Abstract
Composition carbon materials with metal chalcogenides for the application of energy storage have attracted great attention due to the combination of good conductivity with high capacity. In this work, ultrasmall few-/single-layered WS2@nitrogen-doped carbon nanofibers(WS2@NCNFs) are successfully synthesized via electrospinning and annealing. The WS2@NCNFs cathode exhibits a discharge capacity of 314.07mAhg−1 and maintains 195.81mAhg−1 after 100 cycles at 100mAg−1, which is superior to that of the bulk WS2 cathode. The special composite nanostructure endows the WS2@NCNFs cathode with outstanding aluminum storage performances, which may provide new insight for realizing more attractive two-dimensional layered cathode materials for rechargeable aluminum batteries.
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