Journal of Alloys and Compounds, volume 767, pages 899-904

Li+ transport channel size governing Li+ migration in garnet-based all-solid-state lithium batteries

Publication typeJournal Article
Publication date2018-10-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor6.2
ISSN09258388
Materials Chemistry
Metals and Alloys
Mechanical Engineering
Mechanics of Materials
Abstract
Li+ transport channel size of garnet-type Li7La3Z2O12 (LLZO) solid electrolytes is continuously regulated to study its governing of Li+ migration in application of all-solid-state batteries. Results show that the Li+ migration activation energy decrease with the decrease of Li+ transport channel size and then increase with further decrease of Li+ transport channel size. With Li+ transport channel size of 12.954 A, the Li+ migration activation energy reaches minimum of 0.28 eV. The cyclic voltammogram of Au/Li7La3-XCaXZr2-YTaYO12/Li cells show that, with Li+ transport channel size of 12.954 A, the redox peaks is at ±0.23 V, which is more symmetrical and closer to 0 V compared to both larger and smaller Li+ transport channel size of 12.961 A (0.38 V and −0.32 V) and 12.935 A (0.50 V and −0.40 V). This suggests that LLZO with Li+ transport channel size of 12.954 A has better charge-discharge reversibility of lithium deposition and dissolution and less energy consumption when used as solid electrolyte in all-solid-state lithium batteries.

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Zhang Y. et al. Li+ transport channel size governing Li+ migration in garnet-based all-solid-state lithium batteries // Journal of Alloys and Compounds. 2018. Vol. 767. pp. 899-904.
GOST all authors (up to 50) Copy
Zhang Y., Hu D., Deng J., Chen F., Shen Q., Li A., Zhang J., Dong S. Li+ transport channel size governing Li+ migration in garnet-based all-solid-state lithium batteries // Journal of Alloys and Compounds. 2018. Vol. 767. pp. 899-904.
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RIS Copy
TY - JOUR
DO - 10.1016/j.jallcom.2018.07.174
UR - https://doi.org/10.1016/j.jallcom.2018.07.174
TI - Li+ transport channel size governing Li+ migration in garnet-based all-solid-state lithium batteries
T2 - Journal of Alloys and Compounds
AU - Zhang, Yanhua
AU - Hu, Dongwei
AU - Deng, Jiadong
AU - Chen, Fei
AU - Shen, Qiang
AU - Li, Aikui
AU - Zhang, Jian
AU - Dong, Shijie
PY - 2018
DA - 2018/10/01 00:00:00
PB - Elsevier
SP - 899-904
VL - 767
SN - 0925-8388
ER -
BibTex
Cite this
BibTex Copy
@article{2018_Zhang,
author = {Yanhua Zhang and Dongwei Hu and Jiadong Deng and Fei Chen and Qiang Shen and Aikui Li and Jian Zhang and Shijie Dong},
title = {Li+ transport channel size governing Li+ migration in garnet-based all-solid-state lithium batteries},
journal = {Journal of Alloys and Compounds},
year = {2018},
volume = {767},
publisher = {Elsevier},
month = {oct},
url = {https://doi.org/10.1016/j.jallcom.2018.07.174},
pages = {899--904},
doi = {10.1016/j.jallcom.2018.07.174}
}
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