Issue 41, 2019

A facile synthetic approach to nanostructured Li2S cathodes for rechargeable solid-state Li–S batteries

Abstract

Li–S solid state batteries, employing Li2S as a pre-lithiated cathode, present a promising low cost, high capacity and safer alternative to their liquid electrolyte counterparts, where dissolution of intermediate polysulfide species can result in loss of active material and a subsequent decrease in ionic conductivity. A nanostructured Li2S material would afford greater flexibility in optimising the cathode composite for more harmonious electrode–electrolyte interactions, yet facile routes to such nanoscale materials are limited. Here, we report a facile and scalable microwave approach to directly synthesize nanostructured Li2S from a glyme solution containing lithium polysulfides. As-synthesized Li2S presents an ideal architecture for the construction of free-standing cathodes for all-solid-state Li–S batteries.

Graphical abstract: A facile synthetic approach to nanostructured Li2S cathodes for rechargeable solid-state Li–S batteries

Supplementary files

Article information

Article type
Communication
Submitted
22 7 2019
Accepted
09 9 2019
First published
17 10 2019
This article is Open Access
Creative Commons BY license

Nanoscale, 2019,11, 19297-19300

A facile synthetic approach to nanostructured Li2S cathodes for rechargeable solid-state Li–S batteries

H. El-Shinawi, E. J. Cussen and S. A. Corr, Nanoscale, 2019, 11, 19297 DOI: 10.1039/C9NR06239D

This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other publications without requesting further permissions from the RSC, provided that the correct acknowledgement is given.

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