NDLI: Fabrication of ultrathin solid electrolyte membranes of β-Li<sub>3</sub>PS<sub>4</sub> nanoflakes by evaporation-induced self-assembly for all-solid-state batteries

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Fabrication of ultrathin solid electrolyte membranes of β-Li₃PS₄ nanoflakes by evaporation-induced self-assembly for all-solid-state batteries

Content Provider	United States Department of Energy Office of Scientific and Technical Information (OSTI.GOV)
Author	Wang, Hui Hood, Zachary D. Xia, Younan Liang, Chengdu
Organization	Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Sciences (CNMS)
Abstract	All-solid-state lithium batteries are attractive candidates for next-generation energy storage devices because of their anticipated high energy density and intrinsic safety. Owing to their excellent ionic conductivity and stability with metallic lithium anodes, nanostructured lithium thiophosphate solid electrolytes such as β-Li₃PS₄ have found use in the fabrication of all-solid lithium batteries for large-scale energy storage systems. However, current methods for preparing air-sensitive solid electrolyte membranes of lithium thiophosphates can only generate thick membranes that compromise the battery's gravimetric/volumetric energy density and thus its rate performance. To overcome this limitation, the solid electrolyte's thickness needs to be effectively decreased to achieve ideal energy density and enhanced rate performance. In this paper, we show that the evaporation-induced self-assembly (EISA) technique produces ultrathin membranes of a lithium thiophosphate solid electrolyte with controllable thicknesses between 8 and 50 μm while maintaining the high ionic conductivity of β-Li₃PS₄ and stability with metallic lithium anodes up to 5 V. Finally, it is clearly demonstrated that this facile EISA approach allows for the preparation of ultrathin lithium thiophosphate solid electrolyte membranes for all-solid-state batteries.
Sponsorship	USDOE Office of Science (SC) National Science Foundation (NSF)
Related Links	https://www.osti.gov/biblio/1265621
Starting Page	8091
Ending Page	8096
Page Count	6
File Format	PDF
ISSN	20507488
DOI	10.1039/C6TA02294D
Journal	Journal of Materials Chemistry. A
Volume Number	4
Issue Number	21
Language	English
Publisher	Royal Society of Chemistry
Publisher Date	2016-04-25
Publisher Place	United States
Access Restriction	Open
Subject Keyword	MATERIALS SCIENCE ENERGY STORAGE Evaporation-induced self-assembly (EISA) Li solid-state batteries solid electrolyte PS4
Content Type	Text
Resource Type	Article
Subject	Chemistry Renewable Energy, Sustainability and the Environment Materials Science

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