[EN] Soft computing techniques have recently been successfully applied in the chemical engineering field for reducing both high temporal costs and financial costs. A generalist, configurable and parameterizable experimental ...
[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 ...
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 ...
Deibert, Wendelin; Stournari, Vasiliki; Ivanova, Mariya E.; Escolástico Rozalén, Sonia; Serra Alfaro, José Manuel; Malzbender, Juergen; Beck, Tilman; Singheiser, Lorenz; Guillon, Olivier; Meulenberg, Wilhelm A.(Elsevier, 2018-08)
[EN] The relationships between microstructural characteristics and electrical as well as mechanical properties of La5.4WO12-delta (LWO54) materials were studied. Polycrystalline LWO54 samples revealed identical transport ...
[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 ...
Serra Alfaro, José Manuel(Nature Publishing Group, 2019-03)
[EN] Scalable interconversion between chemical and electrical energy requires compact, selective and highly efficient reversible electrochemical cells. Now, protonic electrochemical cells with tailored catalysts and ceramic ...
Solis Díaz, Cecilia; Vert Belenguer, Vicente Bernardo; Fabuel Robledo, María; Serra Alfaro, José Manuel(Elsevier, 2011-11-15)
[EN] The electrochemical properties of mixed-conducting ceramic-ceramic (cer-cer) composites for proton-conducting solid oxide fuel cells (PC-SOFCs) based on La0.995Ca0.005NbO4-delta (LCN) have been investigated. Different ...
Solis Díaz, Cecilia; Navarrete Algaba, Laura; Roitsch, Stefan; Serra Alfaro, José Manuel(Royal Society of Chemistry, 2012)
[EN] New composite cathodes for proton conducting solid oxide fuel cells (PC-SOFCs) based on the novel La5.5WO12-delta (LWO) electrolyte have been developed. First the applicability of LWO as a protonic electrolyte has ...
Vert Belenguer, Vicente Bernardo; Solis Díaz, Cecilia; Serra Alfaro, José Manuel(Wiley-VCH Verlag, 2010-08-17)
[EN] The electrochemical properties of mixed conducing ceramic¿ceramic composites for proton conducting fuel cells have been investigated. Different ratios of Pr0.58Sr0.4Fe0.8Co0.2O3¿¿¿BaCe0.9Yb0.1O3¿¿ composites have been ...
Vert Belenguer, Vicente Bernardo(Universitat Politècnica de València, 2012-02-10)
Las celdas de combustible de óxido sólido (cuyo acrónimo en inglés es SOFC) son dispositivos energéticos capaces de convertir la energía química de un combustible directamente en energía eléctrica. Esto las dota de unas ...
Bausá Martínez, Nuria(Universitat Politècnica de València, 2020-06-29)
[ES] La presente tesis se enmarca en el ámbito del uso y almacenamiento de energías renovables. El objetivo es desarrollar los materiales y la tecnología necesaria para transformar los excedentes eléctricos derivados de ...
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 ...
Escolástico Rozalén, Sonia; Seeger, J.; Roitsch, S.; Ivanova, M.; Meulenberg, Wilhem Albert; Serra Alfaro, José Manuel(Wiley-VCH Verlag, 2013-08)
La5.5WO11.25- is a proton-conducting oxide that shows high protonic conductivity, sufficient electronic conductivity, and stability in moist CO2 environments. However, the H-2 flows achieved to date when using La5.5WO11.25- ...
Vert Belenguer, Vicente Bernardo; Serra Alfaro, José Manuel; Kilner, J.A.; Burriel, M.(Elsevier, 2012-09-01)
[EN] Isotopic tracer diffusion studies have been performed on the perovskite composition La0.2175Pr0.2175Ba0.145Sr0.4Fe0.8Co0.2O3-delta to obtain the diffusion and surface exchange coefficients for oxygen. This material ...
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 ...
García-Fayos, Julio; Ruhl, R.; Navarrete Algaba, Laura; Bouwmeester, H.; Serra Alfaro, José Manuel(The Royal Society of Chemistry, 2018)
[EN] Fe2NiO4-Ce0.8Tb0.2O2-delta (NFO-CTO) composite membranes are of interest to separate oxygen from air. In this study, we investigate the influence of the catalytic activation of NFO-CTO membranes on the oxygen permeation ...
Gaudillere, Cyril Christian; García Fayos, Julio; Serra Alfaro, José Manuel(Royal Society of Chemistry, 2014)
[EN] Innovative asymmetric oxygen-transport membrane architectures were prepared by combining freeze-casting and film deposition techniques. Freeze-casting enabled to optimize the gas transport through the ...
Cavallaro, Andrea; Solis Díaz, Cecilia; Garcia, Pablo R.; Ballesteros, Belén; Serra Alfaro, José Manuel; Santiso, Jose L.(Elsevier, 2012-05-28)
[EN] Ca-doped LaNbO4 (LCNO) material has shown outstanding stability in harsh environments in combination with moderate proton-conductivity in polycrystalline samples at intermediate temperatures below 800 degrees C under ...
Zanón González, Raquel(Universitat Politècnica de València, 2016-01-18)
[EN] Study of methane dehydroaromatization on 3%Mo/HZSM-5 catalysts at 700°C and 0.207 bar, and
occasionally at higher temperature (750°C). Hydrogen permeation through ceramic membranes made
of La6W012 was investigated ...
Gala Buro, Alberto Jesús(Universitat Politècnica de València, 2022-12-18)
[ES] La presente Tesis Doctoral se ha centrado en la demostración de la viabilidad técnica de un proceso de valorización de residuos plásticos de tipo poliolefínico a una escala de planta piloto y en un entorno industrial ...