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Novel NiCo 2 O 4 @Au nanotubes (NTs) with a mesporous structure and hollow interiors have been synthesized by the electrospinning method followed by calcination in air. For supercapacitor application, the specific capacitance of NiCo 2 O 4 @Au NTs reached 1013.5Fg −1 and could be maintained at 85.13% after 10,000 cycles at a current density of 10Ag −1 ...
SnO 2 is considered as one of the most promising anode material because of its high lithium storage capability. However, poor cycling performance caused by serious aggregation and considerable volume change upon cycling hampers its industrial application. In this paper, a simple synthesis route is demonstrated for the preparation of SnO 2 @graphene@graphene (SnO 2 @G@G) for...
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