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Template-Free Synthesis of VO2 Hollow Microspheres with Various Interiors and Their Conversion into V2O5 for Lithium-Ion Batteries

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  • The authors acknowledge financial support from the Institute of Nanosystems Interface Science and Technology (INSIST) at Nanyang Technological University.

Abstract

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Getting a charge out of microspheres: Uniform VO2 microspheres with various complex interiors, such as yolk-shelled and multi-shelled hollow structures, have been synthesized through a template-free solvothermal method. After annealing in air, the derived V2O5 microspheres manifest improved electrochemical performance as a high-capacity cathode material for lithium-ion batteries.

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