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Nanomaterials, volume 12, issue 12, pages 2023

Improvement of the Interface between the Lithium Anode and a Garnet-Type Solid Electrolyte of Lithium Batteries Using an Aluminum-Nitride Layer

Publication typeJournal Article
Publication date2022-06-12
Journal: Nanomaterials
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor5.3
ISSN20794991
General Chemical Engineering
General Materials Science
Abstract

The next generation of all-solid-state batteries can feature battery safety that is unparalleled among conventional liquid batteries. The garnet-type solid-state electrolyte Li7La3Zr2O12 (LLZO), in particular, is widely studied because of its high Li-ion conductivity and stability in air. However, the poor interface-contact between Li and the electrolyte (garnet) severely limits the development of solid electrolytes. In this study, we synthesize cubic phase Li6.4La3Zr1.4Ta0.6O12 (LLZTO) using a secondary sintering method. In addition, a thin aluminum nitride (AlN) layer is introduced between the metal (Li) and the solid electrolyte. Theoretical calculations show that AlN has a high affinity for Li. Furthermore, it is shown that the AlN coating can effectively reduce the interface impedance between Li and the solid electrolyte and improve the lithium-ion transport. The assembled symmetric Li cells can operate stably for more than 3600 h, unlike the symmetric cells without AlN coating, which short-circuited after only a few cycles. The hybrid solid-state battery with a modified layer, which is assembled using LiFePO4 (LFP), still has a capacity of 120 mAh g−1 after 200 cycles, with a capacity retention rate of 98%. This shows that the introduction of an AlN interlayer is very helpful to obtain a stable Li/solid-electrolyte interface, which improves the cycling stability of the battery.

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GOST |
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GOST Copy
Jiang W. et al. Improvement of the Interface between the Lithium Anode and a Garnet-Type Solid Electrolyte of Lithium Batteries Using an Aluminum-Nitride Layer // Nanomaterials. 2022. Vol. 12. No. 12. p. 2023.
GOST all authors (up to 50) Copy
Jiang W., Dong L., Liu S., Ai B., Zhao S., Zhang W., Pan K., Zhang L. Improvement of the Interface between the Lithium Anode and a Garnet-Type Solid Electrolyte of Lithium Batteries Using an Aluminum-Nitride Layer // Nanomaterials. 2022. Vol. 12. No. 12. p. 2023.
RIS |
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RIS Copy
TY - JOUR
DO - 10.3390/nano12122023
UR - https://doi.org/10.3390/nano12122023
TI - Improvement of the Interface between the Lithium Anode and a Garnet-Type Solid Electrolyte of Lithium Batteries Using an Aluminum-Nitride Layer
T2 - Nanomaterials
AU - Jiang, Wen
AU - Dong, Lingling
AU - Liu, Shuanghui
AU - Ai, Bing
AU - Zhao, Shuangshuang
AU - Pan, Kefeng
AU - Zhang, Lipeng
AU - Zhang, Weimin
PY - 2022
DA - 2022/06/12 00:00:00
PB - Multidisciplinary Digital Publishing Institute (MDPI)
SP - 2023
IS - 12
VL - 12
SN - 2079-4991
ER -
BibTex |
Cite this
BibTex Copy
@article{2022_Jiang,
author = {Wen Jiang and Lingling Dong and Shuanghui Liu and Bing Ai and Shuangshuang Zhao and Kefeng Pan and Lipeng Zhang and Weimin Zhang},
title = {Improvement of the Interface between the Lithium Anode and a Garnet-Type Solid Electrolyte of Lithium Batteries Using an Aluminum-Nitride Layer},
journal = {Nanomaterials},
year = {2022},
volume = {12},
publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},
month = {jun},
url = {https://doi.org/10.3390/nano12122023},
number = {12},
pages = {2023},
doi = {10.3390/nano12122023}
}
MLA
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MLA Copy
Jiang, Wen, et al. “Improvement of the Interface between the Lithium Anode and a Garnet-Type Solid Electrolyte of Lithium Batteries Using an Aluminum-Nitride Layer.” Nanomaterials, vol. 12, no. 12, Jun. 2022, p. 2023. https://doi.org/10.3390/nano12122023.
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