Abstract
In this work, two V2O5 porous microstructures with nest-like shape and spherical shape were synthesized and characterized. As the formed V2O5 samples were used as active materials for the preparation of lithium-ion batteries, the enhanced electrochemical performances could be obtained. The novel structure endows the electrode materials shorter diffusion pathways and contributes to the transport of Li+-electrons. For the formed V2O5 porous microspheres electrode, a stable reversible specific capacity of 989.8 mA h g−1 can be obtained at 0.5 A g−1 after 350 cycles. As the current density gradually increases to 5.0 A g−1, the reversible capacity still maintains at 426.2 mA h g−1. These characteristics prove that the formed V2O5 porous microspheres present a wide application prospect in the field of portable energy storage device.
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