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Article

Electrochemical behavior of perovskite-type Ce_1−xCa_xVO₃ under reducing conditions

The incorporation of calcium into the zircon-type lattice of Ce_1−xCa_xVO₄ (x = 0.2–0.4), stable at atmospheric oxygen pressure, leads to a modest decrease in the unit cell volume and electrical conductivity, predo...

E. V. Tsipis, D. V. Zhigacheva, A. O. Zhigachev… in Journal of Solid State Electrochemistry (2024)

Article

Mixed Ionic-Electronic Conductivity of the Fluorite-Type Ce₁ _{– x – y}La_xPr_yO_{2 – δ} Solid Solutions under Reducing Conditions

The electrical conductivity of fluorite-type Ce_{1 –} _{x – y}La_xPr_yO_{2 – δ} (x = 0.29–0.40, y = 0–0.14) solid solutions was studied over the oxygen partial pressure range from 10^–20 to 0.5 atm at 973–1223 K. The (Сe,La)...

A. I. Ivanov, S. I. Bredikhin, V. V. Kharton in Russian Journal of Electrochemistry (2022)

Article

Ionic transport in (La,Sr)CoO_3-δ ceramics

Increasing Sr²⁺ concentration and the creation of A-site deficiency in La_1-x-ySr_xCoO_3-δ (x = 0.3–0.7, y = 0–0.05) increase oxygen ionic conductivity, oxygen permeability of the dense ceramic membranes, and surfac...

E. V. Tsipis, E. N. Naumovich, M. V. Patrakeev… in Journal of Solid State Electrochemistry (2021)

Article

Electrochemical Behavior of (Fe,Ni)O_x-Based Anodes for Solid-Oxide Fuel Cells in Methane-Containing Atmospheres

The work is devoted to investigation of the electrochemical behavior of (Fe,Ni)O_x-based composite anodes in the hydrogen- and methane-containing fuel. Among the studied composites, the optimum electrochemical cha...

V. A. Kolotygin, A. I. Ivanov, D. V. Matveev… in Russian Journal of Electrochemistry (2020)

Article

The Mixed Electronic and Ionic Conductivity of Perovskite-Like Ba_{1 –}_xSr_xFe_{1 –}_yTi_yO_{3 – δ} and BaTi_0.5Fe_{0.5 –}_zCe_zO_{3 – δ} Solid Solutions

The work is focused on the studying of structural peculiarities, electronic and ionic conductivity, and thermomechanical properties of perovskite-like compositions in Ba_{1 –}_xSr_xFe_{1 –}_yTi_yO_{3 – δ} and BaTi_0.5Fe_{0.5 –}_zC...

V. A. Kolotygin, A. P. Viskup, E. V. Pivak… in Russian Journal of Electrochemistry (2020)

Article

Stability and Functional Properties of Fluorite-Like Ce_{0.6 –}_xLa_0.4Pr_xO_{2 – δ} as Electrode Components for Solid Oxide Fuel Cells

In order to evaluate applicability of Ce_{0.6 –}_хLa_0.4Pr_хO_{2 – δ} (x = 0–0.2) fluorites for protective interlayers and electrode components for intermediate-temperature solid oxide fuel cells (SOFCs), their thermal ex...

A. I. Ivanov, I. I. Zver’kova, E. V. Tsipis… in Russian Journal of Electrochemistry (2020)

Article

Electrical Conductivity, Thermal Expansion and Electrochemical Properties of Perovskites PrBaFe_2–xNi_xO_{5 + δ}

In order to evaluate applicability of mixed-conducting PrBaFe_2–xNi_xО_{5 + δ} perovskites for cathodes of solid oxide fuel cells (SOFCs), their crystal structure, thermal and chemi...

A. I. Ivanov, V. A. Kolotygin, E. V. Tsipis… in Russian Journal of Electrochemistry (2018)

Article

Oxygen Nonstoichiometry and Transport Properties of Mixed-Conducting Ce_0.6–xLa_0.4Pr_xO_2–δ

The oxygen nonstoichiometry and electrical conductivity of fluorite-type solid solutions Ce_0.6‒xLa_0.4Pr_xO_2–δ (x = 0.1–0.2) were studied in the oxygen partial pressure range 10^–...

A. I. Ivanov, V. A. Kolotygin, M. V. Patrakeev… in Russian Journal of Electrochemistry (2018)

Article

Redox Behavior and Transport Properties of Composites Based on (Fe,Ni)₃O_{4 ± δ} for Anodes of Solid Oxide Fuel Cells

The Fe–Ni–O system designed for producing bimetal-containing composite anodes of solid oxide fuel cells (SOFCs) was studied. The solubility of nickel in the structure of spinel (Fe,Ni)₃O_{4 ± δ} at atmospheric oxyge...

V. A. Kolotygin, V. A. Noskova, S. I. Bredikhin… in Russian Journal of Electrochemistry (2018)

Article

Transport and Electrochemical Properties of SrFe(Al,Mo)O_3–δ

In this work, effects of molybdenum do** on the crystal structure, stability, electrical conductivity, oxygen permeability and thermomechanical properties of Sr(Fe,Al)O_3–δ-based perovskites, were studied. The e...

V. A. Kolotygin, E. V. Tsipis, A. A. Markov… in Russian Journal of Electrochemistry (2018)

Article

Defect formation, ordering, and transport in SrFe_1–xSi_xO_3–δ (x = 0.05–0.20)

Oxygen nonstoichiometry of perovskite-like SrFe_1–xSi_xO_3–δ (x = 0.05–0.20), studied by thermogravimetric analysis and coulometric titration in ...

O. V. Merkulov, E. N. Naumovich, M. V. Patrakeev… in Journal of Solid State Electrochemistry (2018)

Article

Grain-boundary states in solid oxide electrolyte ceramics processed using iron oxide sintering aids: a Mössbauer spectroscopy study

In order to appraise microstructure-determined defect formation processes and minor intergranular states in the solid electrolyte materials sintered employing transition metal oxide additives, the transmission...

E.V. Tsipis, J.C. Waerenborgh, V.V. Kharton in Journal of Solid State Electrochemistry (2017)

Article

Regularities of high-temperature oxidation of current collectors of solid oxide fuel cells due to diffusion processes in subsurface regions

A complex study of regularities of oxidative reactions is carried out in subsurface layers of current collectors of solid oxide fuel cells manufactured of Crofer 22APU or Crofer 22H stainless steel. The method...

N. V. Demeneva, D. V. Matveev, V. V. Kharton… in Russian Journal of Electrochemistry (2016)

Article

Kinetics of NiO reduction and morphological changes in composite anodes of solid oxide fuel cells: Estimate using Raman scattering technique

The kinetics of nickel reduction and morphological changes in Ni–10Sc1CeSZ composite anodes in intermediate-temperature solid oxide fuel cells (SOFC) are studied using the Raman spectroscopy technique with the...

D. A. Agarkov, I. N. Burmistrov, F. M. Tsybrov… in Russian Journal of Electrochemistry (2016)

Article

Electrophysical and thermomechanical properties of perovskites La_0.5A_0.5Mn_0.5Ti_0.5O_3–δ (A = Ca, Sr, Ba) used as fuel cell anodes: the effect of radius of alkali-earth cation

The effect of the radius of the alkali-earth cation substituted into the A sublattice of La_0.5A_0.5Mn_0.5Ti_0.5O_3–δ (А = Са, Sr, Ba) perovskites on their stability and transport and thermomechanical properties is co...

V. A. Kolotygin, A. I. Ivanov, S. I. Bredikhin… in Russian Journal of Electrochemistry (2016)

Article

Stability, mixed conductivity, and thermomechanical properties of perovskite materials for fuel cell electrodes based on La_0.5A_0.5Mn_0.5Ti_0.5O_3–δ, La_0.5Ba_0.5Ti_0.5Fe_0.5O_3–δ, and (La_0.5А_0.5)_0.95Cr_0.5Fe_0.5O_3–δ (A = Ca, Ba)

For materials based on ferrites and manganites with Са²⁺ and Ва²⁺ cations substituted into А sublattice, the functional properties are studied and the prospects as electrode materials for solid-oxide fuel cells a...

V. A. Kolotygin, E. V. Tsipis, M. V. Patrikeev… in Russian Journal of Electrochemistry (2016)

Article

Ion transport in dual-phase SrFe_1−xТа_xO_3−δ (x = 0.03 − 0.10): effects of redox cycling

The incorporation of tantalum cations in mixed-conducting SrFe_1-xTa_xO_3−δ (x = 0.03 − 0.10) results in the formation of single cubic perovskite-like phases in oxidizing atmospheres while under red...

E. V. Shalaeva, M. V. Patrakeev, A. A. Markov… in Journal of Solid State Electrochemistry (2015)

Article

Stability and functional properties of Sr_0.7Ce_0.3MnO_{3 − δ} as cathode material for solid oxide fuel cells

Studies of oxygen diffusion, interphase exchange, specific electric conductivity, and thermal expansion showed that perovskite-like Sr_0.7Ce_0.3MnO_{3 − δ} (SCMO) as a potential cathode material for solid oxide fuel c...

I. E. Kuritsyna, V. V. Sinitsyn, Yu. S. Fedotov… in Russian Journal of Electrochemistry (2014)

Article

Synthesis and properties of fuel cell anodes based on (La_{0.5 + x}Sr_{0.5 − x})_{1 − y}Mn_0.5Ti_0.5O_{3 − δ} (x = 0–0.25, y = 0–0.03)

Results are presented of studying electrochemical properties of perovskite-like solid solutions (La_{0.5 + x}Sr_{0.5 − x})_{1 − y}Mn_0.5Ti_0.5O_{3 − δ} (x = 0–0.25, y = 0–0.03...

A. I. Ivanov, D. A. Agarkov, I. N. Burmistrov… in Russian Journal of Electrochemistry (2014)

Article

Analysis of electric properties of ZrO₂-Y₂O₃ single crystals using teraherz IR and impedance spectroscopy techniques

The data obtained by impedance spectroscopy (1 Hz to 32 MHz) and broad-band dielectric spectroscopy (30 GHz-150 THz) are presented for crystals based on zirconia doped by 1.5–30 mol % Y₂O₃ or 10 mol % Sc₂O₃ and 1...

V. G. Artemov, I. E. Kuritsyna, S. P. Lebedev… in Russian Journal of Electrochemistry (2014)

45 Result(s)

Electrochemical behavior of perovskite-type Ce_1−xCa_xVO₃ under reducing conditions

Mixed Ionic-Electronic Conductivity of the Fluorite-Type Ce₁ _{– x – y}La_xPr_yO_{2 – δ} Solid Solutions under Reducing Conditions

Ionic transport in (La,Sr)CoO_3-δ ceramics

Electrochemical Behavior of (Fe,Ni)O_x-Based Anodes for Solid-Oxide Fuel Cells in Methane-Containing Atmospheres

The Mixed Electronic and Ionic Conductivity of Perovskite-Like Ba_{1 –}_xSr_xFe_{1 –}_yTi_yO_{3 – δ} and BaTi_0.5Fe_{0.5 –}_zCe_zO_{3 – δ} Solid Solutions

Stability and Functional Properties of Fluorite-Like Ce_{0.6 –}_xLa_0.4Pr_xO_{2 – δ} as Electrode Components for Solid Oxide Fuel Cells

Electrical Conductivity, Thermal Expansion and Electrochemical Properties of Perovskites PrBaFe_2–xNi_xO_{5 + δ}

Oxygen Nonstoichiometry and Transport Properties of Mixed-Conducting Ce_0.6–xLa_0.4Pr_xO_2–δ

Redox Behavior and Transport Properties of Composites Based on (Fe,Ni)₃O_{4 ± δ} for Anodes of Solid Oxide Fuel Cells

Transport and Electrochemical Properties of SrFe(Al,Mo)O_3–δ

Defect formation, ordering, and transport in SrFe_1–xSi_xO_3–δ (x = 0.05–0.20)

Grain-boundary states in solid oxide electrolyte ceramics processed using iron oxide sintering aids: a Mössbauer spectroscopy study

Regularities of high-temperature oxidation of current collectors of solid oxide fuel cells due to diffusion processes in subsurface regions

Kinetics of NiO reduction and morphological changes in composite anodes of solid oxide fuel cells: Estimate using Raman scattering technique

Electrophysical and thermomechanical properties of perovskites La_0.5A_0.5Mn_0.5Ti_0.5O_3–δ (A = Ca, Sr, Ba) used as fuel cell anodes: the effect of radius of alkali-earth cation

Stability, mixed conductivity, and thermomechanical properties of perovskite materials for fuel cell electrodes based on La_0.5A_0.5Mn_0.5Ti_0.5O_3–δ, La_0.5Ba_0.5Ti_0.5Fe_0.5O_3–δ, and (La_0.5А_0.5)_0.95Cr_0.5Fe_0.5O_3–δ (A = Ca, Ba)

Ion transport in dual-phase SrFe_1−xТа_xO_3−δ (x = 0.03 − 0.10): effects of redox cycling

Stability and functional properties of Sr_0.7Ce_0.3MnO_{3 − δ} as cathode material for solid oxide fuel cells

Synthesis and properties of fuel cell anodes based on (La_{0.5 + x}Sr_{0.5 − x})_{1 − y}Mn_0.5Ti_0.5O_{3 − δ} (x = 0–0.25, y = 0–0.03)

Analysis of electric properties of ZrO₂-Y₂O₃ single crystals using teraherz IR and impedance spectroscopy techniques

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