• Ce0.8Gd0.2O2‐δ / La0.6Sr0.4CoO3 Heterostructures prepared by pulsed laser deposition 

      Dos Santos-Gómez, Lucía; Porras-Vázquez, José Manuel; Ramirez-Losilla, Enrique; Marrero-López, David (2018-09-14)
      Oxide interfaces have received greater attention due to the possibility to obtain properties that are very different from bulk materials. Due to the wide variety of electronic and ionic phenomena than can be detected at ...
    • Compatibility and performance of SOFCs based on lanthanum tungstates 

      Dos Santos-Gómez, Lucía; Porras-Vázquez, José Manuel; Zayas-Rey, María José; Ramirez-Losilla, Enrique; Marrero-López, David (2015-07-10)
      Rare-earth tungstates with general composition “Ln6WO12” have attracted great attention in last few years due to their relatively high mixed proton-electron conductivity [1, 2]. One of the main ad-vantages of these ...
    • Desarrollo y control microestructural en materiales para pilas de combustible de óxidos sólidos 

      Dos Santos-Gómez, Lucía (UMA Editorial, 2018-10-17)
      Las pilas de combustible de óxidos sólidos (SOFCs) son una de las alternativas más prometedoras para producir energía eléctrica de manera eficiente y respetuosa con el medio ambiente. Durante la fabricación de una SOFC es ...
    • Durability and performance of CGO barriers and LSCF cathode deposited by spray-pyrolysis 

      Dos Santos-Gómez, Lucía; Hurtado, Javier; Porras-Vázquez, José Manuel; Losilla, Enrique R.; Marrero-López, David (Elsevier, 2018-03-19)
      Ce0.9Gd0.1O1.95 (CGO) protective layers are prepared by two different methods to prevent the reaction between the Zr0.84Y0.16O1.92 (YSZ) electrolyte and the La0.6Sr0.4Co0.2Fe0.8O3-δ (LSCF) cathode. In the first method, ...
    • Effect of Zn addition on the structure and electrochemical properties of codoped BaCe0.6Zr0.2Ln0.2O3-δ (Ln=Y, Gd, Yb) proton conductors 

      Zamudio-García, Javier; Porras-Vázquez, José Manuel; Dos Santos-Gómez, Lucía; Losilla, Enrique R.; Marrero-López, David (Elsevier, 2018-05-02)
      In this work, BaCe0.6Zr0.2Y0.2-xYbxO3-δ and BaCe0.6Zr0.2Gd0.2-xYbxO3-δ (x=0–0.20), proton conducting materials are prepared by the freeze-drying precursor method. The sintering conditions were optimized by adding ...
    • Enseñanza-aprendizaje de contenido académico en inglés: análisis de una innovación/intervención/experiencia en un grado no bilingüe 

      Dos Santos-Gómez, Lucía; Infantes-Molina, Antonia (2020-10-26)
      La estrategia nacional de enseñanza superior dictada por la CRUE y la institucional de la Universidad de Málaga (UMA) afronta el reto de ofrecer una enseñanza de calidad en un idioma distinto a la lengua materna, mejorando ...
    • High efficiency cathodes for SOFCs prepared by spray-pyrolysis 

      Dos Santos-Gómez, Lucía; Ramirez-Losilla, Enrique; Marrero-López, David (2015-07-10)
      In recent years, lowering the operating temper-ature of the Solid Oxide Fuel Cells (SOFCs) to the intermediate temperature range (500-700 ºC) has become the main challenge for this technology. The electrolyte resistance ...
    • Highly efficient La0.8Sr0.2MnO3-δ - Ce0.9Gd0.1O1.95 nanocomposite cathodes for solid oxide fuel cells 

      Dos Santos-Gómez, Lucía; Zamudio-García, Javier; Porras-Vázquez, José Manuel; Losilla, Enrique R.; Marrero-López, David (Elsevier, 2017-12-15)
      La0.8Sr0.2MnO3-δ-Ce0.9Gd0.1O1.95 (LSM-CGO) nanostructured cathodes are successfully prepared in a single process by a chemical spray-pyrolysis deposition method. The cathode is composed of nanometric particles of approximately ...
    • Influence of lanthanum doping on the structure and transport properties of CeO2 

      Zamudio-García, Javier; Porras-Vázquez, José Manuel; Dos Santos-Gómez, Lucía; Losilla, Enrique R.; Marrero-López, David (2019-06-10)
      LaxCe1-xO2-x/2 materials are oxide and/or proton conductors depending on the La-content and they are of interest for numerous electrochemical applications at high temperatures, including membranes for hydrogen separation ...
    • Modification of the Microstructure and Transport Properties of La2CuO4−δ Electrodes via Halogenation Routes 

      Dos Santos-Gómez, Lucía; Zamudio-García, Javier; Porras-Vázquez, José Manuel; Ramirez-Losilla, Enrique; Marrero-López, David (IOAP-MPDI, 2022-06-16)
      dos Santos-Gómez L, Zamudio-García J, Porras-Vázquez JM, R. Losilla E, Marrero-López D. Modification of the Microstructure and Transport Properties of La2CuO4−δ Electrodes via Halogenation Routes. Processes. 2022; 10(6):1206. ...
    • Nanocrystalline cathodes for PC-SOFCs 

      Dos Santos-Gómez, Lucía (2015-07-10)
      Ceramic proton conductors are of great interest for the development of solid oxide fuel cells (PC-SOFC) operating at relatively low temperatures between 400 and 700 ºC. Perovskites based on BaCeO3-δ exhibit the highest ...
    • Nanocrystalline cathodes for PC-SOFCs based on BCZY 

      Dos Santos-Gómez, Lucía; Zea-Garcia, Jesus D.; Porras-Vázquez, José Manuel; Marrero-López, David; Ramírez-Losilla, E. (2016-09-27)
      Perovskites based on BaCeO3-δ exhibit the highest proton conductivity among this class of materials, however, they are susceptible to hydration and carbonation in presence of water vapor and CO2 [1]. In contrast, the ...
    • Novel microstructural strategies to enhance the electrochemical performance of La0.8Sr0.2MnO3-δ cathodes 

      Dos Santos-Gómez, Lucía; Porras-Vázquez, José Manuel; Ramirez-Losilla, Enrique; Marrero-López, David (2015-07-13)
      Solid oxide fuel cells (SOFCs) are one of the most efficient technologies for direct conversion of fuels to electricity. La0.8Sr0.2MnO3-δ (LSM) is the cathode material most widely used in SOFCs [1], however, LSM exhibits ...
    • Phase Composition and Transport Properties of oxide ion conductors based on Sr1-xKxGeO3-x/2 

      Dos Santos-Gómez, Lucía; Porras-Vázquez, José Manuel; Fernández-Palacios, Sara; Compaña Prieto, José Manuel; Cabeza-Diaz, Aurelio (2015-07-13)
      Oxide ion conductors have been increasingly studied because of their potential applications in different electrochemical devices, such as, oxygen sensors, membranes for oxygen separation and components of fuel cells. Solid ...
    • Solid Oxide Fuel Cells based on Lanthanum Tungstates Electrolytes 

      Porras-Vázquez, José Manuel; Zayas-Rey, María José; Ramirez-Losilla, Enrique; Marrero-López, David; Dos Santos-Gómez, Lucía (2015-07-13)
      Lanthanum tungstate with composition La27W4NbO55- (LWNO) has been tested as proton conductor electrolyte for Solid Oxide Fuel Cells (SOFCs). For this purpose, different electrodes and composite electrodes are considered, ...
    • Stability and electrochemical performance of nanostructured La2CuO4þd cathodes 

      Dos Santos-Gómez, Lucía; Porras-Vázquez, José Manuel; Hurtado, Javier; Losilla, Enrique R.; Marrero-López, David (Elsevier, 2019-02-21)
      La2CuO4þd cathode layers are prepared by spray-pyrolysis deposition and their structural, microstructural and electrical properties are compared with those of submicrometric powders obtained from freeze-dried precursors. ...
    • Stability of epitaxial heterostructured materials 

      Dos Santos-Gómez, Lucía; Sanna, Simone; Esposito, Vincenzo; Pryds, Nini; Marrero-López, David; [et al.] (2019)
      Heterostructured materials are a new family of artificial compounds where the electronic and ionic properties can be modulated by varying the characteristics of the different material layers. These properties arise from ...
    • Structural and Proton Conductivity Studies of Fibrous π-Ti2O(PO4)2·2H2O: Application in Chitosan- Based Composite Membranes 

      Babaryk, Artem A.; Adawy, Alaa; García, Inés; Trobajo, Camino; Amghouz, Zakariae; [et al.] (The Royal Society of Chemistry, 2021)
      Although the fibrous polymorphic modification of titanium phosphate, π-Ti2O(PO4)2·2H2O (π-TiP) is known for decades, its crystal structure has remained unsolved. Herewith we report the crystal structure of π-TiP at a room ...