Energy Storage Materials, volume 46, pages 68-75

Smart construction of multifunctional Li1.5Al0.5Ge1.5(PO4)3|Li intermediate interfaces for solid-state batteries

JIAHAO YU 1
Qi Liu 1, 2
Hu Xia 1
Shuwei Wang 1
Junru Wu 1
Bin Liang 1
Cuiping Han 1, 3
Feiyu Kang 1
Baohua Li 1
Publication typeJournal Article
Publication date2022-04-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor20.4
ISSN24058297, 24058297
General Materials Science
Energy Engineering and Power Technology
Renewable Energy, Sustainability and the Environment
Abstract
Due to high ionic conductivity, low cost and excellent air stability, NASICON-type Li 1.5 Al 0.5 Ge 1.5 (PO) 4 (LAGP) electrolyte has been a promising candidate for high-performance solid-state batteries. Nevertheless, the poor interfacial compatibilities between LAGP and lithium (Li) metal (i.e., intrinsic instability of LAGP to metallic Li, growth of dendrite Li) retard its commercial application. Herein, a nano multifunctional LiF@Li-zinc (Zn) alloy layer consisting of electrically insulated but ionic conductive lithium fluoride (LiF) and Li-Zn alloy is introduced at the LAGP|Li interface (Z-LAGP) by in-situ conversion reactions. Such LiF@Li-Zn layer not only leads to stable and tight interface with low resistance and effective inhibition of side reactions, but also homogenizes the Li-ion flux with free of dendrite Li. Consequently, the Li|Z-LAGP|Li cells present the improved critical current density as high as 2.0 mA cm −2 , stable cycles with longer than 1000 h at 0.1 mA cm −2 , and as well as superior cycling performance from 0.1 to 0.5 mA cm −2 with stable overpotential. What is more, the solid-state batteries of Li|Z-LAGP|LiFePO 4 show the good cycle stability with highly reversible capacity (>150 mA h g − 1 ) at 0.1 C under room temperature. This work highlights a rational design for the robust LAGP|Li interface and a novel strategy to optimizing interfacial compatibilities.

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YU J. et al. Smart construction of multifunctional Li1.5Al0.5Ge1.5(PO4)3|Li intermediate interfaces for solid-state batteries // Energy Storage Materials. 2022. Vol. 46. pp. 68-75.
GOST all authors (up to 50) Copy
YU J., Liu Q., Xia H., Wang S., Wu J., Liang B., Han C., Kang F., Li B. Smart construction of multifunctional Li1.5Al0.5Ge1.5(PO4)3|Li intermediate interfaces for solid-state batteries // Energy Storage Materials. 2022. Vol. 46. pp. 68-75.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.ensm.2021.12.043
UR - https://doi.org/10.1016/j.ensm.2021.12.043
TI - Smart construction of multifunctional Li1.5Al0.5Ge1.5(PO4)3|Li intermediate interfaces for solid-state batteries
T2 - Energy Storage Materials
AU - YU, JIAHAO
AU - Liu, Qi
AU - Xia, Hu
AU - Wang, Shuwei
AU - Wu, Junru
AU - Liang, Bin
AU - Han, Cuiping
AU - Kang, Feiyu
AU - Li, Baohua
PY - 2022
DA - 2022/04/01 00:00:00
PB - Elsevier
SP - 68-75
VL - 46
SN - 2405-8297
SN - 2405-8297
ER -
BibTex
Cite this
BibTex Copy
@article{2022_YU,
author = {JIAHAO YU and Qi Liu and Hu Xia and Shuwei Wang and Junru Wu and Bin Liang and Cuiping Han and Feiyu Kang and Baohua Li},
title = {Smart construction of multifunctional Li1.5Al0.5Ge1.5(PO4)3|Li intermediate interfaces for solid-state batteries},
journal = {Energy Storage Materials},
year = {2022},
volume = {46},
publisher = {Elsevier},
month = {apr},
url = {https://doi.org/10.1016/j.ensm.2021.12.043},
pages = {68--75},
doi = {10.1016/j.ensm.2021.12.043}
}
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