Parcourir par auteur "Maragou, V. I."
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CeO2 based materials doped with lanthanides for applications in intermediate temperature electrochemical devices
Pikalova, E. Y.; Murashkina, A. A.; Maragou, V. I.; Demin, A. K.; Strekalovsky, V. N.; Tsiakaras, P. E. (2011)The present work aims at the investigation of the influence of different dopants' ionic radius and concentration on the lattice parameters and the density of Ce(1-x)Ln(x)O(2-delta) (x = 0-0.20; Ln = La, Nd, Sm, Eu, Gd, Dy, ... -
The effect of co-dopant addition on the properties of Ln(0.2)Ce(0.8)O(2-delta) (Ln = Gd, Sm, La) solid-state electrolyte
Pikalova, E. Y.; Maragou, V. I.; Demina, A. N.; Demin, A. K.; Tsiakaras, P. E. (2008)The present work aims at the investigation of Ln(0.2)Ce(0.8)O(2-delta) (where Ln = Sm, La, Gd) structural and electrical properties when in the Ln sub-lattice, Ba2+ and Sr2+ with ionic radii 1.42 and 1.26 angstrom, ... -
Effect of dopants on CeO2 based solid state electrolytes for intermediate temperature electrochemical devices
Pikalova, E. Yu; Demin, A. K.; Bamburov, V. G.; Maragou, V. I.; Tsiakaras, P. E. (2011)The present work aims at the investigation of the influence of different dopants' ionic radii and their concentration on both the lattice parameters and the density of Ce1-xLnxO2-δ (x = 0-0.20; Ln = La, Nd, Sm, Eu, Gd, Dy, ... -
Hydrogen production aided solid oxide electrochemical reformer fed with octane: A theoretical analysis
Murashkina, A. A.; Maragou, V. I.; Demin, A. K.; Pikalova, E. Y.; Tsiakaras, P. E. (2008)In the present work the possibility of pure hydrogen production by a solid oxide electrochemical reformer (SOER) is examined. Initial reagents are water steam, flowing into the cathode channel and octane flowing into the ... -
The influence of Fe, Cu, Al-doping on the crystal structure, thermal and electrical properties of calcium titanate
Murashkina, A. A.; Demina, A. N.; Demin, A. K.; Maragou, V. I.; Tsiakaras, P. E. (2008)CaTi(1-x)M(x)O(3-delta) (M=Fe, Al, Cu) samples were synthesized by the standard ceramic technology. The stability areas and the crystal structure of the solid solutions were determined by the X-ray Diffraction technique. ... -
Synthesis and electrophysical properties of (1-x)Ce0.8Gd0.2O2-delta+xTiO(2) (x=0-0.06) solid-state solutions
Pikalova, E. Y.; Maragou, V. I.; Demin, A. K.; Murashkina, A. A.; Tsiakaras, P. E. (2008)In the present work the electrical properties of (1-x)Ce0.8Gd0.2O2-delta+xTiO(2) (x=0-0.06) synthesized by the standard ceramic technology were investigated, in a wide range of oxygen partial pressures (0.21-10(-20)atm at ...