| Influence of carbon nanotube structure on the electrochemical properties of PVA-derived carbon coated Si/carbon nanotube composites |
| Y. Zhang; C. Liu; F. Li; H. M. Cheng
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| 2006
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| 发表期刊 | New Carbon Materials
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| ISSN | 1007-8827
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| 卷号 | 21期号:4页码:307-314 |
| 摘要 | Silicon/carbon nanotube/polyvinyl alcohol (PVA)-derived carbon composites were prepared by carbonization of PVA, and the differences of single-walled carbon nanotubes (SWCNTs), double-walled carbon nanotubes (DWCNTs) and multi-walled carbon nanotubes (MWCNTs) as resilient conductive networks to buffer the volume change of the silicon were investigated. Due to the much higher aspect ratio, SWCNTs and DWCNTs provide a better wrapping effect than do MWCNTs to buffer the volume change of silicon. SWCNTs and DWCNTs have similar diameter, aspect ratio and aggregation form. However, DWCNTs exhibit better structure stability than SWCNTs during electrochemical cycling, and consequently contribute a higher degree of resiliency to buffer the volume change of the silicon. |
| 部门归属 | chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china.;cheng, hm (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china;cheng@imr.ac.cn
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| 关键词 | Li-ion Battery
Silicon
Carbon Nanotubes
Carbonization
Lithium-ion Batteries
Field-emission Properties
Hydrogen-arc-discharge
Anode Material
Secondary Batteries
Morphology
Si
Intercalation
Raman
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| URL | 查看原文
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| WOS记录号 | WOS:000243177000004
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| 引用统计 |
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| 文献类型 | 期刊论文
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| 条目标识符 | http://ir.imr.ac.cn/handle/321006/34720
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| 专题 | 中国科学院金属研究所
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推荐引用方式
GB/T 7714 |
Y. Zhang,C. Liu,F. Li,et al. Influence of carbon nanotube structure on the electrochemical properties of PVA-derived carbon coated Si/carbon nanotube composites[J]. New Carbon Materials,2006,21(4):307-314.
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| APA |
Y. Zhang,C. Liu,F. Li,&H. M. Cheng.(2006).Influence of carbon nanotube structure on the electrochemical properties of PVA-derived carbon coated Si/carbon nanotube composites.New Carbon Materials,21(4),307-314.
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| MLA |
Y. Zhang,et al."Influence of carbon nanotube structure on the electrochemical properties of PVA-derived carbon coated Si/carbon nanotube composites".New Carbon Materials 21.4(2006):307-314.
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