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Article
Aggregatively stable suspensions of micrometer powders of doped barium cerate for electrophoretic deposition of thin-film coatings of solid-oxide fuel cells
Potentialities of the method of electrophoretic deposition of thin-film coatings based on micrometer powders of multidoped barium cerate BaCe0.8Sm0.19Cu0.01O3–δ (BCSCuO) and BaCe0.89Gd0.1Cu0.01O3–δ (BCGCuO) were ...
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Article
A study of the electrophoretic deposition of thin-film coatings based on barium cerate nanopowder produced by laser evaporation
The method of laser ablation of a target, followed by condensation, was used to obtain a weakly aggregated BCSO nanopowder from barium cerate. The dispersity, fraction composition of the nanopowder, electrokin...
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Article
Structure, stability, and thermomechanical properties of Ca-substituted Pr2NiO4 + δ
Ca-substituted layered nickelates with a general Pr2–x Ca x NiO4 + δ composition (x = 0–0.7, Δx = 0.1) were prepared in the present work and their...
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Article
Raman and impedance spectroscopic studies of the specific features of the transport properties of electrolytes based on CeO2
The solid solutions CeO2–(Sm,Nd)2O3 have been prepared by the solid-phase synthesis. The microstructure, density, and electrical conductivity of ceramic samples obtained by rolling with an organic binder, followe...
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Article
The effect of copper on the properties of La1.7Ca0.3NiO4 + δ-based cathodes for solid oxide fuel cells
The aim of the work was to develop the electrochemically active cathodes with a low in-plane resistance for application in the intermediate-temperature solid oxide fuel cells in contact with CeO2-based solid elec...
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Article
Nanostructured composite materials of cerium oxide and barium cerate
Nanosized powders with a composition of (1-x)Ce0.8Sm0.2O2-δ-xBace0.8Sm0.2O3-δ (x = 0, 0.3, and 1) were obtained by self-ignition combustion synthesis (SICS) from the appropriate nitrates and various organic fuels...
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Article
Electrophysical properties of Ce0.8Gd0.2O2 − δ + x mol % Al2O3 solid composite electrolytes
The influence of aluminum and cobalt oxides on the microstructure and the mechanical, electrical, and optical properties of the Ce0.8Gd0.2O2−δ solid electrolyte was studied. Using nanosized Al2O3 in the synthesis...
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Article
Structural and electric properties of the Ce0.8(Sm1 − x Ca x )0.2O2 − δ system (x = 0.0–1.0)
CeO2-based solid solutions with a fluorite structure are promising materials as electrolytes of medium-temperature electrochemical devices. This work presents the results of systematic studies of structural and e...
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Article
Solid electrolytes based on CeO2 for medium-temperature electrochemical devices
CeO2-based solid solutions with a fluorite structure are promising materials as electrolytes of medium-temperature electrochemical devices: electrolytic cells, oxygen sensors, and solid oxide fuel cells. In this ...
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Article
Effect of the synthesis technique on the physicochemical properties of Ce0.8(Sm0.75Sr0.2Ba0.05)0.2O2 − δ
A multicomponent solid electrolyte of composition Ce0.8(Sm0.75Sr0.2Ba0.05)0.2O2 − δ has been synthesized by three different techniques: solid-state reaction, laser evaporation, and the glycine nitrate process. It...
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Article
Potentiometric cells with oxygen-conducting solid electrolyte based on ceria
The present work presents studies of potentiometric cells with electrolyte of 0.98Ce0.8(Sm0.75Sr0.2Ba0.05)0.2O1.875 + 0.02TiO2 and electrodes of silver or various materials with a perovskite structure. The oxygen...
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Article
Promising membrane materials based on strontium titanate
Electroconductivity of SrTi1−x Fe x O3−δ(x = 0–0.5) specimens was studied by four-probe method. An opportunity was studied to produce hydrogen by high-tem...
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Article
Effect of sintering temperature on microstructure, electric and optical properties of Ce0.8Gd0.2O2−δ + 2 mol % TiO2
The effect of the sintering temperature of the Ce0.8Gd0.2O2−δ + 2 mol % TiO2 on its microstructure, electric, and optical properties was studied using the methods of x-ray spectroscopy, scanning electron microsco...
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Article
Effect of do** with Co2O3, TiO2, Fe2O3, and Mn2O3 on the properties of Ce0.8Gd0.2O2−δ
The effects of Co, Fe, Mn, and Ti oxide additions on the sinterability and crystal-chemical, thermal, and electrical properties of Ce0.8Gd0.2O2−δ have been studied. The results indicate that these oxides enhance ...
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Article
Thermal expansion and electrical conductivity of La0.7Sr0.3Mn1 − y CryO3
The thermal expansion and electrical conductivity of La0.7Sr0.3Mn1 − y CryO3 (y = 0, 0.1, 0.3, 0.4) solid solutions have been studied at temperatures from 300 to 1270 K and oxygen partial ...
