Open Access
Reduced Energy Barrier for Li+ Transport Across Grain Boundaries with Amorphous Domains in LLZO Thin Films
Publication type: Journal Article
Publication date: 2020-07-25
scimago Q1
wos Q2
SJR: 1.019
CiteScore: —
Impact factor: 4.1
ISSN: 19317573, 1556276X
PubMed ID:
32712882
Condensed Matter Physics
General Materials Science
Abstract
The high-resistive grain boundaries are the bottleneck for Li+ transport in Li7La3Zr2O12 (LLZO) solid electrolytes. Herein, high-conductive LLZO thin films with cubic phase and amorphous domains between crystalline grains are prepared, via annealing the repetitive LLZO/Li2CO3/Ga2O3 multi-nanolayers at 600 °C for 2 h. The amorphous domains may provide additional vacant sites for Li+, and thus relax the accumulation of Li+ at grain boundaries. The significantly improved ionic conductivity across grain boundaries demonstrates that the high energy barrier for Li+ migration caused by space charge layer is effectively reduced. Benefiting from the Li+ transport paths with low energy barriers, the presented LLZO thin film exhibits a cutting-edge value of ionic conductivity as high as 6.36 × 10−4 S/cm, which is promising for applications in thin film lithium batteries.
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46
Total citations:
46
Citations from 2025:
8
(17.39%)
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Zhu Y. et al. Reduced Energy Barrier for Li+ Transport Across Grain Boundaries with Amorphous Domains in LLZO Thin Films // Nanoscale Research Letters. 2020. Vol. 15. No. 1. 153
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Zhu Y., Wu S., Pan Y., Zhang X., Yan Z., Xiang Y. Reduced Energy Barrier for Li+ Transport Across Grain Boundaries with Amorphous Domains in LLZO Thin Films // Nanoscale Research Letters. 2020. Vol. 15. No. 1. 153
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TY - JOUR
DO - 10.1186/s11671-020-03378-x
UR - https://doi.org/10.1186/s11671-020-03378-x
TI - Reduced Energy Barrier for Li+ Transport Across Grain Boundaries with Amorphous Domains in LLZO Thin Films
T2 - Nanoscale Research Letters
AU - Zhu, Yanlin
AU - Wu, Shuai
AU - Pan, Yilan
AU - Zhang, Xiaokun
AU - Yan, Zongkai
AU - Xiang, Yong
PY - 2020
DA - 2020/07/25
PB - Springer Nature
IS - 1
VL - 15
PMID - 32712882
SN - 1931-7573
SN - 1556-276X
ER -
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BibTex (up to 50 authors)
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@article{2020_Zhu,
author = {Yanlin Zhu and Shuai Wu and Yilan Pan and Xiaokun Zhang and Zongkai Yan and Yong Xiang},
title = {Reduced Energy Barrier for Li+ Transport Across Grain Boundaries with Amorphous Domains in LLZO Thin Films},
journal = {Nanoscale Research Letters},
year = {2020},
volume = {15},
publisher = {Springer Nature},
month = {jul},
url = {https://doi.org/10.1186/s11671-020-03378-x},
number = {1},
pages = {153},
doi = {10.1186/s11671-020-03378-x}
}