What is it about?
A facile ball-milling route, which can help in large-scale synthesis, is developed to prepare graphene-wrapped sulfur/carbon nanotubes composite. Electrochemical tests show that the obtained composite demonstrates high sulfur utilization and good cycle performance.
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Why is it important?
A graphene-wrapped sulfur/carbon nanotubes composite was successfully prepared via the ball-milling method. Compared to previous solution-based methods, the large-scale synthesis of a graphene-wrapped sulfur composite with high consistency can be easily achieved by this strategy. The homogeneous coating of graphene on the sulfur/carbon nanotubes composite can be observed from the SEM and TEM characterization, and it leads to a high electrochemical performance of the obtained composite.
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This page is a summary of: Graphene-wrapped sulfur-based composite cathodes: ball-milling synthesis and high discharge capacity, RSC Advances, January 2014, Royal Society of Chemistry,
DOI: 10.1039/c4ra08164a.
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