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

被引：12
作者：
Reddy, I. Neelakanta [1 ]
Akkinepally, Bhargav [1 ]
Manjunath, Venkatesu [2 ]
Neelima, Gaddam [3 ]
Reddy, Mogalahalli V. [4 ]
Shim, Jaesool [1 ]
机构：
[1] Yeungnam Univ, Sch Mech Engn, Gyongsan 38541, South Korea
[2] Sri Padmavati Mahila Visvavidyalayam, Dept Phys, Tirupati 517502, Andhra Pradesh, India
[3] Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan
[4] Nouveau Monde Graphite, St Michel Des Saints, PQ J0K 3B0, Canada
来源：
MOLECULES | 2021年 / 26卷 / 23期
基金：
新加坡国家研究基金会;
关键词：
V2O5; SnO2; nanostructures; high specific capacity; energy storage; Li-ion battery; HIGH-PERFORMANCE ANODE; COMPOSITES; DEPOSITION;
D O I：
10.3390/molecules26237262
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
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 m(2)g(-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.
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页数：12
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