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    Listar por autor "Ramirez Losilla, Enrique"

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    Mostrando ítems 1-20 de 24

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      • 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 ...
      • Cristaloquímica y Conductividad de ion óxido en Oxo-cuspidinas 

        Martín-Sedeño, María del Carmen (Universidad de Málaga, Servicio de Publicaciones, 2006)
        El trabajo de investigación se ha centrado en el estudio (preparación y caracterización estructural y eléctrica) de las oxo-cuspidinas con fórmula general A4(M2O71)O2 (A=La, Nd, Sm, Gd; M=Ga, Al) como posibles materiales ...
      • 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 ...
      • From light to heavy alkali metal tetraphosphonates (M = Li, Na, K, Rb, Cs): cation size-induced structural diversity and waterfacilitated proton conductivity 

        Ruiz Salcedo, Inés; Pérez Colodrero, Rosario Mercedes; Bazaga García, Montse; Vasileiou, Antonia; Papadaki, Maria; [et al.] (The Royal Society of Chemistry, 2018-09)
        A family of alkali metal-based frameworks containing the tetraphosphonate ligand hexamethylenediamine- N,N,N′,N′-tetrakisIJmethylenephosphonic acid), HDTMP, is reported. A cation size-induced structural diversity, from ...
      • 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 ...
      • High-Throughput Synthesis of Pillared-Layered Magnesium Tetraphosphonate Coordination Polymers: Framework Interconversions and Proton Conductivity Studies 

        Pérez Colodrero, Rosario Mercedes; Ruiz Salcedo, Inés; Bazaga García, Montse; Barouda, Eleni; Papadaki, Maria; [et al.] (MDPI, www.mdpi.com/journal/inorganics, 2018-09-11)
        Novel pillared-layered framework materials were synthesized by high-throughput or microwave-assisted methodology that contain Mg2+ and the zwitterionic linker HDTMP (hexamethylenediamine-N,N,N0,N0-tetrakis(methylenephosphonic ...
      • In-situ hydration study of sulfobelite eco-cements 

        Álvarez-Pinazo, Gema; Cuesta-Garcia, Ana Maria; García-Maté, Marta; Santacruz-Cruz, Maria Isabel; Ramirez-Losilla, Enrique; [et al.] (2013-09-12)
      • Influence of Nb-doping on the structural and electrical properties of lanthanum molybdates, La5.4MoO11.1 

        López-Vergara, Adrián; Porras-Vázquez, José Manuel; Vollestad, Einar; Canales-Vázquez, J.; Ramirez-Losilla, Enrique; [et al.] (2018-06-28)
        Nowadays, hydrogen is receiving a great deal of attention as an energy carrier. Commonly, it is obtained by hydrocarbons reforming, such as natural gas, coal and biomass. However, the resulting hydrogen needs to be purified ...
      • Influence of Proton Conducting Cations on the Structure and Properties of 2D Anilate-Based Magnets 

        Palacios Corella, Mario; Fernández Espejo, Alejandro; Bazaga García, Montse; Ramirez-Losilla, Enrique; Cabeza-Diaz, Aurelio; [et al.] (ACS publications, 2017-11-01)
        The syntheses, structures, magnetic, and proton conductivity properties of a family of bimetallic anilate-based compounds with inserted alkylammonium cations are presented. The structures of (Me2NH2)[MnIICrIII(Br2An)3]·2H2O ...
      • La0.8Sr0.2MnO3-d-based nanocomposite functional layers for improved cathode efficiency in SOFCs 

        Caizán Juanarena, Leire; Zamudio-García, J; Porras-Vázquez, José Manuel; Ramirez-Losilla, Enrique; Marrero-López, David (2022)
        Solid Oxide Fuel Cells (SOFC) are efficient electrochemical devices that are able to convert chemical energy in the form of fuels into electricity, but at low operating temperatures they are mainly limited by the high ...
      • Layered Lanthanide Sulfophosphonates and Their Proton Conduction Properties in Membrane Electrode Assemblies 

        Bazaga García, Montse; Ruiz Salcedo, Inés; Pérez Colodrero, Rosario Mercedes; Xanthopoulos, Konstantinos; Villemin, Didier; [et al.] (ACS publications, 2019-11-07)
        Metal phosphonates containing acidic groups exhibit a wide range of proton conduction properties, which may enhance the performance of membrane electrode assemblies (MEAs). In this work, focus is placed on proton conduction ...
      • Nanostructured composites as active layer to boost cathode performance in Solid Oxide Fuel Cells 

        Caizán Juanarena, Leire; Zamudio-García, Javier; Porras-Vázquez, José M.; Ramirez-Losilla, Enrique; Marrero-López, David (2022-04)
        Since the efficiency of Solid Oxide Fuel Cells (SOFCs) is largely limited by the high polarization resistance of the cathode, several strategies have been proposed to enhance the electrochemical activity of such electrodes. ...
      • New multifunctional sulfonato-containing metal phosphonates proton conductors 

        Ruiz Salcedo, Inés; Bazaga García, Montse; Pérez Colodrero, Rosario Mercedes; Xanthopoulos, Konstantinos; Demadis, Konstantinos D.; [et al.] (2018-10-01)
        Anchoring of acidic functional groups to organic linkers acting as ligands in metal phosphonates has been demonstrate to be a valid strategy to develop new proton conductor materials, which exhibit tunable properties and ...
      • NH3/H2O-mediated proton conductivity and photocatalytic behaviour of Fe(II)-hydroxyphosphonoacetate and M(II)-substituted derivatives 

        Ruiz Salcedo, Inés; Bazaga García, Montse; Cuesta-Garcia, Ana Maria; Ramirez-Losilla, Enrique; Demadis, Konstantinos D.; [et al.] (The Royal Society of Chemistry, 2019-12-27)
        Synthesis redesign and derivatisation of Fe(II)-hydroxyphosphonoacetate, incorporating different ammonia loads and M(II) isomorphic substitutions (M = Mn, Co and Zn), have been implemented. The NH3 adsorption led to materials ...
      • 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 ...
      • Preparación cristaloquímica y comportamiento eléctrico de electrolitos sólidos de estequiometría NASICON 

        Maldonado Manso, María Pilar (Universidad de Málaga, Servicio de Publicaciones, 2004)
        En el presente trabajo se ha llevado a cabo la preparación y la caracterización estructural y eléctrica de varias series de materiales de estequiometría NASICON, sistema ampliamente conocido por sus propiedades conductoras ...
      • Preparation and hydration of model ecocement phases. Characterization by diffraction and cognate methods 

        Cuesta-Garcia, Ana Maria (Servicio de Publicaciones y Divulgación Científica, 2015)
        La producción de cementos de sulfoaluminato de calcio (CSA, del inglés Calcium SulfoAluminate) es más respetuosa para el medio ambiente que la de los cementos Portland ordinarios (OPC, del inglés Ordinary Portland Cement) ...
      • Proton Conductivity in Sulfate-Containing Lanthanide Nitrilotris-methylphosphonates 

        Ruiz Salcedo, Inés; Cabeza-Diaz, Aurelio; Bazaga García, Montse; Pérez Colodrero, Rosario Mercedes; Choquesillo-Lazarte, Duane; [et al.] (2019-09-12)
        Multifunctional metal phosphonates are coordination polymers (CPs) whose structures are usually composed of extended hydrogen-bond networks and thus making them potential candidates as proton conductors [1]. Moreover, these ...
      • 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, ...
        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
         

         

        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA