Issue 12, 2016

Pyrite FeS2 as an efficient adsorbent of lithium polysulphide for improved lithium–sulphur batteries

Abstract

Pyrite FeS2 chemically combines lithium polysulphide (Li2Sn) to form active Li2FeS2+n complexes that substantially reduce the out-diffusion of dissolved Li2Sn from sulphur cathodes and consequently improve the cycling performance of lithium–sulphur batteries. The same functions are also applicable to other transition metal sulphides, which opens a new direction for polysulphide sequestration in lithium–sulphur batteries.

Graphical abstract: Pyrite FeS2 as an efficient adsorbent of lithium polysulphide for improved lithium–sulphur batteries

Supplementary files

Article information

Article type
Communication
Submitted
07 फरवरी 2016
Accepted
19 फरवरी 2016
First published
23 फरवरी 2016

J. Mater. Chem. A, 2016,4, 4371-4374

Pyrite FeS2 as an efficient adsorbent of lithium polysulphide for improved lithium–sulphur batteries

S. S. Zhang and D. T. Tran, J. Mater. Chem. A, 2016, 4, 4371 DOI: 10.1039/C6TA01214K

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