Even at a high current density of 1 and 2 A g −1, the core–shell structured C/SnO 2 hollow spheres electrode still exhibits excellent discharge capacity in the long life cycles. Owing to the dual buffer effect of the carbon layer and hollow structures, the core–shell structured C/SnO 2 hollow spheres deliver a high reversible discharge capacity of 1007 mAh g −1 at a current density of 100 mA g −1 after 300 cycles and a superior discharge capacity of 915 mAh g −1 at 500 mA g −1 after 500 cycles.
Very importantly, high-yield C/SnO 2 spheres can be produced by this method, which suggest potential business applications in LIBs field. Herein, novel one-dimensional (1D) hollow core-shell SnO2/C fibers were synthesized by facile coaxial electrospinning. dendrites with 0.03 M SnCl4.5 H2O, (e) high magnification image of SnO2. Herein, the solid and hollow structure as well as the carbon content can be controlled. In prepared core-shell nanostructures, -Fe2O3 NPs form the core and SnO2. The ZnOSnO 2 coreshell nanowires were synthesized through a novel two-step chemical growth. To meet this, a facile and efficient strategy to fabricate core–shell structured C/SnO 2 hollow spheres by a solvothermal method is reported. The fabrication and electrical properties of H 2 gas sensor with ZnOSnO 2 coreshell nanostructure were studied. Therefore, the simple but effective method focused on fabrication of SnO 2 is imperative. Due to the high theoretical capacity as high as 1494 mAh g −1, SnO 2 is considered as a potential anode material for high-capacity lithium–ion batteries (LIBs).
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