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Browsing by Author "Balaguer Ramírez, María"

Now showing items 1-20 of 33

Autoensamblado de nanocatalizadores para aplicación en celdas de conversión energética

Cubells Gómez, Aitor (Universitat Politècnica de València, 2020-10-13)

[ES] Las celdas electroquímicas de óxido sólido (SOC, del inglés) son dispositivos electroquímicos que transforman directamente los combustibles en energía eléctrica o viceversa, según actúen como pila de combustible o ...
Boosting methane partial oxidation on ceria through exsolution of robust Ru nanoparticles

Carrillo-Del Teso, Alfonso Juan; Navarrete Algaba, Laura; Laqdiem-Marin, Marwan; Balaguer Ramirez, Maria; Serra Alfaro, José Manuel (Royal Society of Chemistry, 2021-05-07)

[EN] Finding sustainable routes for the transformation of CO2 into fuels and added-value chemicals is key for mitigating greenhouse gas emission. In this respect, chemical-looping reforming coupled with CO2 splitting emerges ...
Bulk transport and oxygen surface exchange of the mixed ionic-electronic conductor Ce1 xTbxO2-d (x=0.1, 0.2, 0.5)

Balaguer Ramírez, María; Yoo, C.Y.; Bouwmeester, H.J.M; Serra Alfaro, José Manuel (Royal Society of Chemistry, 2013)

Bulk ionic and electronic transport properties and the rate of oxygen surface exchange of Tb-doped ceria have been evaluated as a function of Tb concentration, aiming to assess the potential use of the materials as ...
Catalyst Screening for Oxidative Coupling of Methane Integrated in Membrane Reactors

García-Fayos, Julio; Lobera González, Maria Pilar; Balaguer Ramirez, Maria; Serra Alfaro, José Manuel (Frontiers Media SA, 2018)

[EN] Increased availability of methane from shale gas and stranded gas deposits in the recent years may facilitate the production of ethylene by means of potentially more competitive routes than the state-of-the-art steam ...
Catalytic surface promotion of highly active La0.85Sr0.15Cr0.8Ni0.2O3-delta anodes for La5.6WO11.4-delta based proton conducting fuel cells

Solis Díaz, Cecilia; Balaguer Ramirez, Maria; Bozza, F.; Bonanos, Nikos; Serra Alfaro, José Manuel (Elsevier, 2014)

[EN] La0.85Sr0.15CrO3-delta (LSC), La0.85Sr0.15Cr0.8Ni0.2O3-delta (LSCN) and LSCN infiltrated with Ni nanoparticles were tested as anodes for symmetrical cells based on La5.6WO11.4-delta (LWO) protonic electrolyte. These ...
Desarrollo de electrocatalizadores basados en clústeres de óxido de cobalto para Pilas de Combustible de Membrana de Intercambio Protónico

Cortés Villena, Alejandro (Universitat Politècnica de València, 2019-01-14)

En este proyecto se han preparado 4 electrocatalizadores basados en clústeres de óxido de cobalto sobre un soporte de carbono para utilizarlos como electrodo catódico en Pilas de Combustible de Membrana de Intercambio ...
Desarrollo de MOFs de cobalto para su aplicación como electrocatalizadores en una pila de combustible de membrana de intercambio protónico

Río Rodríguez, José Luis del (Universitat Politècnica de València, 2022-09-06)

[ES] Los seres humanos usamos en el día a día combustibles fósiles, como el carbón, el petróleo y el gas natural, para la generación de calor y electricidad. Sin embargo, estos recursos son limitados y su impacto en el ...
Dual-phase membrane based on LaCo0.2Ni0.4Fe0.4O3-x-Ce0.8Gd0.2O2-x composition for oxygen permeation under CO2/SO2-rich gas environments

García-Fayos, Julio; Balaguer Ramirez, Maria; Baunmann, Stefan; Serra Alfaro, José Manuel (Elsevier, 2018)

[EN] A dual-phase material with high ambipolar conductivity composed by the perovskite LaCo0.2Ni0.4Fe0.4O3-delta (LCNF) as the electronic phase and the fluorite Ce0.8Gd0.2O2-delta (CGO20) as oxide-ion conductor is proposed ...
Dual-Phase Oxygen Transport Membranes for Stable Operation in Environments Containing Carbon Dioxide and Sulfur Dioxide

García Fayos, Julio; Balaguer Ramírez, María; Serra Alfaro, José Manuel (Wiley-VCH Verlag, 2015-12-21)

[EN] Dual-phase membranes are appealing candidates for oxygen transport membranes owing to their unique combination of ambipolar electron-ion transport and endurance. However, O-2 separation in industrial environments ...
Electric and magnetic properties of Lanthanum Barium Cobaltite

Szpunar, I.; Wachowski, S.; Miruszewski, T.; Dzierzgowski, K.; Gornicka, K.; Klimczuk, T.; Sorby, M.; Balaguer Ramirez, Maria; Serra Alfaro, José Manuel; Strandbakke, Ragnar; Gazda, Maria; Mielewczyk-Gryn, Aleksandra (Blackwell Publishing, 2020-03)

[EN] The cubic Ba0.5La0.5CoO3-delta was synthesized using solid state reaction. The structural properties were determined by the simultaneous refinement of Synchrotron Powder X-ray Diffraction and Neutron Powder Diffraction ...
Engineering microstructure and redox properties in the mixed conductor Ce0.9Pr0.1O2-d+Co 2 mol %

Balaguer Ramírez, María; Solis Díaz, Cecilia; Roitsch, Stefan; Serra Alfaro, José Manuel (Royal Society of Chemistry, 2014)

10% Praseodymium doped ceria exhibits a combination of mixed ionic and electronic conductivity, redox catalytic properties and chemical compatibility with water and carbon dioxide at high temperatures. Minor additions of ...
Enhanced oxygen separation through robust freeze-cast bilayered dual-phase membranes

Gaudillere, Cyril Christian; García Fayos, Julio; Balaguer Ramírez, María; Serra Alfaro, José Manuel (Wiley-VCH Verlag, 2014-09)

Dual-phase oxygen-permeable asymmetric membranes with enhanced oxygen permeation were prepared by combining freeze-casting, screen-printing, and constraint-sintering techniques. The membranes were evaluated under oxyfuel ...
Fast Oxygen Separation Through SO2- and CO2-Stable Dual-Phase Membrane Based on NiFe2O4-Ce0.8Tb0.2O2-delta

Balaguer Ramírez, María; García Fayos, Julio; Solis Díaz, Cecilia; Serra Alfaro, José Manuel (American Chemical Society, 2013-12-24)

Composite membranes with enhanced oxygen permeability and unprecedented stability in oxyfuel-like gas environments are reported. Specifically, 60 vol% NiFe2O4 - 40 vol% Ce0.8Tb0.2O2-delta (NFO-CTO) composite has been ...
High performance anodes with tailored catalytic properties for La5.6WO11.4-d; based proton conducting fuel cells

Balaguer Ramírez, María; Solis Díaz, Cecilia; Bozza, F.; Bonanos, N.; Serra Alfaro, José Manuel (Royal Society of Chemistry, 2013)

This work shows the development of anodes based Sr-doped LaCrO3 (LSC) for La5.6WO11.4-d;-based proton conducting fuel cells. The electrode was improved by considering the operation limitations of the LSC material, which ...
High-Temperature Structural and Electrical Properties of BaLnCo(2)O(6) Positrodes

Szpunar, Iga; Strandbakke, Ragnar; Sørby, Magnus Helgerud; Wachowski, Sebastian Lech; Balaguer Ramirez, Maria; Tarach, Mateusz; Serra Alfaro, José Manuel; Witkowska, Agnieszka; Dzik, Ewa; Norby, Truls; Gazda, Maria; Mielewczyk-Gryn, Aleksandra (MDPI AG, 2020)

[EN] The application of double perovskite cobaltites BaLnCo(2)O(6-delta) (Ln = lanthanide element) in electrochemical devices for energy conversion requires control of their properties at operating conditions. This work ...
Hydrogen production via microwave-induced water splitting at low temperature

Serra Alfaro, José Manuel; Borras-Morell, J. F.; García-Baños, Beatriz; Balaguer Ramirez, Maria; Plaza González, Pedro José; Santos-Blasco, J.; Catalán-Martínez, David; Navarrete Algaba, Laura; Catalá Civera, José Manuel (Nature Publishing Group, 2020-11)

[EN] Hydrogen is a promising vector in the decarbonization of energy systems, but more efficient and scalable synthesis is required to enable its widespread deployment. Towards that aim, Serra et al. present a microwave-based ...
Hydrogen separation through tailored dual phase membranes with nominal composition BaCe0.8Eu0.2O3-delta:Ce0.8Y0.2O2-delta at intermediate temperatures

Ivanova, Mariya E.; Escolástico Rozalén, Sonia; Balaguer Ramírez, María; Palisaitis, Justinas; Sohn, Yoo Jung; Meulenber, Wilhelm A.; Guillon, Olivier; Mayer, Joachim; Serra Alfaro, José Manuel (Nature Publishing Group, 2016-11-04)

[EN] Hydrogen permeation membranes are a key element in improving the energy conversion efficiency and decreasing the greenhouse gas emissions from energy generation. The scientific community faces the challenge of identifying ...
Improving the performance of oxygen transport membranes in simulated oxy-fuel power plant conditions by catalytic surface enhancement

Pirou, Stéven; García-Fayos, Julio; Balaguer Ramirez, Maria; Kiebach, Ragnar; Serra Alfaro, José Manuel (Elsevier, 2019-06-15)

[EN] The stability of dual-phase oxygen transport membranes consisting of 70 vol% (Y2O3)(0.01)(Sc2O3)(0.10)(ZrO2)(0.89) and 30 vol% MnCo2O4 (10Sc1YSZ-MCO (70-30 vol%)) was investigated in simulated oxy-fuel power plant ...
In Situ Raman Characterization of SOFC Materials in Operational Conditions: A Doped Ceria Study

Solís, Cecilia; Balaguer Ramirez, Maria; Serra Alfaro, José Manuel (MDPI AG, 2020-07)

[EN] The particular operational conditions of electrochemical cells make the simultaneous characterization of both structural and transport properties challenging. The rapidity and flexibility of the acquisition of Raman ...
Mixed Ionic-Electronic Conduction in NiFe2O4-Ce0.8Gd0.2O2-delta Nanocomposite Thin Films for Oxygen Separation

Solis Díaz, Cecilia; Toldrá-Reig, Fidel; Balaguer Ramirez, Maria; Somacescu, Simona; García-Fayos, Julio; Palafox, Elena; Serra Alfaro, José Manuel (John Wiley & Sons, 2018)

[EN] NiFe2O4-Ce0.8Gd0.2O2-delta (NFO/CGO) nanocomposite thin films were prepared by simultaneously radio-frequency (RF) magnetron sputtering of both NFO and CGO targets. The aim is the growth of a CO2-stable composite layer ...