Journal
ELECTROCHIMICA ACTA
Volume 51, Issue 7, Pages 1330-1335Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2005.06.021
Keywords
sublimed sulfur; multi-walled carbon nanotubes; lithium battery; nanocomposite; cathode material
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A novel conductive sulfur-containing nanocomposite cathode material was synthesized by heating the mixture of sublimed sulfur and multi-walled carbon nanotubes (MWNTs) in certain conditions. The cathode with MWNTs-sulfur nanocomposite (MSN) material shows the improvement of not only the charge-discharge capacity but also cycle durability. From the results, it is confirmed that the MWNTs shows a vital role on adsorbing sublimed sulfur and the polysulfides within the cathode and is an excellent electric conductor for the lithium-sulfur rechargeable system. It can effectively prevent the shuttle behavior of the lithium-sulfur battery. (C) 2005 Elsevier Ltd. All rights reserved.
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