Articles written in Bulletin of Materials Science

    • Synthesis of V$_2$O$_5$ nanoparticles: cathode materials for lithium-ion batteries


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      Vanadium oxide-based nanomaterials have been showing great promise as cathode materials for lithium-ion batteries (LIBs). Among these, nanostructured V2O5 shows a high discharge capacity due to its layer structure and thermodynamically stable form. This work reports the synthesis of V$_2$O$_5$ nanoparticles via a simple low temperature hydrothermal method using ammonium vanadate and quinol. The reduced size of V$_2$O$_5$ has resulted in the blue shift of the absorption spectrum. The material has been examined as a cathode material to study lithium intercalation/deintercalation. It shows aninitial discharge capacity of 310 mAh g$^{−1}$ at a current density of 0.1 mA g$^{−1}$ at 1.5–4 V and retains a specific discharge capacity of 184 mAh g$^{−1}$ even after 58 cycles. The present study manifests how the nanostructured size V$_2$O$_5$ could be applied as a high-energy cathode material for LIBs.

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      Prof. Surajit Dhara — School of Physics, University of Hyderabad, Hyderabad
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      Click here for Editorial Note on CAP Mode

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