An Air-Stable Na3SbS4Superionic Conductor Prepared by a Rapid and Economic Synthetic Procedure

Hui Wang; Yan Chen; Zachary D. Hood; Gayatri Sahu; Amaresh Samuthira Pandian; Jong Kahk Keum; Ke An; Chengdu Liang

doi:10.1002/anie.201601546

An Air-Stable Na₃SbS₄Superionic Conductor Prepared by a Rapid and Economic Synthetic Procedure

Hui Wang, Yan Chen, Zachary D. Hood, Gayatri Sahu, Amaresh Samuthira Pandian, Jong Kahk Keum, Ke An, Chengdu Liang

Research output: Contribution to journal › Article › peer-review

211 Scopus citations

Abstract

All-solid-state sodium batteries, using solid electrolyte and abundant sodium resources, show great promise for safe, low-cost, and large-scale energy storage applications. The exploration of novel solid electrolytes is critical for the room temperature operation of all-solid-state Na batteries. An ideal solid electrolyte must have high ionic conductivity, hold outstanding chemical and electrochemical stability, and employ low-cost synthetic methods. Achieving the combination of these properties is a grand challenge for the synthesis of sulfide-based solid electrolytes. Design of the solid electrolyte Na₃SbS₄is described, realizing excellent air stability and an economic synthesis based on hard and soft acid and base (HSAB) theory. This new solid electrolyte also exhibits a remarkably high ionic conductivity of 1 mS cm⁻¹at 25 °C and ideal compatibility with a metallic sodium anode.

Original language	English
Pages (from-to)	8551-8555
Number of pages	5
Journal	Angewandte Chemie - International Edition
Volume	55
Issue number	30
DOIs	https://doi.org/10.1002/anie.201601546
State	Published - Jul 18 2016

Funding

The synthesis and characterization portions of the research (H.W., A.S.P., J.K.K., Z.D.H.) were supported by the Center for Nanophase Materials Sciences in Oak Ridge National Laboratory (ORNL), which is a U.S. Department of Energy (DOE) office of Science User Facility. The theory and neutron scattering portions of the research (Y.C., G.S., K.A., C.L.) were sponsored by the Division of Materials Sciences and Engineering, Office of Basic Energy Sciences, U.S. DOE. A portion of the research was carried out as a user project at the Spallation Neutron Source at ORNL, which is sponsored by the Scientific User Facilities Division, Office of Basic Energy Sciences, U.S. DOE. Z.D.H. gratefully acknowledges the National Science Foundation for a Graduate Research Fellowship under Grant No. DGE-1148903 and the Georgia Tech-ORNL Fellowship. The authors thank Dr. Rui Peng and Dr. Zili Wu for their help with the Raman measurement.

Funders	Funder number
Oak Ridge National Laboratory
Georgia Tech-ORNL
Scientific User Facilities Division
National Science Foundation	DGE-1148903
U.S. Department of Energy
Basic Energy Sciences
Oak Ridge National Laboratory
Division of Materials Sciences and Engineering

Keywords

air-stable materials
hard and soft acid and base theory (HSAB)
ionic conductivity
solid-state sodium batteries
synthesis

Access to Document

10.1002/anie.201601546

Cite this

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abstract = "All-solid-state sodium batteries, using solid electrolyte and abundant sodium resources, show great promise for safe, low-cost, and large-scale energy storage applications. The exploration of novel solid electrolytes is critical for the room temperature operation of all-solid-state Na batteries. An ideal solid electrolyte must have high ionic conductivity, hold outstanding chemical and electrochemical stability, and employ low-cost synthetic methods. Achieving the combination of these properties is a grand challenge for the synthesis of sulfide-based solid electrolytes. Design of the solid electrolyte Na3SbS4is described, realizing excellent air stability and an economic synthesis based on hard and soft acid and base (HSAB) theory. This new solid electrolyte also exhibits a remarkably high ionic conductivity of 1 mS cm−1at 25 °C and ideal compatibility with a metallic sodium anode.",

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AU - Keum, Jong Kahk

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