Effects of porosity and ionic liquid impregnation on ionic conductivity of garnet-based flexible sheet electrolytes
3
Qian Xuesen Laboratory of Space Technology, China Academy of Space Technology, Beijing, 100094, China
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4
Kanagawa Institute of Industrial Science and Technology, Kanagawa, 243-0435, Japan
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Publication type: Journal Article
Publication date: 2022-01-01
scimago Q1
wos Q1
SJR: 1.784
CiteScore: 14.9
Impact factor: 7.9
ISSN: 03787753, 18732755
Physical and Theoretical Chemistry
Electrical and Electronic Engineering
Energy Engineering and Power Technology
Renewable Energy, Sustainability and the Environment
Abstract
Although the garnet-type ceramic ionic conductor, Li 7 La 3 Zr 2 O 12 (LLZO), shows relatively high chemical stability against Li metal and has the potential to replace flammable liquid electrolytes for Li metal batteries, the large interfacial resistance between LLZO and electrodes challenges its practical application. A possible solution is to produce a quasi-solid-state LLZO-based flexible sheet electrolyte. Here we prepared an Al-doped LLZO-based flexible sheet electrolyte and studied its ionic conductivity as functions of porosity and ionic liquid (IL) impregnation. Possible Li + ion conducting pathways through the quasi-solid-state composite sheet electrolyte were discussed and its electrochemical performance was also evaluated. • Ionic conductivity of a flexible sheet increases with deceasing porosity. • Quasi-solid-state garnet electrolyte shows a high ionic conductivity. • Quasi-solid-state LiCoO 2 /Li 7 La 3 Zr 2 O 12 sheet/Li cells work at 30 and 60 °C.
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Total citations:
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GOST
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Cheng E. J. et al. Effects of porosity and ionic liquid impregnation on ionic conductivity of garnet-based flexible sheet electrolytes // Journal of Power Sources. 2022. Vol. 517. p. 230705.
GOST all authors (up to 50)
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Cheng E. J., Liu M., Li Y., Abe T., Kanamura K. Effects of porosity and ionic liquid impregnation on ionic conductivity of garnet-based flexible sheet electrolytes // Journal of Power Sources. 2022. Vol. 517. p. 230705.
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RIS
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TY - JOUR
DO - 10.1016/j.jpowsour.2021.230705
UR - https://doi.org/10.1016/j.jpowsour.2021.230705
TI - Effects of porosity and ionic liquid impregnation on ionic conductivity of garnet-based flexible sheet electrolytes
T2 - Journal of Power Sources
AU - Cheng, Eric Jianfeng
AU - Liu, Mengyue
AU - Li, Ying
AU - Abe, Takeshi
AU - Kanamura, Kiyoshi
PY - 2022
DA - 2022/01/01
PB - Elsevier
SP - 230705
VL - 517
SN - 0378-7753
SN - 1873-2755
ER -
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BibTex (up to 50 authors)
Copy
@article{2022_Cheng,
author = {Eric Jianfeng Cheng and Mengyue Liu and Ying Li and Takeshi Abe and Kiyoshi Kanamura},
title = {Effects of porosity and ionic liquid impregnation on ionic conductivity of garnet-based flexible sheet electrolytes},
journal = {Journal of Power Sources},
year = {2022},
volume = {517},
publisher = {Elsevier},
month = {jan},
url = {https://doi.org/10.1016/j.jpowsour.2021.230705},
pages = {230705},
doi = {10.1016/j.jpowsour.2021.230705}
}