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Listar por autor "Navarrete Algaba, Laura"

Mostrando ítems 1-20 de 26

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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 ...
Boosting the oxygen reduction reaction mechanisms in IT-SOFC cathodes by catalytic functionalization

Navarrete Algaba, Laura; Solis Díaz, Cecilia; Serra Alfaro, José Manuel (Royal Society of Chemistry, 2015)

A robust LSM-GDC composite was used as a backbone electrode for the infiltration of different catalysts, dispersed as oxide nanoparticles after firing. Catalyst candidates were screened using symmetric cells supported on ...
Catalytic Surface Promotion of Composite Cathodes in Protonic Ceramic Fuel Cells

Solis Díaz, Cecilia; Navarrete Algaba, Laura; Bozza, Francesco; Bonanos, Nikolaos; Serra Alfaro, José Manuel (Wiley, 2015-08)

[EN] Composite cathodes based on an electronic conductor and a protonic conductor show advantages for protonic ceramic fuel cells. In this work, the performance of a La5.5WO11.25-delta/La0.8Sr0.2MnO3+delta (LWO/LSM) composite ...
Comparative Study of Epoxy-CsH2PO4 Composite Electrolytes and Porous Metal Based Electrocatalysts for Solid Acid Electrochemical Cells

Navarrete Algaba, Laura; Yoo, Chung-Yul; Serra Alfaro, José Manuel (MDPI AG, 2021-03)

[EN] Electrochemical cells based on acid salts (CsH2PO4) have attracted great interest for intermediate temperature, due to the outstanding proton conductivity of acid salts. In this work, electrodes and electrolyte were ...
Desarrollo de cátodos avanzados de pilas de combustible de óxidos sólidos

Navarrete Algaba, Laura (Universitat Politècnica de València, 2012-05-14)

Las pilas de combustible permiten transformar la energía química de combustibles (CH4, H2, etc.) en electricidad del modo más eficiente posible. En este proyecto se han estudiado cátodos para pilas de óxido sólido para ...
Development and understanding of La0.85Sr0.15Cr1-xNixO3-delta anodes for La5.6WO11.4-delta-based Proton Conducting Solid Oxide Fuel Cells

Solis Díaz, Cecilia; Navarrete Algaba, Laura; Balaguer, María; Serra Alfaro, José Manuel (Elsevier, 2014-07-15)

[EN] Porous electrodes based on the system La0.85Sr0.15Cr1-xNixO3-delta (x = 0.1 and 0.2) have been investigated as anodes for proton conducting solid oxide fuel cells based on the La5.6WO11.4-delta (LWO) electrolyte ...
Dielectric and optical evaluation of high-emissivity coatings for temperature measurements in microwave applications

García-Baños, Beatriz; Chiariotti, Paolo; Napolitano, Rachele; Pandarese, Giuseppe; Navarrete Algaba, Laura; Revel, Gian Marco; Catalá Civera, José Manuel (Elsevier, 2022-07)

[EN] In this work, several commercial high-emissivity coatings have been characterized in terms of emissivity, chemical composition and dielectric properties as a function of temperature, under microwave irradiation. ...
Electrochemical properties of composite fuel cell cathodes for La5.5WO12−δ proton conducting electrolytes

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 ...
Enhancing oxygen permeation through Fe2NiO4-Ce0.8Tb0.2O2-delta composite membranes using porous layers activated with Pr6O11 nanoparticles

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 ...
High Temperature Dielectric Properties of Iron- and Zinc-Bearing Products during Carbothermic Reduction by Microwave Heating

García-Baños, Beatriz; Catalá Civera, José Manuel; Sánchez-Marín, Juan Rafael; Navarrete Algaba, Laura; López-Buendía, Angel M.; Schmidt, Lukas (MDPI AG, 2020-05)

[EN] In this work, the carbothermic reduction of iron- and zinc-bearing products is studied through in situ microwave heating, dielectric properties monitoring, and mass spectrometry up to high temperatures (1000 degrees ...
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 ...
Mesoporous nanocomposite sensors based on Sn1-xCexO2-δ metastable solid solution with high percentage of Ce3+ valence state for selective detection of H2 and CO

Somacescu, Simona; Osiceanu, Petre; Calderon-Moreno, Jose Maria; Navarrete Algaba, Laura; Serra Alfaro, José Manuel (Elsevier, 2013-08-15)

[EN] Mesoporous nanocomposite materials based on Sn1-xCexO2-delta (x = 0.1; 0.2; 0.3) solid solution were synthesized by a hydrothermal synthesis route using CTAB-ionic surfactant-as template, for testing their sensing ...
Microwave-Driven Exsolution of Ni Nanoparticles in A-Site Deficient Perovskites

López-García, Andrés; Domínguez-Saldaña, Aitor; Carrillo-Del Teso, Alfonso Juan; Navarrete Algaba, Laura; Valls-Esteve, María Inmaculada; García-Baños, Beatriz; Plaza González, Pedro José; Catalá Civera, José Manuel; Serra Alfaro, José Manuel (American Chemical Society, 2023-11-17)

[EN] Exsolution has emerged as a promising method for generating metallic nanoparticles, whose robustness and stability outperform those of more conventional deposition methods, such as impregnation. In general, exsolution ...
Modulating redox properties of solid-state ion-conducting materials using microwave irradiation

Serra Alfaro, José Manuel; Balaguer Ramirez, Maria; Santos-Blasco, J.; Borrás-Morell, J. F.; García-Baños, Beatriz; Plaza González, Pedro José; Catalán-Martínez, David; Penaranda-Foix, Felipe L.; Domínguez-Saldaña, Aitor; Navarrete Algaba, Laura; Catalá Civera, José Manuel (The Royal Society of Chemistry, 2023-11-27)

[EN] The industrial adoption of low-carbon technologies and renewable electricity requires novel tools for electrifying unitary steps and efficient energy storage, such as the catalytic synthesis of valuable chemical ...
New electrochemical cells for energy conversion and storage

Navarrete Algaba, Laura (Universitat Politècnica de València, 2017-03-03)

In this thesis different materials have been developed to use them in electrochemical cells. The electrochemical cells studied can be divided into two material big groups: solids oxides and acid salts materials. In the ...
NiO / Sr doped Ce(0.85)Pr0.10 Er0.05O(2-delta) mesoarchitectured catalyst for partial oxidation of CH4 and anode fueled by H-2

Navarrete Algaba, Laura; Florea, Mihaela; Osiceanu, Petre; Calderon-Moreno, Jose Maria; Trandafir, Mihaela M.; Somacescu, Simona; Serra Alfaro, José Manuel (Elsevier, 2021-08)

[EN] Our study focuses on an advanced exploratory research based on the development of the new IT-SOFCs anode compositions in conjunction with surfactants as template to obtain mesoarchitectured catalysts. We designed ...
Optimization of SOFC Composite Cathodes Based on LSM and Doped Cerias Ce0.8Ln0.2O2 (Ln = Gd, Er, Tb and Pr)

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 ...
Protonic Conduction of Partially-Substituted CsH2PO4 and the Applicability in Electrochemical Devices

Navarrete Algaba, Laura; Andrio, Andreu; Escolástico Rozalén, Sonia; Moya, Sergio; Compañ Moreno, Vicente; Serra Alfaro, José Manuel (MDPI AG, 2019-04)

[EN] CsH2PO4 is a proton conductor pertaining to the acid salts group and shows a phase transition from monoclinic to cubic phase at 232 +/- 2 degrees C under high-steam atmospheres (>30%). This cubic phase gives rise to ...
Redox stability and electrochemical study of nickel doped chromites as anodes for H-2/CH4-fueled solid oxide fuel cells

Vert Belenguer, Vicente Bernardo; MELO FAUS, FRANCISCO VICENTE; Navarrete Algaba, Laura; Serra Alfaro, José Manuel (Elsevier, 2012)

[EN] The influence of nickel and strontium incorporation in LaCrO3 on the crystalline structure, redox behavior and electrochemical performance by impedance spectroscopy using symmetrical cells has been studied. Namely, ...
Reversible electrodes based on B-site substituted Ba0.5Sr0.5Co0.8Fe0.2O3-delta for intermediate temperature solid-oxide cells

Navarrete Algaba, Laura; Hannahan, C.; Serra Alfaro, José Manuel (Elsevier, 2022-03)

[EN] The Ba0.5Sr0.5Co0.8Fe0.2O3-delta perovskite is a promising electrode material for solid-oxide electrochemical cells exhibiting excellent oxygen reduction reaction (ORR) activity and mixed ionic-electronic transport ...