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In Situ Sulfur Reduction and Intercalation of Graphite Oxides for Li-S Battery Cathodes




Sulfur intercalated expanded graphite for Li-S battery cathodes is synthesized by in situ one-step sulfur reduction and intercalation of graphite oxide (GO). The unique structural reduced graphene oxide (RGO)/S nanocomposite cathodes exhibit high capacity, super rate capability, and long cycle stability. The exceptional electrochemical properties of the RGO/S composites plus their simple fabrication make this class of materials attrac­tive for further investigation in Li-S batteries applications.

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