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Physicochemical properties of the heterogeneous system Li2CO3-Na2CO3-K2CO3/MgO [PDF]

open access: yesJournal of the Serbian Chemical Society, 2023
The structure, conductivity, melting points and caloric melting effects of the (Li2CO3–Na2CO3–K2CO3)eut melt/MgO nanopowder heterogeneous system with MgO concentration up to 70 vol. % have been investigated. A wide variety of methods (DSC, XRD, BET, high
Zakiryanova Irina D.   +2 more
doaj   +1 more source

Ceramic materials based on lanthanum zirconate for the bone augmentation purposes: materials science approach

open access: yesChimica Techno Acta, 2022
The creation of new non-toxic materials that combines high osteointegration and strength characteristics is an urgent contemporary challenge. The use of complex oxides, such as lanthanum zirconate (La2Zr2O7), as non-reservable alloplastic implant ...
Nataliia Tarasova   +4 more
doaj   +1 more source

Chemical stability aspects of BaCe0.7–xFexZr0.2Y0.1O3–δ mixed ionic-electronic conductors as promising electrodes for protonic ceramic fuel cells

open access: yesChimica Techno Acta, 2023
Mixed ion-electron conductors (MIECs) are promising materials for air electrodes for protonic ceramic fuel cells (PCFCs) or oxygen permeation membranes.
Liana Tarutina   +5 more
doaj   +1 more source

Electrical conductivity of GdCl3-LiCl and GdCl3-LiCl-Gd2O3 molten systems [PDF]

open access: yesJournal of the Serbian Chemical Society, 2023
The electrical conductivity of LiCl–GdCl3 molten systems with the gadolinium chloride additions ranging from 0 to 23 mol % was measured depending on both the temperature and concentration of GdCl3.
Nikolaeva Elena V.   +3 more
doaj   +1 more source

Novel Nb5+-doped hexagonal perovskite Ba5In2Al2ZrO13 (structure, hydration, electrical conductivity)

open access: yesChimica Techno Acta, 2022
The new phase Ba5In2Al2Zr0.9Nb0.1O13.05 with hexagonal perovskite structure was obtained. The substitution of Zr4+ by smaller Nb5+ was accompanied by the incorporation of the oxygen interstitials and did not lead to a significant change in the lattice ...
Roman D. Andreev   +3 more
doaj   +1 more source

Borated graphite cathodes for low-temperature aluminum electrolysis

open access: yesChimica Techno Acta, 2022
Electrochemical boriding of the graphite plates in the potassium cryolite based electrolytes was studied. The boriding were carried out in a cell with vertical electrodes. The procedure included 2 stages: 1) electrolysis in the KF–AlF3–KBF4 melt (CR=1.3)
A. V. Rudenko   +3 more
doaj   +1 more source

Electroreduction of silicon from the NaI–KI–K2SiF6 melt for lithium-ion power sources

open access: yesChimica Techno Acta, 2022
Silicon and silicon-based materials are increasingly used in microelectronics, metallurgy and power generation. To date the active study aimed at the development of silicon materials to be used in devices for solar energy conversion, accumulation and ...
Rayana K. Abdurakhimova   +5 more
doaj   +1 more source

Effect of Sn doping on sinterability and electrical conductivity of strontium hafnate

open access: yesChimica Techno Acta, 2023
The effect of isovalent substitution of hafnium by tin in strontium hafnate on sinterability and electrical conductivity was studied for the first time. The ceramic samples SrHfxSn1–xO3–δ (x = 0–0.16) were synthesized by solid-state reaction and sintered
Adelya S. Khaliullina   +2 more
doaj   +1 more source

Effect of Al2O3 and CaF2 additives on the viscosity of conventional cryolite melts

open access: yesChimica Techno Acta, 2021
The viscosity of cryolite melts of conventional composition NaF–AlF3–CaF2–Al2O3 was studied by rotational viscometry using the FRS 1600 high-temperature rheometer.
A. S. Lyutina   +3 more
doaj   +1 more source

Application of Promising Electrode Materials in Contact with a Thin-Layer ZrO2-Based Supporting Electrolyte for Solid Oxide Fuel Cells

open access: yesEnergies, 2020
The paper presents the results of an investigation into thin single- and triple-layer ZrO2-Sc2O3-based electrolytes prepared using the tape-casting technique in combination with promising electrodes based on La2NiO4+δ and Ni-Ce0.8Sm0.2O2-δ ...
Denis A. Osinkin   +11 more
doaj   +1 more source

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