Journal of Materials Science, volume 56, issue 3, pages 2435-2450
Mitigation of grain boundary resistance in La2/3-xLi3xTiO3 perovskite as an electrolyte for solid-state Li-ion batteries
Publication type: Journal Article
Publication date: 2020-09-30
Journal:
Journal of Materials Science
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor: 4.5
ISSN: 00222461, 15734803
General Materials Science
Mechanical Engineering
Mechanics of Materials
Abstract
In this work, we report that modification of the chemical composition of grain boundaries of La2/3-xLi3xTiO3 double perovskite, one of the most promising Li-ion conducting solid electrolytes, can be a convenient and versatile way of controlling the space charge potential, leading to a mitigated electrical resistance of the grain boundaries. Two groups of additives are investigated: lithium-enriching agents (Li3BO3, LiF) and 3d metal ions (Co2+, Cu2+), both expected to reduce the Schottky barrier. It is observed that Li-containing additives work effectively at a higher sintering temperature of 1250 °C. Regarding copper, it shows a much stronger positive impact at lower temperature, 1150 °C, while the addition of cobalt is always detrimental. Despite overall complex behavior, it is documented that the decreased space charge potential plays a more important role in the improvement of lithium conduction than the thickness of the grain boundaries. Among the proposed additives, modification of La2/3-xLi3xTiO3 by 2 mol.% Cu2+ results in the space charge potential reduction by 32 mV in relation to the reference sample, and the grain boundary specific conductivity increase by 80%, as measured at 30 °C. Introduced additive allows to obtain a similar effect on the conductivity as elevating the sintering temperature, which can facilitate manufacturing procedure.
Top-30
Citations by journals
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Citations by publishers
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5
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Springer Nature
5 publications, 27.78%
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Wiley
2 publications, 11.11%
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2 publications, 11.11%
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Elsevier
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1 publication, 5.56%
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1 publication, 5.56%
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Oxford University Press
1 publication, 5.56%
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Multidisciplinary Digital Publishing Institute (MDPI)
1 publication, 5.56%
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1 publication, 5.56%
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1 publication, 5.56%
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Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii
1 publication, 5.56%
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- We do not take into account publications without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Polczyk T. et al. Mitigation of grain boundary resistance in La2/3-xLi3xTiO3 perovskite as an electrolyte for solid-state Li-ion batteries // Journal of Materials Science. 2020. Vol. 56. No. 3. pp. 2435-2450.
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Polczyk T., Zając W., Ziąbka M., Świerczek K. Mitigation of grain boundary resistance in La2/3-xLi3xTiO3 perovskite as an electrolyte for solid-state Li-ion batteries // Journal of Materials Science. 2020. Vol. 56. No. 3. pp. 2435-2450.
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TY - JOUR
DO - 10.1007/s10853-020-05342-7
UR - https://doi.org/10.1007/s10853-020-05342-7
TI - Mitigation of grain boundary resistance in La2/3-xLi3xTiO3 perovskite as an electrolyte for solid-state Li-ion batteries
T2 - Journal of Materials Science
AU - Polczyk, Tomasz
AU - Zając, Wojciech
AU - Ziąbka, Magdalena
AU - Świerczek, Konrad
PY - 2020
DA - 2020/09/30 00:00:00
PB - Springer Nature
SP - 2435-2450
IS - 3
VL - 56
SN - 0022-2461
SN - 1573-4803
ER -
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@article{2020_Polczyk,
author = {Tomasz Polczyk and Wojciech Zając and Magdalena Ziąbka and Konrad Świerczek},
title = {Mitigation of grain boundary resistance in La2/3-xLi3xTiO3 perovskite as an electrolyte for solid-state Li-ion batteries},
journal = {Journal of Materials Science},
year = {2020},
volume = {56},
publisher = {Springer Nature},
month = {sep},
url = {https://doi.org/10.1007/s10853-020-05342-7},
number = {3},
pages = {2435--2450},
doi = {10.1007/s10853-020-05342-7}
}
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Polczyk, Tomasz, et al. “Mitigation of grain boundary resistance in La2/3-xLi3xTiO3 perovskite as an electrolyte for solid-state Li-ion batteries.” Journal of Materials Science, vol. 56, no. 3, Sep. 2020, pp. 2435-2450. https://doi.org/10.1007/s10853-020-05342-7.