintering screen printing process on NiO-BZCY anode. The bi-layer with 25 μm dense BZCY electrolyte was obtained by co-sintering at 1400 °C for 5 h. With layered SBCO cathode synthesized by gel-casting on the bi-layer, single cells were assembled and tested with H2 as fuel and the static air as oxidant. A high open-circuit potential of 1.01 V, a maximum power density of 382 mW cm-2, and a low polarization resistance of the electrodes of 0.15 Ω cm2 was achieved at 700 °C. © 2008.|
|Standard no:||Journal of Power Sources, 2009, v. 186 n. 2, p. 446-449|
|Appears in Collections:||Department of Anatomy|
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