Silicon/Single-Walled Carbon Nanotube Composite Paper as a Flexible Anode Material for Lithium Ion Batteries

被引：131

作者：

Chou, Shu-Lei ^{[1
,2
]}

Zhao, Yue ^{[1
,3
]}

Wang, Jia-Zhao ^{[1
,2
]}

Chen, Zhi-Xin ^{[3
]}

Liu, Hua-Kun ^{[1
,2
]}

Dou, Shi-Xue ^{[1
]}

机构：

[1] Univ Wollongong, Inst Superconducting & Elect Mat, Wollongong, NSW 2522, Australia

[2] Univ Wollongong, ARC Ctr Excellence Electromat Sci, Wollongong, NSW 2522, Australia

[3] Univ Wollongong, Fac Engn, Wollongong, NSW 2522, Australia

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2010年 / 114卷 / 37期

基金：

澳大利亚研究理事会;

关键词：

HIGH-CAPACITY; INTERCALATION; NANOWIRES;

D O I：

10.1021/jp1063403

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Flexible silicon/single-walled carbon nanotube (Si/SWCNT) composite paper was prepared using the pulsed laser deposition (PLD) method to deposit Si onto SWCNT paper. In the composite, Si mainly shows nanoworm-like morphology. Increasing deposition time results in an increased amount of Si microspheres. Electrochemical measurements show that the capacity of the composite paper is improved by the presence of Si. The Si/SWCNT composite with only 2.2% Si shows a capacity of 163 mA h g(-1) at a current density of 25 mA g(-1) up to 50 cycles, which is more than 60% improvement of the capacity of pristine CNT paper. The Si contribution in the 2.2%-Si/SWCNT sample is calculated to be higher than 3000 mA h g(-1).

引用

页码：15862 / 15867

页数：6

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