The lithium sulfur (Li-S) batteries have a high theoretical specific capacity (1675 mAh g-1) and energy density (2600 Wh kg-1), exerting a high perspective as the next-generation rechargeable batteries for...

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The surface decoration of CoS2 on SPAN–CNT nanofibers endows lithium–sulfur (Li–S) batteries with outstanding capacity reversibility and high energy density.

An rGo protection layer fabricated on lithium metal anodes formed mosaic patterns, in which the interconnected gaps serve as the passage for uniform lithium plating/stripping. Excellent electrochemical performance was achieved even under high lithium influx and a limited Li supply.