Ion Conductivity and Vibrational Spectra of LiNO3–KNO3 + Al2O3 Composites

Composite solid electrolytes are synthesized on the basis of the eutectic nitrate mixture of 0.42LiNO 3 –0.58KNO 3 doped by aluminum oxide nanosized powder. The impedance spectroscopy technique is used to study the conductivity of the obtained composites. Heterogeneous doping results in an increase...

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Veröffentlicht in:Russian journal of electrochemistry 2019-06, Vol.55 (6), p.573-578
Hauptverfasser: Rabadanov, K. Sh, Gafurov, M. M., Kubataev, Z. Yu, Amirov, A. M., Akhmedov, M. A., Shabanov, N. S., Ataev, M. B.
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container_end_page 578
container_issue 6
container_start_page 573
container_title Russian journal of electrochemistry
container_volume 55
creator Rabadanov, K. Sh
Gafurov, M. M.
Kubataev, Z. Yu
Amirov, A. M.
Akhmedov, M. A.
Shabanov, N. S.
Ataev, M. B.
description Composite solid electrolytes are synthesized on the basis of the eutectic nitrate mixture of 0.42LiNO 3 –0.58KNO 3 doped by aluminum oxide nanosized powder. The impedance spectroscopy technique is used to study the conductivity of the obtained composites. Heterogeneous doping results in an increase in ion conductivity and a decrease in activation energy. The method of Raman spectroscopy shows that the doping by aluminum oxide leads to formation of an amorphous phase. At low nanopowder concentrations, amorphization is brought about by the lithium nitrate phase.
doi_str_mv 10.1134/S1023193519060168
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subjects Aluminum oxide
Amorphization
Chemistry
Chemistry and Materials Science
Composite materials
Conductivity
Doping
Electrochemistry
Lithium
Molten salt electrolytes
Physical Chemistry
Raman spectroscopy
Solid electrolytes
Spectrum analysis
Vibrational spectra
title Ion Conductivity and Vibrational Spectra of LiNO3–KNO3 + Al2O3 Composites
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