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

被引：43

作者：

Raja, M. ^{[1
]}

Angulakshmi, N. ^{[1
,2
]}

Stephan, A. Manuel ^{[1
]}

机构：

[1] CSIR Cent Electrochem Res Inst, Electrochem Power Sources Div, Karaikkudi 630006, Tamil Nadu, India

[2] MG Univ, Kottayam 686560, Kerala, India

来源：

RSC ADVANCES | 2016年 / 6卷 / 17期

关键词：

ANODE MATERIALS; CHEMICAL ACTIVATION; PERFORMANCE; ELECTROLYTE; CATHODE; ELECTROCHEMISTRY; SHUTTLE; SHELLS;

D O I：

10.1039/c5ra25850b

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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.

引用

页码：13772 / 13779

页数：8

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