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SnO2 Quantum Dots Distributed along V2O5 Nanobelts for Utilization as a High-Capacity Storage Hybrid Material in Li-Ion Batteries.

ABSTRACT: In this study, the facile synthesis of SnO2 quantum dot (QD)-garnished V2O5 nanobelts exhibiting significantly enhanced reversible capacity and outstanding cyclic stability for Li+ storage was achieved. Electrochemical impedance analysis revealed strong charge transfer kinetics related to that of V2O5 nanobelts. The SnO2 QD-garnished V2O5 nanobelts exhibited the highest discharge capacity of ca. 760 mAhg-1 at a density of 441 mAg-1 between the voltage ranges of 0.0 to 3.0 V, while the pristine V2O5 nanobelts samples recorded a discharge capacity of ca. 403 mAhg-1. The high capacity of QD-garnished nanobelts was achieved as an outcome of their huge surface area of 50.49 m2g-1 and improved electronic conductivity. Therefore, the as-presented SnO2 QD-garnished V2O5 nanobelts synthesis strategy could produce an ideal material for application in high-performance Li-ion batteries.

SUBMITTER: Reddy IN 

PROVIDER: S-EPMC8658980 | biostudies-literature | 2021 Nov

REPOSITORIES: biostudies-literature

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SnO<sub>2</sub> Quantum Dots Distributed along V<sub>2</sub>O<sub>5</sub> Nanobelts for Utilization as a High-Capacity Storage Hybrid Material in Li-Ion Batteries.

Reddy I Neelakanta IN   Akkinepally Bhargav B   Manjunath Venkatesu V   Neelima Gaddam G   Reddy Mogalahalli V MV   Shim Jaesool J  

Molecules (Basel, Switzerland) 20211130 23

In this study, the facile synthesis of SnO<sub>2</sub> quantum dot (QD)-garnished V<sub>2</sub>O<sub>5</sub> nanobelts exhibiting significantly enhanced reversible capacity and outstanding cyclic stability for Li<sup>+</sup> storage was achieved. Electrochemical impedance analysis revealed strong charge transfer kinetics related to that of V<sub>2</sub>O<sub>5</sub> nanobelts. The SnO<sub>2</sub> QD-garnished V<sub>2</sub>O<sub>5</sub> nanobelts exhibited the highest discharge capacity of ca. 76  ...[more]

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