Open Access
Applied Physics A: Materials Science and Processing, volume 128, issue 1, publication number 4
High lithium-ion conductivity in all-solid-state lithium batteries by Sb doping LLZO
Xinghua Liang
1
,
Suo Li
1
,
Guanhua Yang
1, 2
,
Xi Wu
3
,
Dongxue Huang
1
,
Yujue Ning
1
,
Jianguo Luo
1
,
Zhijie Fang
1
Publication type: Journal Article
Publication date: 2021-12-04
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor: 2.7
ISSN: 09478396, 14320630
General Chemistry
General Materials Science
Abstract
All-solid-state lithium batteries are considered to be the most promising electrochemical energy storage equipment due to their high safety, high energy density, and simple structure. However, the preparation of solid electrolytes with high lithium-ion conductivity and superior electrode–electrolyte interface contact is the development needs. In this study, the electronic structures of garnet-type Li7La3Zr2O12 (LLZO) and Sb-doped LLZO electrolytes were investigated using the first-principles method based on density functional theory (DFT). Theoretical calculations have confirmed that elemental doping facilitates the migration of lithium ions in solid-state electrolytes at the micro-atomic level. Based on the theoretical calculations and analysis results, Li6.7La3Zr1.7Sb0.3O12 (LLZSbO) with high ionic conductivity was synthesized by the conventional solid-state method. To reduce the interfacial impedance between electrolyte and electrode, the composite solid electrolytes (CSEs) containing LLZSbO active fillers were prepared by the solution casting method. The prepared CSEs exhibits a high ionic conductivity of 0.97 × 10–4 S cm−1 at 30 °C and a stable electrochemical window of 5.3 V as well as the lithium-ion transference number up to 0.37. The all-solid-state battery using the CSEs prepared with 20 wt% LLZSbO has excellent rate performance and cycle stability. The initial discharge specific capacity can reach 148.4 mAh g−1 when the rate is 0.1 C. The capacity can cover 138.8 mAh g−1 after 100 cycles at 0.2 C with a capacity retention rate of 97.5%.
Top-30
Citations by journals
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Journal of Materials Chemistry A
1 publication, 11.11%
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Journal of Materials Science
1 publication, 11.11%
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International Journal of Molecular Sciences
1 publication, 11.11%
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ACS applied materials & interfaces
1 publication, 11.11%
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Solid State Ionics
1 publication, 11.11%
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Chemical Engineering Journal
1 publication, 11.11%
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Applied Sciences (Switzerland)
1 publication, 11.11%
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Journal of Colloid and Interface Science
1 publication, 11.11%
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Russian Chemical Reviews
1 publication, 11.11%
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1
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Citations by publishers
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1
2
3
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Elsevier
3 publications, 33.33%
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Multidisciplinary Digital Publishing Institute (MDPI)
2 publications, 22.22%
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Royal Society of Chemistry (RSC)
1 publication, 11.11%
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Springer Nature
1 publication, 11.11%
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American Chemical Society (ACS)
1 publication, 11.11%
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Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii
1 publication, 11.11%
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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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Liang X. et al. High lithium-ion conductivity in all-solid-state lithium batteries by Sb doping LLZO // Applied Physics A: Materials Science and Processing. 2021. Vol. 128. No. 1. 4
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Liang X., Li S., Yang G., Wu X., Huang D., Ning Y., Luo J., Fang Z. High lithium-ion conductivity in all-solid-state lithium batteries by Sb doping LLZO // Applied Physics A: Materials Science and Processing. 2021. Vol. 128. No. 1. 4
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TY - JOUR
DO - 10.1007/s00339-021-05128-x
UR - https://doi.org/10.1007/s00339-021-05128-x
TI - High lithium-ion conductivity in all-solid-state lithium batteries by Sb doping LLZO
T2 - Applied Physics A: Materials Science and Processing
AU - Liang, Xinghua
AU - Li, Suo
AU - Yang, Guanhua
AU - Wu, Xi
AU - Huang, Dongxue
AU - Ning, Yujue
AU - Luo, Jianguo
AU - Fang, Zhijie
PY - 2021
DA - 2021/12/04 00:00:00
PB - Springer Nature
IS - 1
VL - 128
SN - 0947-8396
SN - 1432-0630
ER -
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@article{2021_Liang,
author = {Xinghua Liang and Suo Li and Guanhua Yang and Xi Wu and Dongxue Huang and Yujue Ning and Jianguo Luo and Zhijie Fang},
title = {High lithium-ion conductivity in all-solid-state lithium batteries by Sb doping LLZO},
journal = {Applied Physics A: Materials Science and Processing},
year = {2021},
volume = {128},
publisher = {Springer Nature},
month = {dec},
url = {https://doi.org/10.1007/s00339-021-05128-x},
number = {1},
doi = {10.1007/s00339-021-05128-x}
}