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Fabrication of Sub-Micrometer-Thick Solid Electrolyte Membranes of β-Li3PS4 via Tiled Assembly of Nanoscale, Plate-Like Building Blocks

Journal Article · · Advanced Energy Materials
Here solid electrolytes represent a critical component in future batteries that provide higher energy and power densities than the current lithium-ion batteries. The potential of using ultrathin films is among the best merits of solid electrolytes for considerably reducing the weight and volume of each battery unit, thereby significantly enhancing the energy density. However, it is challenging to fabricate ultrathin membranes of solid electrolytes using the conventional techniques. Here, a new strategy is reported for fabricating sub-micrometer-thick membranes of β-Li3PS4 solid electrolytes via tiled assembly of shape-controlled, nanoscale building blocks. This strategy relies on facile, low-cost, solution-based chemistry to create membranes with tunable thicknesses. The ultrathin membranes of β-Li3PS4 show desirable ionic conductivity and necessary compatibility with metallic lithium anodes. The results of this study also highlight a viable strategy for creating ultrathin, dense solid electrolytes with high ionic conductivities for the next-generation energy storage and conversion systems.
Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
National Science Foundation (NSF); USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1844916
Alternate ID(s):
OSTI ID: 1436206
Journal Information:
Advanced Energy Materials, Journal Name: Advanced Energy Materials Journal Issue: 21 Vol. 8; ISSN 1614-6832
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (3)

Mechanistic understanding and strategies to design interfaces of solid electrolytes: insights gained from transmission electron microscopy journal May 2019
Solution-based synthesis of lithium thiophosphate superionic conductors for solid-state batteries: a chemistry perspective journal January 2019
Toward All-Solid-State Lithium Batteries: Three-Dimensional Visualization of Lithium Migration in β-Li 3 PS 4 Ceramic Electrolyte journal January 2018

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