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Browsing by Subject "Proton conductor"

Now showing items 1-11 of 11

Adjusting the conduction properties of La0.995Ca0.005NbO4 by doping for proton conducting fuel cells electrode operation

Solis Díaz, Cecilia; Serra Alfaro, José Manuel (Elsevier, 2011-05-19)

[EN] Structural characterization and transport properties of A- (Ce and Pr) and B-site (Mn) doped La0.995Ca0.005- NbO4 (-) (delta) (LCN) have been investigated. Conductivity data have been analyzed in the temperature range ...
Catalytic activation of ceramic H2 membranes for CMR processes

Escolástico Rozalén, Sonia; KJOLSETH, C.; Serra Alfaro, José Manuel (Elsevier, 2016-11-01)

[EN] The application of catalytic membrane reactors can overcome some of the disadvantages that reactions for the direct conversion of methane to fuels and petrochemicals present. Hydrogen separation membranes can shift ...
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 ...
Electrochemical properties of composite cathodes for La0.995Ca0.005NbO4-delta-based proton conducting fuel cells

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 ...
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 ...
Epitaxial Films of the proton-conducting Ca-doped LaNbO4 material and study of their charge transport properties

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 ...
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 ...
Hydrogen separation in La5.5WO11.25-delta membranes

Escolástico Rozalén, Sonia; Solis Díaz, Cecilia; Scherb, Tobias; Schumacher, Gerhard; Serra Alfaro, José Manuel (Elsevier, 2013-10-01)

Tungstates Ln(6)WO(12) are proton conducting crystalline materials which show significant mixed protonic and electronic conductivity and stability in moist CO2 environments. These materials are promising candidates for ...
Nd5.5W1xUxO11.25-delta system: Electrochemical characterization and hydrogen permeationstudy

Escolástico Rozalén, Sonia; Serra Alfaro, José Manuel (Elsevier, 2015-09-01)

This work presents the structural and electrochemical characterization of mixed conducting materials based on the system Nd5.5W1-xUxO11.25-delta where x = 0.1, 0.5 and 1. The evolution of the crystalline structure is studied ...
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 ...
Solid state transport and hydrogen permeation in the system Nd5.5W1-xRexO11.25-d

Escolástico Rozalén, Sonia; Somacescu, Simona; Serra Alfaro, José Manuel (American Chemical Society, 2014-01-28)

Nd5.5WO11.25-delta is a mixed proton-electron conducting oxide, which shows an important mixed conductivity and stability in moist CO2 environments. However, the H-2 fluxes obtained with this material are not high enough ...