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Facile One-Pot Synthesis of Hollow Cu2O Spheres with Porous Shells as High-Performance Anode Materials for Lithium Ion Batteries

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Hollow Cu2O spheres with highly porous shells were synthesized via a facile one-pot solution route at low temperature. The resultant Cu2O spheres were characterized by means of XRD, SEM, TEM and BET techniques. The results show that the typical diameters of the prepared Cu2O hollow spheres are 100-300 nm. Each Cu2O sphere is constructed of small nanoparticles. Electrochemical tests reveal that the hollow Cu2O spheres have very high and stable lithium ion (Li +) storage capacities of 412.5 mAh g-1 at 0.5C after 100 cycles. The superior Li storage performance of the Cu2O spheres is due to their highly porous nanostructure and fine spherical morphology. The prepared Cu2O spheres show great promise for use as high performance anode materials for lithium ion batteries (LIBs).
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Keywords: Anode materials; Cu2O; Lithium ion batteries; hollow spheres; porous shells; solution route

Document Type: Research Article

Publication date: August 1, 2015

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  • Current Nanoscience publishes authoritative reviews and original research reports, written by experts in the field on all the most recent advances in nanoscience and nanotechnology. All aspects of the field are represented including nano- structures, synthesis, properties, assembly and devices. Applications of nanoscience in biotechnology, medicine, pharmaceuticals, physics, material science and electronics are also covered. The journal is essential to all involved in nanoscience and its applied areas.
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