Nano Energy, volume 102, pages 107679

Unexpected pressure effects on sulfide-based polymer-in-ceramic solid electrolytes for all-solid-state batteries

Publication typeJournal Article
Publication date2022-11-01
Journal: Nano Energy
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor17.6
ISSN22112855
General Materials Science
Electrical and Electronic Engineering
Renewable Energy, Sustainability and the Environment
Abstract
Among the next-generation battery technologies, all-solid-state lithium batteries (ASLBs) are the most attractive because of the high safety and high energy density. The critical difference between ASLBs and conventional lithium-ion batteries (LIBs) is the replacement of the liquid electrolyte with a solid electrolyte (SE). Thus, for battery development, the investigation of ionic conductivities of SEs is essential. Sulfide-type ion conductors are representative SEs having high ionic conductivities and are ductile. However, sulfide-type SEs suffers from H 2 S gas release and degradation when exposed to the moisture in the air, and, as a result, the study and optimization of the fabrication parameters is challenging. In this study, we fabricated a polymer-in-ceramic SE as a thin, large-area, free-standing SE. Crucially, to optimize the fabrication conditions, we used a model inorganic particles that do not suffer from the moisture sensitivity typical of sulfide-based SEs. Interestingly, the ionic conductivity of the polymer-in-ceramic SE changed with applied pressure, behavior unlike that of a conventional pellet-type SEs prepared from sulfide powders. To understand this phenomenon, we carried out digital twinned 3D structure simulation analysis, which revealed changes in the specific contact area and distribution of ionic density in the polymer-in-ceramic SE. As a result, we propose a model composition that will facilitate the exploration of polymer-in-ceramic SEs and their characteristics and, thus, enhance the practical use of ASLBs. • Moisture-insensitive model strategy aids polymer-in-ceramic electrolyte fabrication condition optimization. • Ionic conductivity of polymer-in-ceramic electrolyte changes with the applied pressure. • Digital twinned simulation reveals ionic conductivity change of polymer-inceramic electrolyte. • Polymer-in-ceramic composite strategy allows thin, free-standing, and flexible argyrodite-type sheet solid electrolyte fabrication.

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Choi H. et al. Unexpected pressure effects on sulfide-based polymer-in-ceramic solid electrolytes for all-solid-state batteries // Nano Energy. 2022. Vol. 102. p. 107679.
GOST all authors (up to 50) Copy
Choi H., Kim M., Lee H., Jung S., Lee Y., Lee Y., Cho K. Unexpected pressure effects on sulfide-based polymer-in-ceramic solid electrolytes for all-solid-state batteries // Nano Energy. 2022. Vol. 102. p. 107679.
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RIS Copy
TY - JOUR
DO - 10.1016/j.nanoen.2022.107679
UR - https://doi.org/10.1016/j.nanoen.2022.107679
TI - Unexpected pressure effects on sulfide-based polymer-in-ceramic solid electrolytes for all-solid-state batteries
T2 - Nano Energy
AU - Choi, Hoiju
AU - Kim, Min-Jae
AU - Lee, Hyobin
AU - Jung, Seungwon
AU - Lee, Young-Gi
AU - Lee, Yong-Min
AU - Cho, Kuk
PY - 2022
DA - 2022/11/01 00:00:00
PB - Elsevier
SP - 107679
VL - 102
SN - 2211-2855
ER -
BibTex
Cite this
BibTex Copy
@article{2022_Choi,
author = {Hoiju Choi and Min-Jae Kim and Hyobin Lee and Seungwon Jung and Young-Gi Lee and Yong-Min Lee and Kuk Cho},
title = {Unexpected pressure effects on sulfide-based polymer-in-ceramic solid electrolytes for all-solid-state batteries},
journal = {Nano Energy},
year = {2022},
volume = {102},
publisher = {Elsevier},
month = {nov},
url = {https://doi.org/10.1016/j.nanoen.2022.107679},
pages = {107679},
doi = {10.1016/j.nanoen.2022.107679}
}
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