Solution-Grown Silicon Nanowires for Lithium-Ion Battery Anodes

被引：506

作者：

Chan, Candace K. ^{[2
]}

Patel, Reken N. ^{[3
]}

O'Connell, Michael J. ^{[4
]}

Korgel, Brian A. ^{[3
]}

Cui, Yi ^{[1
]}

机构：

[1] Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA

[2] Stanford Univ, Dept Chem, Stanford, CA 94305 USA

[3] Univ Texas Austin, Dept Chem Engn, Austin, TX 78712 USA

[4] Sp2 Carbon, Morgan Hill, CA 95037 USA

来源：

ACS NANO | 2010年 / 4卷 / 03期

关键词：

silicon nanowires; carbon nanotubes; lithium-ion battery anodes; SOLID-ELECTROLYTE-INTERPHASE; CORE-SHELL NANOWIRES; HIGH-CAPACITY; COMPOSITE ELECTRODES; CARBON NANOTUBES; ENERGY-STORAGE; SI; NANOCOMPOSITE; BINDER; PERFORMANCE;

D O I：

10.1021/nn901409q

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Composite electrodes composed of silicon nanowires synthesized using the supercritical fluid-liquid-solid (SFLS) method mixed with amorphous carbon or carbon nanotubes were evaluated as Li-ion battery anodes. Carbon coating of the silicon nanowires using the pyrolysis of sugar was found to be crucial for making good electronic contact to the material. Using multiwalled carbon nanotubes as the conducting additive was found to be more effective for obtaining good cycling behavior than using amorphous carbon. Reversible capacities of 1500 mAh/g were observed for 30 cycles.

引用

页码：1443 / 1450

页数：8

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