Zobrazeno 1 - 10
of 80
pro vyhledávání: '"Jesus Tartaj"'
Autor:
Jesús Tartaj, Alvaro Vázquez
Publikováno v:
Journal of Electrochemical Science and Engineering (2024)
It is shown in this work that a synthetic route based on the auto-combustion of an ethylene glycol-metal nitrate polymerized gel precursor can be efficiently used to easily produce a range of La0.6Sr0.4Fe1-yCoyO3-δ nanopowders at moderate temperatur
Externí odkaz:
https://doaj.org/article/abc99163e2df40d6b1e01e08fa8aab46
Publikováno v:
International Journal of Hydrogen Energy. 39:5451-5459
Electrolyte-supported cells were made of a La 0.8 Sr 0.2 Ga 0.85 Mg 0.15 O 3− δ (LSGM2015) electrolyte (200 μm thickness) prepared by ethylene glycol complex solution synthesis, isostatic pressing and sintered at 1400 °C, a Ni-SDC anode, a Sm 0.
Autor:
A. Moure, Joan Josep Roa, Miguel Morales, Jesus Tartaj, Mercè Segarra, José Manuel Pérez-Falcón
Publikováno v:
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
instname
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
instname
La 0.85 Sr 0.15 Ga 0.8 Mg 0.2 O 3− δ pellets obtained by the polymeric organic complex solution method, isostatic pressing and sintering at 1350 °C have been electrical and mechanically studied. Electrical measurements evidenced reasonable ionic
Publikováno v:
Journal of Power Sources. 216:417-424
In the present work, the performance of La0.9Sr0.1Ga0.8Mg0.2O3 (LSGM) electrolyte-supported SOFCs was evaluated under single-chamber conditions. For this purpose, two single cells, one with and the other without Sm0.2Ce0.8O3−δ (SDC) buffer layer b
Publikováno v:
Ceramics International. 38:5907-5914
Crystalline scandia-doped ceria powders, with Ce 0.92 Sc 0.08 O 2− δ and Ce 0.82 Sc 0.18 O 2− δ compositions have been prepared by three different procedures: (a) mechanochemical route from the starting oxides; (b) co-precipitation of hydroxide
Publikováno v:
Journal of Power Sources. 196:10543-10549
High energetic milling of the corresponding oxides and carbonates mixture was employed to obtain highly dense ceramics with Ce 0.80 Sm 0.20− x Ca x O 1.9 ( x = 0, 0.02) compositions at low sintering temperature. After 17 h of milling, the samarium
Publikováno v:
Journal of Alloys and Compounds. 509:7042-7046
Multiferroic ceramics based on BiFeO 3 and Sr-doped BiFeO 3 have been processed by high energetic milling and later thermal treatments at reduced temperatures to synthesize the perovskite structure. Single phase materials are obtained at 800 °C, red
Publikováno v:
Journal of the American Ceramic Society. 93:3206-3213
Nanostructured ceramics with La1−xSrxGa1−yMgyO3−δ composition have been processed by spark plasma sintering of precursors obtained by mechanosynthesis. The compositions with x=0.10 and y=0.20 are single-phase ceramics even at the lowest proces
Publikováno v:
Fuel Cells. 11:75-80
In this work, powders of La0.6Sr0.4Fe0.8Co0.2O3–δ were prepared by the auto-combustion of ethylene glycol–metal nitrate polymerised gel precursor. This method (polymeric organic complex solution) allows decreasing the processing temperature and
Publikováno v:
Chemistry of Materials
Chemistry of Materials, American Chemical Society, 2010, 22 (9), pp.2908-2915. ⟨10.1021/cm100236q⟩
Chemistry of Materials, 2010, 22 (9), pp.2908-2915. ⟨10.1021/cm100236q⟩
Chemistry of Materials, American Chemical Society, 2010, 22 (9), pp.2908-2915. ⟨10.1021/cm100236q⟩
Chemistry of Materials, 2010, 22 (9), pp.2908-2915. ⟨10.1021/cm100236q⟩
International audience; Because of the Jahn−Teller effect and low tolerance factor, the only reported method to obtain ErMnO3 materials with orthorhombic perovskite structure is to apply a high external pressure (on the order of GPa) at high temper