Pyrolytic carbon-coated silicon/carbon nanotube composites: Promising application for Li-ion batteries

被引：1

作者：

Zhang, Yong ^{[1
]}

Zhao, Z. ^{[1
]}

Zhang, Z. ^{[1
]}

Zhang, H.-L. ^{[1
]}

Li, C. ^{[1
]}

Liu, C. ^{[1
]}

Cheng, H.-M. ^{[1
]}

机构：

[1] Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang

来源：

International Journal of Nanomanufacturing | 2008年 / 2卷 / 1-2期

关键词：

Carbon nanotubes; Chemical vapour deposition; CNTs; CVD; Li-ion batteries; Pyrolytic carbon; Silicon;

D O I：

10.1504/IJNM.2008.017834

中图分类号：

学科分类号：

摘要：

Carbon Nanotubes (CNTs) were grown on silicon nanoparticles by Chemical Vapour Deposition (CVD) method and then the as-prepared Si-CNT hybrid was coated by pyrolytic carbon through pyrolysis of sucrose, as anode material for Li-ion batteries in this study. After 20 cycles, the pyrolytic carbon coated silicon/CNT composite achieved a discharge capacity of 727 mAh/g. However, for the simple mixture of silicon and CNTs coated by a layer of pyrolytic carbon through pyrolysis of sucrose, the discharge capacity after 20 cycles was only 363 mAh/g. The CVD growth of CNTs on silicon suppresses the structure destruction of pyrolytic carbon-coated silicon/CNT composite during cycling, resulting in the improvement of cyclability. © 2008, Inderscience Publishers.

引用

页码：4 / 15

页数：11