Issue 17, 2016

Sisal-derived activated carbons for cost-effective lithium–sulfur batteries

Abstract

Elemental sulfur was successfully impregnated in an activated carbon (AC) matrix obtained from sisal fibers. The impregnation of sulfur in the activated carbon (S-AC) matrix was confirmed by XRD, SEM and Raman analyses. The sulfurized activated carbon (S-AC) composite electrode was employed as a cathode material for lithium–sulfur (Li–S) cell. The Li–S cell delivered a discharge capacity of 950 mA h g−1 at 0.1C-rate. The electrochemical impedance spectroscopy measurements were carried out for the Li–S cell before and after cycling and also at different depth of discharge and depth of charge. A stable cycling was achieved at 1C-rate.

Graphical abstract: Sisal-derived activated carbons for cost-effective lithium–sulfur batteries

Article information

Article type
Paper
Submitted
04 12月 2015
Accepted
23 1月 2016
First published
26 1月 2016

RSC Adv., 2016,6, 13772-13779

Sisal-derived activated carbons for cost-effective lithium–sulfur batteries

M. Raja, N. Angulakshmi and A. M. Stephan, RSC Adv., 2016, 6, 13772 DOI: 10.1039/C5RA25850B

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