Russian Journal of Inorganic Chemistry, volume 63, issue 3, pages 319-323

Synthesis and Conductivity Study of Solid Electrolytes Li1 + xAl x Ge2–x(PO4)3 (x = 0–0.65)

Publication typeJournal Article
Publication date2018-03-01
Quartile SCImago
Q3
Quartile WOS
Q3
Impact factor2.1
ISSN00360236, 15318613
Inorganic Chemistry
Physical and Theoretical Chemistry
Materials Science (miscellaneous)
Abstract
A new liquid-phase method has been suggested for synthesis of solid electrolytes with lithium conductivity of composition Li1 + xAl x Ge2–x(PO4)3 (x = 0, 0.1, 0.3, 0.5, 0.6, 0.65) with a NASICON structure. The method is based on the use of an alkaline solution of GeO2 and water-soluble Al(NO3)3 · 9H2O, LiNO3, and (NH4)2HPO4 salts. The synthesized materials have been characterized by X-ray powder diffraction and impedance spectroscopy. The formation of crystalline Li1 + xAl x Ge2–x(PO4)3 products with a NASICON structure is observed at 750–1000°C depending on the degree of substitution of germanium by aluminum. The effect of final powder annealing temperature and ceramics sintering temperature on the phase composition, density, and conductivity of resulting materials has been studied. The material of composition Li1.6Al0.6Ge1.4(PO4)3 produced by sintering the synthesized powder at 900°C exhibits the highest conductivity (3.8 × 10–4 S/cm at a ceramics density of 86%) and the lowest conductivity activation energy (30.5 ± 0.4 kJ/mol in the temperature range 25–250°C).

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Moshareva M. A., Novikova S. A. Synthesis and Conductivity Study of Solid Electrolytes Li1 + xAl x Ge2–x(PO4)3 (x = 0–0.65) // Russian Journal of Inorganic Chemistry. 2018. Vol. 63. No. 3. pp. 319-323.
GOST all authors (up to 50) Copy
Moshareva M. A., Novikova S. A. Synthesis and Conductivity Study of Solid Electrolytes Li1 + xAl x Ge2–x(PO4)3 (x = 0–0.65) // Russian Journal of Inorganic Chemistry. 2018. Vol. 63. No. 3. pp. 319-323.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1134/S0036023618030166
UR - http://link.springer.com/10.1134/S0036023618030166
TI - Synthesis and Conductivity Study of Solid Electrolytes Li1 + xAl x Ge2–x(PO4)3 (x = 0–0.65)
T2 - Russian Journal of Inorganic Chemistry
AU - Moshareva, M A
AU - Novikova, S. A.
PY - 2018
DA - 2018/03/01 00:00:00
PB - Pleiades Publishing
SP - 319-323
IS - 3
VL - 63
SN - 0036-0236
SN - 1531-8613
ER -
BibTex |
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BibTex Copy
@article{2018_Moshareva,
author = {M A Moshareva and S. A. Novikova},
title = {Synthesis and Conductivity Study of Solid Electrolytes Li1 + xAl x Ge2–x(PO4)3 (x = 0–0.65)},
journal = {Russian Journal of Inorganic Chemistry},
year = {2018},
volume = {63},
publisher = {Pleiades Publishing},
month = {mar},
url = {http://link.springer.com/10.1134/S0036023618030166},
number = {3},
pages = {319--323},
doi = {10.1134/S0036023618030166}
}
MLA
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MLA Copy
Moshareva, M. A., and S. A. Novikova. “Synthesis and Conductivity Study of Solid Electrolytes Li1 + xAl x Ge2–x(PO4)3 (x = 0–0.65).” Russian Journal of Inorganic Chemistry, vol. 63, no. 3, Mar. 2018, pp. 319-323. http://link.springer.com/10.1134/S0036023618030166.
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