A flexible nanostructured sulphur-carbon nanotube cathode with high rate performance for Li-S batteries

Zhou, Guangmin, Wang, Da-Wei, Li, Feng, Hou, Peng-Xiang, Yin, Lichang, Liu, Chang, Lu, Gao Qing (Max), Gentle, Ian R. and Cheng, Hui-Ming (2012) A flexible nanostructured sulphur-carbon nanotube cathode with high rate performance for Li-S batteries. Energy and Environmental Science, 5 10: 8901-8906. doi:10.1039/c2ee22294a


Author Zhou, Guangmin
Wang, Da-Wei
Li, Feng
Hou, Peng-Xiang
Yin, Lichang
Liu, Chang
Lu, Gao Qing (Max)
Gentle, Ian R.
Cheng, Hui-Ming
Title A flexible nanostructured sulphur-carbon nanotube cathode with high rate performance for Li-S batteries
Journal name Energy and Environmental Science   Check publisher's open access policy
ISSN 1754-5692
1754-5706
Publication date 2012-10
Sub-type Article (original research)
DOI 10.1039/c2ee22294a
Volume 5
Issue 10
Start page 8901
End page 8906
Total pages 6
Place of publication Cambridge, United Kingdom
Publisher RSC Publications
Collection year 2013
Language eng
Formatted abstract We report the template-directed synthesis of sulphur–carbon nanotubes and their use to form a membrane that is binder-free, highly conductive and flexible. This nanostructured membrane is used as a self-supporting cathode without metal current-collectors for Li-S batteries. The membrane cathode has a high electrical conductivity and renders a long life of sulphur of over 100 charge–discharge cycles. High discharge capacity of sulphur was attained at 712 mA h gsulphur−1 (23 wt% S) and 520 mA h gsulphur−1 (50 wt% S) at a high current density (6 A gsulphur−1). The overall capacity of the flexible cathode correspondingly reaches 163 mA h g−1 (23 wt% S) and 260 mA h g−1 (50 wt% S). These results demonstrate the great potential of this nanostructured flexible membrane as a cathode for Li-S batteries with fast charge–discharge performance and long life.
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Published under Communication

 
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Created: Fri, 26 Oct 2012, 14:46:16 EST by Mrs Louise Nimwegen on behalf of School of Chemistry & Molecular Biosciences