High performance carbon nanotube-Si core-shell wires with a rationally structured core for lithium ion battery anodes

被引：66

作者：

Fan, Yu ^{[1
]}

Zhang, Qing ^{[1
]}

Lu, Congxiang ^{[1
]}

Xiao, Qizhen ^{[1
]}

Wang, Xinghui ^{[1
]}

Tay, Beng Kang ^{[1
]}

机构：

[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Nanoelect Ctr Excellence, NOVITAS, Singapore 639798, Singapore

来源：

NANOSCALE | 2013年 / 5卷 / 04期

关键词：

NEGATIVE ELECTRODES; SILICON; ARRAYS; CAPACITY;

D O I：

10.1039/c3nr33683b

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Core-shell Si nanowires are very promising anodematerials. Here, we synthesize vertically aligned carbon nanotubes (CNTs) with relatively large diameters and large inter-wire spacing as core wires and demonstrate a CNT-Si core-shell wire composite as a lithium ion battery (LIB) anode. Owing to the rationally engineered core structure, the composite shows good capacity retention and rate performance. The excellent performance is superior to most core-shell nanowires previously reported.

引用

页码：1503 / 1506

页数：4

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