Synthesis of Sandwich-like Carbon@SnO2@Carbon Composite Hollow Microspheres with High Rate Capability and Stability for Lithium-ion Batteries

被引：1
|
作者：
Liang, Jin [1 ]
Zhang, Dongyang [1 ]
Ding, Shujiang [1 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Sci, MOE Key Lab Nonequilibrium Synth & Modulat Conden, Xian 710049, Peoples R China
来源：
MATERIALS SCIENCE AND MECHANICAL ENGINEERING | 2014年 / 467卷
关键词：
Sandwich; Hollow; SnO2; Carbon; Lithium-ion; Batteries; GAS-SENSING PROPERTIES; STORAGE CAPABILITIES; SNO2; TEMPLATE; CARBON; SUPERCAPACITORS; PERFORMANCE; CAPACITY; SPHERES; NANOSTRUCTURES;
D O I：
10.4028/www.scientific.net/AMM.467.172
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
In this work, we prepared the sandwich-like carbon@SnO2@carbon hollow spheres by templating against polystyrene spheres. The hollow spheres are characterized by means of scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD). The electrochemical performance as the anodes of lithium-ions batteries are studied by the cyclic voltammogram (CV) and galvanostatic discharge-charge voltage tests. Because of the interesting structure, the as prepared carbon@SnO2@carbon hollow spheres deliver a reversible capacity of 492 mA h g(-1) after 50 cycles at a high current density of 400 mA g(-1).
引用
收藏
页码：172 / 178
页数：7
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