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Browsing by Subject "Perovskite"

Now showing items 1-14 of 14

Analysis of the power conversion efficiency of perovskite solar cells with different materials as Hole-Transport Layer by numerical simulations

Casas, Guillermo; Cappelletti, M.A.; Kazraz Mohammad, Moetaz; Marí, B.; Peltzer y Blancá, E.L. (Elsevier, 2017)

[EN] In this paper, a theoretical study of different p-p-n perovskite solar cells has been performed by means of computer simulation. Effects of the offset level upon the power conversion efficiency (PCE) of these devices ...
Comparative study on MAPbI3 based solar cells using different electron transporting materials

Adhikari, Krishna R.; Gurung, S.; Bhattarai, Binod; Marí, B. (John Wiley & Sons, 2016)

[EN] This paper presents a comparative study on organometal halide perovskite based solar cells using two different transparent conducting oxides such as TiO2 and ZnO as electron transporting materials. Simulation is an ...
Controlling the stress state of La1-xSrxCoyFe1 (-) O-y(3-delta) oxygen transport membranes on porous metallic supports deposited by plasma spray-physical vapor process

Marcano, Diana; Mauer, Georg; Sohn, Y. J.; Vaßen, Robert; García-Fayos, Julio; Serra Alfaro, José Manuel (Elsevier, 2016-04-01)

[EN] La0.58Sr0.4Co0.2Fe0.8O3-delta (LSCF), deposited on a metallic porous support by plasma spray -physical vapor deposition (PS-PVD) is a promising candidate for oxygen -permeation membranes. However, after O-2 permeation ...
Diseño de instalación fotovoltaica en embarcación recreativa de 12 metros

Morera Romera, Rubén (Universitat Politècnica de València, 2019-06-14)

[EN] Thepresented project consistsof a seriesof documents focused onthe design of a photovoltaic installation that accompanies theexistinggenerating set, necessaryin a twelve meters long sailing boat, as well as ...
Electrochemical properties of PSFC-BCYb composites as cathodes for proton conducting solid oxide fuel cells

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 ...
ELECTRODOS AVANZADOS PARA PILAS DE COMBUSTIBLE DE ÓXIDO SÓLIDO (SOFCs)

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 ...
Enhanced oxygen diffusion in low barium-containing La0.2175Pr0.2175Ba0.145Sr0.4Fe0.8Co0.2O3−δ intermediate temperature solid oxide fuel cell cathodes

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 ...
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 ...
Fluid Dynamic Modeling of Oxygen Permeation through Mixed Ionic-Electronic Conducting Membranes

Gozálvez-Zafrilla, José M.; Santafé Moros, María Asunción; Escolástico Rozalén, Sonia; Serra Alfaro, José Manuel (ELSEVIER SCIENCE BV, 2011-08-15)

[EN] The oxygen transport in a lab-scale experimental set-up for permeation testing of oxygen transport membranes has been modeled using computational fluid dynamics using Finite Element Analysis. The modeling considered ...
High Ethylene Production through ODHE Membrane Reactors based on Fast Oxygen-Ion Conductors

Lobera González, Maria Pilar; Escolástico Rozalén, Sonia; Serra Alfaro, José Manuel (Wiley-VCH Verlag, 2011-09-19)

[EN] High ethylene productivity through the oxidative dehydrogenation of ethane has been achieved in a catalytic membrane reactor based on a highly solid-state oxygen permeable material (Ba0.5Sr0.5Co0.8Fe0.2O3 d). ...
Numerical analysis for efficiency enhancement of thin film solar cells

Baig, Faisal (Universitat Politècnica de València, 2019-04-01)

[ES] Desde hace una década se esta investigando intensamente la forma de mejorar la eficiencia de conversión de energía (PCE) de las células solares de silicio (Si) y reducir sus precios. Sin embargo, a pesar de las mejoras ...
Oxygen transport membranes in a biomass/coal combined strategy for reducing CO2 emissions: Permeation study of selected membranes under different CO2-rich atmospheres

García Fayos, Julio; Vert Belenguer, Vicente Bernardo; Balaguer Ramírez, María; Solis Díaz, Cecilia; Gaudillere, Cyril Christian; Serra Alfaro, José Manuel (Elsevier, 2015-10-15)

[EN] This contribution introduces how the integration of biomass as fuel in power plants would balance CO2 emissions and the related role of oxygen transport membranes (OTM) on it. CO2 capture techniques could be introduced ...
Pressure Impact on the Stability and Distortion of the Crystal Structure of CeScO3

Errandonea, Daniel; Santamaria-Perez, David; Martinez-Garcia, Domingo; Gomis, O.; Shukla, Rakesh; Achary, S. Nagabhusan; Tyagi, Avesh K.; Popescu, Catalin (American Chemical Society, 2017)

[EN] The effects of high pressure on the crystal structure of orthorhombic (Pnma) perovskite-type cerium scandate were studied in situ under high pressure by means of synchrotron X-ray powder diffraction, using a ...
Quaternary mixture designs applied to the development of multi-element oxygen electrocatalysts based on the Ln(0.58)Sr(0.4)Fe(0.8)Co(0.2)O(3-delta) system (Ln = La1-x-y-zPrxSmyBaz): Predictive modeling approaches

Serra Alfaro, José Manuel; Vert Belenguer, Vicente Bernardo (Elsevier, 2011-01-10)

[EN] The experimental data generated through the optimization of oxygen electrocatalysts based on the perovskite Ln(0.58)Sr(0.4)Fe(0.8)Co(0.2)O(3-delta) system (Ln = La1-x-y-zPrxSmyBaz) have been modeled following different ...