# Hydration and Dehydration Behavior of Li4SnS4 for Applications as a Moisture-Resistant All-Solid-State Battery Electrolyte

> All-solid-state batteries are promising energy storage devices owing to their high safety and energy density. Sulfide-based solid electrolytes have high ionic conductivities and are ductile. Although sulfide electrolytes are candidates for all-solid-state batteries, they are moisture-sensitive. Li 4...

## Metadata
- Authors: Takuya Kimura, Takumi Nakano, Atsushi Sakuda, Masahiro Tatsumisago, Akitoshi Hayashi
- Journal: The Journal of Physical Chemistry C
- Published: 2023-01-16
- DOI: https://doi.org/10.1021/acs.jpcc.2c06593
- Citations: 25
- Source: OpenAlex

## Technology Hub
- Hub: Battery Technology
- Discipline: Chemistry / Engineering
- Hub URL: https://science-database.com/technology/battery-technology
- Hub llms.txt: https://science-database.com/technology/battery-technology/llms.txt

## Abstract
All-solid-state batteries are promising energy storage devices owing to their high safety and energy density. Sulfide-based solid electrolytes have high ionic conductivities and are ductile. Although sulfide electrolytes are candidates for all-solid-state batteries, they are moisture-sensitive. Li 4 SnS 4 electrolytes can overcome some of these weaknesses and show the suppressed evolution of H 2 S gas in a humid environment. However, the suppression mechanism is unclear, making the design of moisture-resistant sulfide electrolytes challenging. Therefore, we investigated the structural changes of Li 4 SnS 4 in humid N 2 . X-ray structural analysis revealed that Li 4 SnS 4 was hydrated to Li 4 SnS 4 ·4H 2 O without generating H 2 S gas. Furthermore, the hydrate could be reversibly dehydrated by heat treatment to the original sulfide, suggesting that the formation of stable hydrates suppresses the generation of H 2 S gas. These findings will aid in the design of moisture-resistant sulfide materials.

## Links
- DOI: https://doi.org/10.1021/acs.jpcc.2c06593
- OpenAlex: https://openalex.org/W4316653385
- JSON API: https://science-database.com/api/v1/technology/battery-technology

---
Generated by science-database.com — The Knowledge Interface
Paper ID: oa-W4316653385 | Hub: battery-technology