Issue 31, 2015

Synthesis of highly electrochemically active Li2S nanoparticles for lithium–sulfur-batteries

Abstract

Carbothermal reduction of lithium sulfate below its melting point was used to produce sub-micron sized lithium sulfide particles which retain the morphology of the source particle. Using a lithium polysulfide-doped ether electrolyte, significantly enhanced activation of lithium sulfide could be accomplished in battery cells, achieving high discharge capacities up to 1360 mA h gsulfur−1 at a 0.1C rate. Showing an economically viable and scalable reaction routine for future lithium–sulfur-batteries.

Graphical abstract: Synthesis of highly electrochemically active Li2S nanoparticles for lithium–sulfur-batteries

Supplementary files

Article information

Article type
Paper
Submitted
19 Jun 2015
Accepted
03 Jul 2015
First published
03 Jul 2015
This article is Open Access
Creative Commons BY-NC license

J. Mater. Chem. A, 2015,3, 16307-16312

Author version available

Synthesis of highly electrochemically active Li2S nanoparticles for lithium–sulfur-batteries

M. Kohl, J. Brückner, I. Bauer, H. Althues and S. Kaskel, J. Mater. Chem. A, 2015, 3, 16307 DOI: 10.1039/C5TA04504E

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