Search Results - "Porotnikova, N.M."

High-temperature glassy-ceramic sealants SiO2—Al2O3—BaO—MgO and SiO2—Al2O3—ZrO2—CaO—Na2O for solid oxide electrochemical devices by QI, S., POROTNIKOVA, N.M., ANANYEV, M.V., KUZMIN, A.V., EREMIN, V.A., PANKRATOV, A.A., MOLCHANOVA, N.G., REZNITSKIKH, O.G., FARLENKOV, A.S., VOVKOTRUB, E.G., ZAIKOV, Yu.P.

“…Glasses of the SiO2–Al2O3–BaO–MgO and SiO2–Al2O3–ZrO2–CaO–Na2O systems were synthesized in the perspective to apply them as sealants in SOFC at operating…”
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16O2 – 18O2 interface exchange study between gas phase and the BaFeO3– oxide by Khodimchuk, A.V., Zakharov, D.M., Gordeev, E.V., Porotnikova, N.M.

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Recent advances in heteroatom substitution Sr2Fe1.5Mo0.5O6–δ oxide as a more promising electrode material for symmetrical solid-state electrochemical devices: A review by Porotnikova, N.M., Osinkin, D.A.

“…In recent years, the interest in solid state electrochemical devices has significantly increased due to the various cases of their use in the energy field. The…”
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Degradation study of La0.6Sr0.4Co1–Fe O3–δ based symmetric cells by means of impedance spectroscopy and oxygen isotope exchange by Porotnikova, N.M., Antonova, E.P., Ananyev, M.V., Eremin, V.A., Farlenkov, A.S.

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Influence of strontium content on the oxygen surface exchange kinetics and oxygen diffusion in La1–Sr CoO3–δ oxides by Ananyev, M.V., Porotnikova, N.M., Kurumchin, E.Kh

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16O2 – 18O2 interface exchange study between gas phase and the BaFeO3–δ oxide by Khodimchuk, A.V., Zakharov, D.M., Gordeev, E.V., Porotnikova, N.M.

“…Studies of oxygen surface exchange kinetics for BaFeO3–δ oxide were performed using the oxygen isotope exchange method with pulsed supply of an isotopically…”
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Influence of strontium content on the oxygen surface exchange kinetics and oxygen diffusion in La1–xSrxCoO3–δ oxides by Ananyev, M.V., Porotnikova, N.M., Kurumchin, E.Kh

“…Oxygen surface exchange kinetics between the gas phase oxygen and La1–xSrxCoO3–δ (x = 0, 0.3, 0.4, 0.6) oxides at 0.67 kPa oxygen pressure in the 600–850°°С…”
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Influence of polarization on the electrochemical activity of La2–xCaxNiO4+δ electrodes in contact with Ce0.8Sm0.2O1.9 electrolyte by Antonova, E.P., Khodimchuk, A.V., Tropin, E.S., Fetisov, A.V., Porotnikova, N.M.

“…The effect of electrode polarization on the electrochemical activity of La2NiO4+δ and La1.9Ca0.1NiO4+δ electrodes in contact with the Ce0.8Sm0.2O1.9…”
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Degradation study of La0.6Sr0.4Co1–xFexO3–δ based symmetric cells by means of impedance spectroscopy and oxygen isotope exchange by Porotnikova, N.M., Antonova, E.P., Ananyev, M.V., Eremin, V.A., Farlenkov, A.S.

“…Degradation tests over 300 h were carried out on the symmetric cell with Zr0.84Y0.16O1.92 (YSZ) supporting electrolyte, Ce0.9Gd0.1O1.95 (CGO) barrier layer,…”
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Strategy for improving the functional performances of complex oxide through the use of a fluorine-containing precursor by Osinkin, D.A., Zakharov, D.M., Khodimchuk, A.V., Antonova, E.P., Bogdanovich, N.M., Gordeev, E.V., Suntsov, A. Yu, Porotnikova, N.M.

“…The complex oxide Sr1·95Fe1·4Ni0·1Mo0·5O6–х–δ(Fх), where х = 0, 0.1, 0.2 and 0.3, as one of the most promising materials for electrodes of symmetrical…”
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Enhancement of surface exchange and oxygen diffusion of Sr1.95Fe1.4Ni0.1Mo0.5O6–δ oxide determined by two independent isotope exchange methods by Porotnikova, N.M., Khodimchuk, A.V., Zakharov, D.M., Bogdanovich, N.M., Osinkin, D.A.

“…[Display omitted] •Comparison of surface exchange kinetics on SFNM obtained using two different methods: PIE and IE GPE.•The surface morphology has no effect…”
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Applicability of gas-phase isotope exchange method for investigation of porous materials by Porotnikova, N. M., Ananyev, M. V.

“…Oxygen transport in ceramic oxide materials has been actively explored over the past decades. This is due to the desire to design high-temperature…”
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H/D isotopic exchange and electrochemical kinetics of hydrogen oxidation on Ni-cermets with oxygen-ionic and protonic electrolytes by Zakharov, D.M., Tropin, E.S., Osinkin, D.A., Farlenkov, A.S., Porotnikova, N.M., Ananyev, M.V.

“…Ni–Zr0.82Y0.18O1.91 (YSZ) and Ni–La0.90Sr0.10ScO2.95 (LSS) cermets for solid oxide and protonic ceramic electrochemical cells were studied by means of H/D…”
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Local disorder and water uptake in La1–xSrxScO3–δ by Farlenkov, A.S., Smolnikov, A.G., Ananyev, M.V., Khodimchuk, A.V., Buzlukov, A.L., Kuzmin, A.V., Porotnikova, N.M.

“…Structure of perovskite oxides La1–xSrxScO3–δ (x=0, 0.04, 0.09) have been studied by X-Ray powder diffraction method. Orthorhombic distortions are found to…”
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Local disorder and water uptake in La1–Sr ScO3–δ by Farlenkov, A.S., Smolnikov, A.G., Ananyev, M.V., Khodimchuk, A.V., Buzlukov, A.L., Kuzmin, A.V., Porotnikova, N.M.

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Oxygen isotope exchange and diffusion in LnBaCo2O6−δ (Ln=Pr, Sm, Gd) with double perovskite structure by Ananyev, M.V., Eremin, V.A., Tsvetkov, D.S., Porotnikova, N.M., Farlenkov, A.S., Zuev, A.Yu, Fetisov, A.V., Kurumchin, E.Kh

“…The interaction of oxygen in the gas phase with double perovskites LnBaCo2O6−δ (Ln=Pr, Sm, Gd) was studied by the isotope exchange method with gas phase…”
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Influence of modifying additives on electrochemical performance of La2NiO4+δ - based oxygen electrodes by Antonova, E.P., Khodimchuk, A.V., Tropin, E.S., Porotnikova, N.M., Farlenkov, A.S., Vlasov, M.I., Ananyev, M.V.

“…The effect of the La2NiO4+δ and Pr2NiO4+δ modifying additives on the electrochemical performance of the La2NiO4+δ oxygen electrodes has been investigated. It…”
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Alumina–silica glass–ceramic sealants for tubular solid oxide fuel cells by Saetova, N. S., Krainova, D. A., Kuzmin, A. V., Raskovalov, A. A., Zharkinova, S. T., Porotnikova, N. M., Farlenkov, A. S., Moskalenko, N. I., Ananyev, M. V., Dyadenko, M. V., Ghosh, S.

“…In this work, we synthesized the glasses of the SiO 2 –Al 2 O 3 –CaO–Na 2 O–MgO–K 2 O–B 2 O 3 –Y 2 O 3 system and investigated their thermal properties under…”
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Oxygen isotope exchange in doped calcium and barium zirconates by Farlenkov, A.S., Ananyev, M.V., Eremin, V.A., Porotnikova, N.M., Kurumchin, E.Kh, Melekh, B.-T.

“…The oxygen tracer diffusion coefficient and the oxygen surface exchange coefficient were measured in CaZr1−xScxO3−x/2 (x=0, 0.01, 0.05) and BaZr0.8Y0.2O2.9…”
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Oxygen isotope exchange in praseodymium nickelate by Porotnikova, N. M., Khodimchuk, A. V., Ananyev, M. V., Eremin, V. A., Tropin, E. S., Farlenkov, A. S., Pikalova, E. Yu, Fetisov, A. V.

“…Oxygen surface exchange kinetics and diffusion were studied in Pr 2 NiO 4 + δ (PNO) by the isotope exchange method with gas phase equilibration in the…”
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