[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 ...
[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 ...
[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 ...
Solis Díaz, Cecilia; Vert Belenguer, Vicente Bernardo; Balaguer Ramírez, María; Escolástico Rozalén, Sonia; Roitsch, Stefan; Serra Alfaro, José Manuel(Wiley-VCH Verlag, 2012-11)
[EN] Chromite anodes in LWO PC-SOFC: Chemically compatible LSCN/LWO symmetric cells show the high protonic conductivity and p-type electronic conductivity of LSCN in reducing atmospheres. This allows to avoid blending with ...
Balaguer Ramírez, María(Universitat Politècnica de València, 2013-09-02)
Los materiales conductores mixtos de electrones e iones (oxígeno o
protones) son capaces de separar oxígeno o hidrógeno de los gases de combustión
o de corrientes de reformado a alta temperatura. La selectividad de ...
Canovas Noguera, Juan Daniel(Universitat Politècnica de València, 2023-11-03)
[ES] El Trabajo de Fin de Máster "Optimización de un dispositivo electroquímico de separación de oxígeno integrado en un reactor catalítico para la formación de hidrocarburos aromáticos" está integrado dentro del proyecto ...
Navarrete Algaba, Laura; Balaguer Ramírez, María; Vert Belenguer, Vicente Bernardo; Serra Alfaro, José Manuel(Electrochemical Society, 2016)
[EN] Composites made of La0.8Sr0.2MnO3-delta (LSM) and lanthanide doped ceria (Ce(0.8)Ln(0.2)O(2-delta), Ln = Gd, Er, Tb and Pr) have been proposed as robust and high-performing solid oxide fuel cell cathodes. The addition ...
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 ...
Solis Díaz, Cecilia; Somacescu, Simona; Palafox, E.; Balaguer Ramírez, María; Serra Alfaro, José Manuel(American Chemical Society, 2014-10-23)
NiFe2O4 (NFO) thin films were deposited on quartz substrates by rf magnetron sputtering, and the influence of the deposition conditions on their physic-chemical properties was studied. The films structure and the high ...
Initially H-terminated and therefore hydrophobic surface of electrochemically repared luminescent porous silicon (PSi) powder was transformed to the hydrophilic one by means of surface modification by undecylenic acid. ...
Solis Díaz, Cecilia; Balaguer Ramirez, Maria; García-Fayos, Julio; Palafox, Elena; Serra Alfaro, José Manuel(Royal Society of Chemistry, 2020-07-01)
[EN] Ce0.8Gd0.2O2-delta(CGO) thin films were deposited by radio frequency (RF) magnetron sputtering and deposition temperature was changed in order to optimize the microstructure and transport properties of the obtained ...
Escolástico Rozalén, Sonia; Balaguer Ramirez, Maria; Solis Díaz, Cecilia; Toldrá-Reig, Fidel; Somacescu, S.; Gerhards, U.; Aguadero, A.; Haas-Santo, K.; Dittmeyer, R.; Serra Alfaro, José Manuel(The Royal Society of Chemistry, 2023-08-17)
[EN] Catalytic membrane reactors (CMR) based on H-2-separation membranes can improve the performance of thermodynamically-limited reactions such as high-pressure steam methane reforming, ammonia cracking, non-oxidative ...
Lobera González, Maria Pilar; Balaguer Ramírez, María; García Fayos, Julio; Serra Alfaro, José Manuel(Wiley-VCH Verlag, 2012-12)
[EN] An intensification process for the selective oxidation of hydrocarbons integrates a catalytic reactor and an oxygen separation membrane. This work presents the study of oxidative dehydrogenation of ethane at 1123 K ...
Balaguer Ramírez, María; Vert Belenguer, Vicente Bernardo; Navarrete Algaba, Laura; Serra Alfaro, José Manuel(Elsevier, 2013-02-01)
Ceria-based materials have been incorporated into LSM conventional cathodes in order to improve the electrochemical performance. Gadolinium and other elements (Mg, Cr and Bi) have been used as ceria codopants in order to ...
Strandbakke, Ragnar; Wragg, David S.; Sørby, Magnus H.; Guzik, Matylda N.; Gunnæs, Anette; Szpunar, Iga; Wachowski, Sebastian Lech; Balaguer Ramirez, Maria; Carvalho, Patricia A.; Mielewczyk-Gryn, Aleksandra; Serra Alfaro, José Manuel; Norby, Trus(The Royal Society of Chemistry, 2022-12-13)
[EN] Ba1¿xGd1¿yLax+yCo2O6¿¿ (BGLC) compositions with large compositional ranges of Ba, Gd, and La have been characterised with respect to phase compositions, structure, and thermal and chemical expansion. The results show ...
Balaguer Ramírez, María; Solis Díaz, Cecilia; Serra Alfaro, José Manuel(American Chemical Society, 2012-03-23)
A large series of doped cerias have been
prepared by the coprecipitation method combined with
impregnation and completely characterized in order to have
an overall understanding of the structural, oxygen vacancy
concentration, ...
[EN] The structure of BaLnCo(2)O(6-delta) (Ln =La, Pr, Nd, Sm, Gd, Tb and Dy) was studied by the means of synchrotron radiation powder X-ray diffraction, neutron powder diffraction and Transmission Electron Microscopy ...
Balaguer Ramírez, María; Solis Díaz, Cecilia; Serra Alfaro, José Manuel(American Chemical Society, 2011)
[EN] Tb-doped ceria materials have been synthesized by the coprecipitation method. Cobalt oxide (2 mol %) has been added in order to improve the sinterability and conductivity. XRD measurements suggest that a part of the ...
Navarrete Algaba, Laura; Balaguer Ramírez, María; Vert Belenguer, Vicente Bernardo; Serra Alfaro, José Manuel(John Wiley & Sons, 2017)
[EN] Composites made of different doped cerias and (La0.8Sr0.2)(0.95)MnO3+ were studied as potential solid oxide fuel cell cathodes. Tb, Pr, Gd and Er have been introduced as ceria dopants to enhance the electrocatalytic ...