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Article
Formation and Electrochemical Activity of Nanostructured Anodes of Solid Oxide Fuel Cells in Hydrogen-Containing Atmospheres
A comparative analysis of the features of the formation, morphology, and electrochemical activity of composite anodes of solid oxide fuel cells was performed using nanosized particles of NiO and Ce0.8Gd0.2O2 – δ....
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Article
Oxygen permeability, stability and electrochemical behavior of \( \Pr _{2} {\text{NiO}}_{{4 + \delta }} \) -based materials
The high-temperature electronic and ionic transport properties, thermal expansion and stability of dense $$ \Pr _{2} {\text{NiO}}_{{4 ...
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Chapter and Conference Paper
Glass-Ceramic Sealants for SOFC-Based Systems
The studies of electrochemical, physicochemical and mechanical properties of glass-ceramic sealants, based on SiO2-Al2O3-CaO-BaO and SiO2-MgO-BaO systems, showed sufficient stability in contact with zirconia, lan...
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Chapter and Conference Paper
Cellulose-Precursor Synthesis of Electrocatalytically Active Components of SOFCs and Mixed-Conducting Membrane Reactors
Developments of intermediate-temperature solid oxide fuel cells and electrocatalytic reactors require novel electrode and catalyst materials with high performance at 800–1100 K, low-cost processing technologie...
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Article
Properties of CaTi1 − xFe x O3 − δ Ceramic Membranes
CaCO3, TiO2 and Fe2O3 were mixed in the appropriate stoichiometric quantities and calcined at 1100∘C for 10 h. These powder mixtures were uniaxially pressed and sintered at temperatures ranging from 1350 to 1500_...
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Article
Stability and Thermal Expansion of Na+-Conducting Ceramics
An impedance spectroscopy study of sodium cation-conducting ceramics, including layered compounds Na0.8Ni0.4Ti0.6O2, Na0.8Fe0.8Ti0.2O2, Na0.8Ni0.6Sb0.4O2 (structural type O3), Na0.68Ni0.34Ti0.66O2 (P2 type), and ...
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Article
Mechanically-Activated Synthesis and Mixed Conductivity of TbMO4−δ (M = Zr, Hf) Ceramics
Terbium hafnate and zirconate ceramics with submicron grain sizes were prepared via mechanically-activated synthesis. X-ray and electron diffraction and infrared (IR) absorption spectroscopy showed that TbZrO4−δ ...
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Article
Synthesis, Physicochemical Characterization and Ionic Conductivity of LaGa0.4Mg0.2M0.4O3−δ (M = Cr, Mn, Fe, Co)
Partial electronic and ionic conductivities, crystal structure, thermal expansion and infrared absorption spectra of the perovskite-type series, LaGa0.40Mg0.20M0.40O3−δ (M = Cr, Mn, Fe, and Co), have been studied...
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Article
Ceria-based materials for solid oxide fuel cells
This paper is focused on the comparative analysis of data on electronic and ionic conduction in gadolinia-doped ceria (CGO) ceramics as well as on the electrochemical properties of various oxide electrodes in ...
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Article
Physicochemical and Transport Properties of Bicuvox-Based Ceramics
Polycrystalline Bi2-xLaxV0.90Cu0.10O5.5-α (x = 0, 0.10 and 0.20) and Bi1.90Pr0.10V0.90Cu0.10O5.5-α were prepared by the standard ceramic synthesis technique. Electrical conductivity of the Bi1.90La0.10V0.90Cu0.10
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Article
Effects of some technological factors on the properties of current-carrying films