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    Listar por autor "Marrero-López, David"

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    Mostrando ítems 1-20 de 64

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      • A novel multilaminated composite cathode for solid oxide fuel cells. 

        Dos-Santos-Gómez, Lucía; Porras-Vázquez, José ManuelAutoridad Universidad de Málaga; Martín-Jiménez, Francisco de PaulaAutoridad Universidad de Málaga; Ramos-Barrado, José RamónAutoridad Universidad de Málaga; Ramírez-Losilla, EnriqueAutoridad Universidad de Málaga; Marrero-López, DavidAutoridad Universidad de Málaga[et al.] (Elsevier, 2019-05-28)
        A novel electrode architecture consisting in alternating layers of La0.6Sr0.4Co0.2Fe0.8O3-δ (LSCF) and Ce0.9Gd0.1O1.95 (CGO) is prepared for the first time by spray-pyrolysis deposition and investigated as cathode material ...
      • A review on recent advances and trends in symmetrical electrodes for solid oxide cells. 

        Zamudio-García, Javier; Caizán-Juanarena, Leire; Porras-Vázquez, José ManuelAutoridad Universidad de Málaga; Ramírez-Losilla, EnriqueAutoridad Universidad de Málaga; Marrero-López, DavidAutoridad Universidad de Málaga (Elsevier, 2021-12-04)
        Symmetrical solid oxide cells (SSOCs) with identical air and fuel electrodes have gained significant scientific interest in the last decade because they offer several advantages over conventional cell configurations. ...
      • Active layers based on vertically aligned nanostructures for SOFC applications 

        Zamudio-García, Javier; Chiabrera, Francesco; Losilla, Enrique R.; Marrero-López, DavidAutoridad Universidad de Málaga; Pryds, Nini; Esposito, Vincenzo[et al.] (2022-06-28)
        One of the most recent strategies to enhance the electrode performance is preparing composite materials leading to an increase of the triple-phase-boundary (TPB) length. In this work, thin films VANs based on ...
      • Ajuste de las propiedades estructurales de molibdatos de lantano a través de la modificación de los entramados catiónicos y aniónicos 

        Porras-Vázquez, José ManuelAutoridad Universidad de Málaga; Bergillos-Ruíz, Marta; López Vergara, Adrián; Marrero-López, DavidAutoridad Universidad de Málaga; Losilla, Enrique R. (2018-06-28)
        Los materiales basados en molibdatos de lantano, con fórmula general La6-xMoO12-, son candidatos a membranas de separación de hidrógeno debido su conductividad electrónica y protónica. Estos cristalizan en diferentes ...
      • Boosting the Performance of La0.8Sr0.2MnO3-δ Electrodes by The Incorporation of Nanocomposite Active Layers 

        Zamudio-García, Javier; Caizán-Juanarena, Leire; Porras-Vázquez, José ManuelAutoridad Universidad de Málaga; Losilla, Enrique R.; Marrero-López, DavidAutoridad Universidad de Málaga (Wiley, 2022-07-07)
        The use of active layers is a promising strategy to improve the properties of air electrodes for solid oxide fuel cells (SOFCs). In this work, La0.8Sr0.2MnO3-δ is combined with different oxide ion conductors Ce0.9Gd0.1O1.95, ...
      • Ce0.8Gd0.2O2‐δ / La0.6Sr0.4CoO3 Heterostructures prepared by pulsed laser deposition 

        Dos-Santos-Gómez, Lucía; Porras-Vázquez, José ManuelAutoridad Universidad de Málaga; Ramírez-Losilla, EnriqueAutoridad Universidad de Málaga; Marrero-López, DavidAutoridad Universidad de Málaga (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 ManuelAutoridad Universidad de Málaga; Zayas-Rey, María José; Ramírez-Losilla, EnriqueAutoridad Universidad de Málaga; Marrero-López, DavidAutoridad Universidad de Málaga (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 ...
      • Design and optimization of self-assembled nanocomposite electrodes for SOFCs. 

        Dos-Santos-Gómez, Lucía; Zamudio-García, Javier; Caizán-Juanarena, Leire; Porras-Vázquez, José ManuelAutoridad Universidad de Málaga; Marrero-López, DavidAutoridad Universidad de Málaga (Elsevier, 2024-06-08)
        Nanocomposites exhibit improved electrochemical and mechanical properties compared to single-phase mate- rials, making them promising for the development of efficient and durable electrodes in solid oxide fuel cells (SOFCs). ...
      • Doping effects on the structure and electrical properties of La2Ce2O7 proton conductors. 

        Zamudio-García, Javier; Dos-Santos-Gómez, Lucía; Porras-Vázquez, José ManuelAutoridad Universidad de Málaga; Ramírez-Losilla, EnriqueAutoridad Universidad de Málaga; Marrero-López, DavidAutoridad Universidad de Málaga (Elsevier, 2020-01-01)
        Recent studies have reported that the conductivity of La2Ce2O7 proton conductors is improved by aliovalent doping, despite the high concentration of oxygen vacancies in the pristine material. In this study, we provide ...
      • Durability and performance of CGO barriers and LSCF cathode deposited by spray-pyrolysis 

        Dos-Santos-Gómez, Lucía; Hurtado, Javier; Porras-Vázquez, José ManuelAutoridad Universidad de Málaga; Losilla, Enrique R.; Marrero-López, DavidAutoridad Universidad de Málaga (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 preparation conditions on the polymorphism and transport properties of lanthanum molybdates 

        Porras-Vázquez, José ManuelAutoridad Universidad de Málaga; López Vergara, Adrián; Infantes-Molina, AntoniaAutoridad Universidad de Málaga; Canales-Vázquez, J.; Cabeza-Díaz, AurelioAutoridad Universidad de Málaga; Losilla, Enrique R.; Marrero-López, DavidAutoridad Universidad de Málaga[et al.] (2017-10-24)
        In this work, La6MoO12-based compounds were investigated as part of a new family of materials very competitive as hydrogen separation membranes [1,2]. La5.4MoO11.1 was synthesized by the freeze-drying precursor method and ...
      • Effect of the modification of the cationic and anionic framework on the structural and electrical properties of lanthanum molybdates 

        López Vergara, Adrián; Bergillos-Ruíz, Marta; Porras-Vázquez, José ManuelAutoridad Universidad de Málaga; Marrero-López, DavidAutoridad Universidad de Málaga; Losilla, Enrique R. (2019-07-19)
        Fluorinated lanthanum molybdates have been prepared at 1500 and 1200 ºC for 1 h and cooled down at 5 ºC min-1. The combination of anionic (F-) and cationic (Nb5+) doping stabilizes the cubic polymorph without needing a ...
      • 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 ManuelAutoridad Universidad de Málaga; Dos-Santos-Gómez, Lucía; Losilla, Enrique R.; Marrero-López, DavidAutoridad Universidad de Málaga (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 ...
      • Efficient symmetrical electrodes based on LaCrO3 via microstructural engineering. 

        Zamudio-García, Javier; Porras-Vázquez, José ManuelAutoridad Universidad de Málaga; Ramírez-Losilla, EnriqueAutoridad Universidad de Málaga; Marrero-López, DavidAutoridad Universidad de Málaga (Elsevier, 2021-09-30)
        Novel nanostructured electrodes, La0.98Cr0.75B0.25O3δ (B = Mn, Fe, Ti and Cu), are prepared by a single spraypyrolysis deposition method directly on the electrolyte and a porous Ce0.9Gd0.1O1.95 (CGO) scaffold. ...
      • Enhancing the Electrochemical Performance in Symmetrical Solid Oxide Cells through Nanoengineered Redox-Stable Electrodes with Exsolved Nanoparticles 

        Zamudio-García, Javier; Porras-Vázquez, José ManuelAutoridad Universidad de Málaga; Ramírez-Losilla, EnriqueAutoridad Universidad de Málaga; Marrero-López, DavidAutoridad Universidad de Málaga (American Chemical Society, 2023-12-25)
        Symmetrical solid oxide cells (SSOCs) have recently gained significant attention for their potential in energy conversion due to their simplified cell configuration, cost-effectiveness, and excellent reversibility. However, ...
      • Exploiting the Multifunctionality of M2+/Imidazole−Etidronates for Proton Conductivity (Zn2+) and Electrocatalysis (Co2+, Ni2+) toward the HER, OER, and ORR 

        Vílchez-Cózar, Álvaro; Armakola, Eirini; Gjika, Maria; Visa, Aurelia; Bazaga-García, Montse; Olivera-Pastor, PascualAutoridad Universidad de Málaga; Choquesillo-Lazarte, Duane; Marrero-López, DavidAutoridad Universidad de Málaga; Cabeza-Díaz, AurelioAutoridad Universidad de Málaga; Pérez-Colodrero, Rosario MercedesAutoridad Universidad de Málaga; Demadis, Konstantinos D.[et al.] (American Chemical Society, 2022-02-22)
        This work deals with the synthesis and characterization of one-dimensional (1D) imidazole-containing etidronates, [M2(ETID)(Im)3]·nH2O (M = Co2+ and Ni2+; n = 0, 1, 3) and Zn2(ETID)2(H2O)2](Im)2, as well as the corresponding ...
      • High efficiency cathodes for SOFCs prepared by spray-pyrolysis 

        Dos-Santos-Gómez, Lucía; Ramírez-Losilla, EnriqueAutoridad Universidad de Málaga; Marrero-López, DavidAutoridad Universidad de Málaga (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 ManuelAutoridad Universidad de Málaga; Losilla, Enrique R.; Marrero-López, DavidAutoridad Universidad de Málaga (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 ...
      • Highly efficient LaCr0.75M0.25O3+δ (M= Ti, Mn, Fe, Co and Cu) nanostructured electrodes for Solid Oxide Fuel Cells 

        Zamudio-García, Javier; Porras-Vázquez, José ManuelAutoridad Universidad de Málaga; Losilla, Enrique R.; Marrero-López, DavidAutoridad Universidad de Málaga (2019-09-30)
        Nanostructured composites electrodes based on lanthanum chromites has been prepared using Spray-pyrolysis precursor method achieving better Rp as SOFC electrodes. The performance in real SOFC is still in progress.
        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
         

         

        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA