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Title: An air-stable Na3SbS4 superionic conductor prepared by a rapid and economic synthetic procedure

Journal Article · · Angewandte Chemie (International Edition)
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  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. Georgia Inst. of Technology, Atlanta, GA (United States)

All-solid-state sodium batteries, using abundant sodium resources and solid electrolyte, hold much promise for safe, low cost, large-scale energy storage. To realize the practical applications of all solid Na-ion batteries at ambient temperature, the solid electrolytes are required to have high ionic conductivity, chemical stability, and ideally, easy preparation. Ceramic electrolytes show higher ionic conductivity than polymers, but they often require extremely stringent synthesis conditions, either high sintering temperature above 1000 C or long-time, low-energy ball milling. Herein, we report a new synthesis route for Na3SbS4, a novel Na superionic conductor that needs much lower processing temperature below 200 C and easy operation. This new solid electrolyte exhibits a remarkable ionic conductivity of 1.05 mS cm-1 at 25 °C and is chemically stable under ambient atmosphere. In conclusion, this synthesis process provides unique insight into the current state-of-the-art solid electrolyte preparation and opens new possibilities for the design of similar materials.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Sciences (CNMS)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1266853
Journal Information:
Angewandte Chemie (International Edition), Vol. 55, Issue 30; ISSN 1433-7851
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 163 works
Citation information provided by
Web of Science

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Exceptionally High Ionic Conductivity in Na 3 P 0.62 As 0.38 S 4 with Improved Moisture Stability for Solid-State Sodium-Ion Batteries journal February 2017
Designing Safe Electrolyte Systems for a High-Stability Lithium-Sulfur Battery journal January 2018
New Na-Ion Solid Electrolytes Na 4− x Sn 1− x Sb x S 4 (0.02 ≤ x ≤ 0.33) for All-Solid-State Na-Ion Batteries journal January 2018
Solid-State Sodium Batteries journal February 2018
Fabrication of Sub-Micrometer-Thick Solid Electrolyte Membranes of β-Li 3 PS 4 via Tiled Assembly of Nanoscale, Plate-Like Building Blocks journal May 2018
Electrolytes and Interphases in Sodium‐Based Rechargeable Batteries: Recent Advances and Perspectives journal April 2020
Chemistry Design Towards a Stable Sulfide‐Based Superionic Conductor Li 4 Cu 8 Ge 3 S 12 journal April 2019
Vacancy-Controlled Na + Superion Conduction in Na 11 Sn 2 PS 12 journal January 2018
Chemistry Design Towards a Stable Sulfide-Based Superionic Conductor Li 4 Cu 8 Ge 3 S 12 journal April 2019
First Principle Material Genome Approach for All Solid‐State Batteries journal September 2019
Progress in the Development of Sodium-Ion Solid Electrolytes journal September 2017
A sodium-ion sulfide solid electrolyte with unprecedented conductivity at room temperature journal November 2019
Designing solid-state electrolytes for safe, energy-dense batteries journal February 2020
Solution-derived glass-ceramic NaI·Na 3 SbS 4 superionic conductors for all-solid-state Na-ion batteries journal January 2018
Emergence of rechargeable seawater batteries journal January 2019
Theoretical formulation of Na 3 AO 4 X (A = S/Se, X = F/Cl) as high-performance solid electrolytes for all-solid-state sodium batteries journal January 2019
Building Better Batteries in the Solid State: A Review journal November 2019
Theoretical tuning of Ruddlesden–Popper type anti-perovskite phases as superb ion conductors and cathodes for solid sodium ion batteries journal January 2019
Electrolytes and Interphases in Sodium-Based Rechargeable Batteries : Recent Advances and Perspectives text January 2020
Electrolytes and Interphases in Sodium-Based Rechargeable Batteries: Recent Advances and Perspectives text January 2020
Na3SbSe4−xS x as Sodium Superionic Conductors journal June 2018