Journal of Power Sources, volume 460, pages 228125

Interface engineering of Li1.3Al0.3Ti1.7(PO4)3 ceramic electrolyte via multifunctional interfacial layer for all-solid-state lithium batteries

Publication typeJournal Article
Publication date2020-06-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor9.2
ISSN03787753
Physical and Theoretical Chemistry
Electrical and Electronic Engineering
Energy Engineering and Power Technology
Renewable Energy, Sustainability and the Environment
Abstract
Li1.3Al0.3Ti1.7(PO4)3 (LATP) suffers from high interfacial resistance and instability with Li which hinder its application in all-solid-state lithium batteries. Herein, we propose an effective method to overcome these obstacles by introducing a LATP nanoparticle-reinforced composite polymer electrolyte (CPE) at LATP/Li interface. The multifunctional CPE interfacial layer can not only avoid side reactions between LATP and Li, but also ensure intimate contact at LATP/Li interface to reduce interfacial resistance. Moreover, the soft CPE layer can mitigate the large volume change of Li anode during cycling due to its high viscosity and flexible features. With the assistance of LATP fillers, the CPE interfacial layer can inhibit the formation and penetration of Li dendrites with enhanced mechanical strength and uniform Li deposition. After the modification of CPE interfacial layer, solid-state electrolyte with the sandwiched structure of CPE/LATP/CPE possesses satisfactory features such as high ionic conductivity, high interfacial stability and wide electrochemical window. Symmetric Li cell exhibits significant reduction in interfacial resistance (from 2852 Ω cm2 to 505 Ω cm2) and overpotential (from 2.03 V to 0.04 V), which ensures a stable galvanostatic cycle for more than 400 h at 0.05 mA cm−2. Solid-state LiFePO4/LATP/CPE/Li batteries deliver remarkable cycling ability and high coulombic efficiency.

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GOST Copy
Jin Y. et al. Interface engineering of Li1.3Al0.3Ti1.7(PO4)3 ceramic electrolyte via multifunctional interfacial layer for all-solid-state lithium batteries // Journal of Power Sources. 2020. Vol. 460. p. 228125.
GOST all authors (up to 50) Copy
Jin Y., Liu C., Xin Z., Li D., Fu M., Tan S., Xiong Y., Wei J. Interface engineering of Li1.3Al0.3Ti1.7(PO4)3 ceramic electrolyte via multifunctional interfacial layer for all-solid-state lithium batteries // Journal of Power Sources. 2020. Vol. 460. p. 228125.
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RIS Copy
TY - JOUR
DO - 10.1016/j.jpowsour.2020.228125
UR - https://doi.org/10.1016/j.jpowsour.2020.228125
TI - Interface engineering of Li1.3Al0.3Ti1.7(PO4)3 ceramic electrolyte via multifunctional interfacial layer for all-solid-state lithium batteries
T2 - Journal of Power Sources
AU - Jin, Yingmin
AU - Liu, Chaojun
AU - Xin, Zong
AU - Li, D
AU - Fu, Mengyu
AU - Tan, Siping
AU - Xiong, Yueping
AU - Wei, Junhua
PY - 2020
DA - 2020/06/01 00:00:00
PB - Elsevier
SP - 228125
VL - 460
SN - 0378-7753
ER -
BibTex
Cite this
BibTex Copy
@article{2020_Jin,
author = {Yingmin Jin and Chaojun Liu and Zong Xin and D Li and Mengyu Fu and Siping Tan and Yueping Xiong and Junhua Wei},
title = {Interface engineering of Li1.3Al0.3Ti1.7(PO4)3 ceramic electrolyte via multifunctional interfacial layer for all-solid-state lithium batteries},
journal = {Journal of Power Sources},
year = {2020},
volume = {460},
publisher = {Elsevier},
month = {jun},
url = {https://doi.org/10.1016/j.jpowsour.2020.228125},
pages = {228125},
doi = {10.1016/j.jpowsour.2020.228125}
}
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