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Issue 15, 2014
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Novel Li3ClO based glasses with superionic properties for lithium batteries

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Abstract

Three types of next generation batteries are currently being envisaged among the international community: metal-air batteries, multivalent cation batteries and all-solid-state batteries. These battery designs require high-performance, safe and cost effective electrolytes that are compatible with optimized electrode materials. Solid electrolytes have not yet been extensively employed in commercial batteries as they suffer from poor ionic conduction at acceptable temperatures and insufficient stability with respect to lithium-metal. Here we show a novel type of glasses, which evolve from an antiperovskite structure and that show the highest ionic conductivity ever reported for the Li-ion (25 mS cm−1 at 25 °C). These glassy electrolytes for lithium batteries are inexpensive, light, recyclable, non-flammable and non-toxic. Moreover, they present a wide electrochemical window (higher than 8 V) and thermal stability within the application range of temperatures.

Graphical abstract: Novel Li3ClO based glasses with superionic properties for lithium batteries

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Article information


Submitted
08 Dec 2013
Accepted
26 Jan 2014
First published
07 Mar 2014

J. Mater. Chem. A, 2014,2, 5470-5480
Article type
Paper
Author version available

Novel Li3ClO based glasses with superionic properties for lithium batteries

M. H. Braga, J. A. Ferreira, V. Stockhausen, J. E. Oliveira and A. El-Azab, J. Mater. Chem. A, 2014, 2, 5470
DOI: 10.1039/C3TA15087A

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