Synergistic Effect of SnO2/ZnWO4 Core-Shell Nanorods with High Reversible Lithium Storage Capacity

被引：22

作者：

Xing, Li-Li ^{[1
]}

Yuan, Shuang ^{[2
]}

He, Bin ^{[1
]}

Zhao, Ya-Yu ^{[1
]}

Wu, Xiao-Ling ^{[1
]}

Xue, Xin-Yu ^{[1
]}

机构：

[1] Northeastern Univ, Coll Sci, Shenyang 110004, Peoples R China

[2] Jilin Univ, Coll Mat Sci & Engn, Changchun 130022, Peoples R China

来源：

CHEMISTRY-AN ASIAN JOURNAL | 2013年 / 8卷 / 07期

基金：

高等学校博士学科点专项科研基金; 中国国家自然科学基金;

关键词：

core-shell structures; electrochemistry; lithium ion batteries; nanostructures; LI-ION BATTERIES; NEGATIVE ELECTRODES; ANODE MATERIAL; PERFORMANCE; TIN; NANOPARTICLES; COMPOSITES; CELL;

D O I：

10.1002/asia.201300337

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

High reversible lithium storage capacity is obtained from novel SnO2/ZnWO4 core-shell nanorods. At C/20 (20h per half cycle) rate, the reversible capacity of SnO2/ZnWO4 core-shell nanorods is as high as 1000mAhg-1, much higher than that of pure ZnWO4, SnO2, or the traditional theoretical result of the simple mixture. Such performance can be attributed to the synergistic effect between the nanostructured SnO2 and ZnWO4. The distinct electrochemical activity of ZnWO4 nanorods probably activates the irreversible capacity of the SnO2 nanoparticles. These results indicate that high-performance lithium ion batteries can be realized by introducing the synergistic effect of one-dimensional core-shell nanocomposites.

引用

页码：1530 / 1535

页数：6