Sulfur-Impregnated Disordered Carbon Nanotubes Cathode for Lithium–Sulfur Batteries
Nano Letters2011Vol. 11(10), pp. 4288–4294
Citations Over TimeTop 1% of 2011 papers
Abstract
The commercialization of lithium-sulfur batteries is hindered by low cycle stability and low efficiency, which are induced by sulfur active material loss and polysulfide shuttle reaction through dissolution into electrolyte. In this study, sulfur-impregnated disordered carbon nanotubes are synthesized as cathode material for the lithium-sulfur battery. The obtained sulfur-carbon tube cathodes demonstrate superior cyclability and Coulombic efficiency. More importantly, the electrochemical characterization indicates a new stabilization mechanism of sulfur in carbon induced by heat treatment.
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