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Hydrogen production aided by new (1-x) SrTi0.5Fe0.5O3-delta-xCe(0.8)(Sm0.8Sr0.2)(0.2)O2-delta(MIEC) composite membranes
(2014)
In the present work, composite materials of the type (1-x)SrTi0.5Fe0.5O3-delta-xCe(0.8)(Sm0.8Sr0.2)(0.2)O2-delta (with x = 0, 0.25, 0.5, 0.75 and 1) are obtained by the two step solid state technique. Their transport ...
Insights on thermal and transport features of BaCe0.8-xZrxY0.2O3-delta proton-conducting materials
(2015)
BaCe0.8-xZrxY0.2O3-delta-based materials (BCZYx, 0 <= x <= 0.8) are obtained through a modified citrate-nitrate combustion method at 1150 degrees C with following sintering at 1450 degrees C. Then their thermomechanical ...
Electrochemical properties of ceramic membranes based on SrTi0.5Fe0.5O3-delta in reduced atmosphere
(2012)
The present work aims at the investigation of the electrochemical properties of SrTi0.5Fe0.5O3-delta as a membrane material for hydrogen production via electrochemical reforming. The dependence of the electrical conductivity ...
Cu and Gd co-doped BaCeO3 proton conductors: Experimental vs SEM image algorithmic-segmentation results
(2014)
Segmentation algorithms for the quantitative description of the surface microstructure and the evaluation of the grain-boundary conductivity of ceramic materials surface using SEM microphotographs analysis was developed ...
PEMFCs and AEMFCs directly fed with ethanol: a current status comparative review
(2013)
The last decade's research on the performance of proton-exchange membrane direct ethanol fuel cells (PEM-DEFCs) and anion exchange membrane direct ethanol fuel cells (AEM-DEFCs) is included in the present review. Future ...
Sulfur and carbon tolerance of BaCeO3-BaZrO3 proton-conducting materials
(2015)
In the present work, BaCe0.8-xZrxY0.2O3-delta-based ceramic samples (BCZYx) are prepared and their chemical stability in corrosive atmospheres containing high concentrations of H2O, CO2 and H2S is investigated. Based on ...
Single phase materials based on Co-doped SrTiO3 for mixed ionic-electronic conductors applications
(2012)
In the present work the effect of cobalt oxide addition on the structural and electrical properties of strontium titanate is examined. The SrTi1-xCoxO3-delta (0 <= x <= 0.4) samples were synthesized according to solid state ...
Structural, thermomechanical and electrical properties of new (1-x) Ce0.8Nd0.2O2-delta-xBaCe(0.8)Nd(0.2)O(3-delta) composites
(2014)
In this work composite (1-x)Ce0.8Nd0.2O2-delta-xBaCe(0.8)Nd(0.2)O(3-delta) ceramics were prepared via the one-step citrate-nitrate combustion procedure, and characterised by TG-DSC, XRD analysis, and SEM. Their transport ...
Novel composite solid state electrolytes on the base of BaCeO3 and CeO2 for intermediate temperature electrochemical devices
(2013)
In the present work, nano-sized powders of (1-x)Ce0.8Sm0.2O2-delta-xBaCe(0.8)Sm(0.2)O(3-delta) (x = 0, 0.3, 0.5, 0.7 and 1) were obtained by solution combustion synthesis (self-combustion synthesis, SCS) method of nitrate ...
Conductivity of Gd-doped BaCeO3 protonic conductor in H-2-H2O-O-2 atmospheres
(2014)
In the present investigation, a radically new and simple method of evaluation of the proton conductivity is proposed. This method is based on the conductivity measurement of ceramic materials depending on the oxygen partial ...