Multilayer nanoassembly of Sn-nanopillar arrays sandwiched between graphene layers for high-capacity lithium storage

被引：203

作者：

Ji, Liwen ^{[1
]}

Tan, Zhongkui ^{[1
]}

Kuykendall, Tevye ^{[1
]}

An, Eun Ji ^{[1
]}

Fu, Yanbao ^{[2
]}

Battaglia, Vincent ^{[2
]}

Zhang, Yuegang ^{[1
]}

机构：

[1] Univ Calif Berkeley, Lawrence Berkeley Lab, Mol Foundry, Berkeley, CA 94720 USA

[2] Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Energy Technol Dept, Berkeley, CA 94720 USA

来源：

ENERGY & ENVIRONMENTAL SCIENCE | 2011年 / 4卷 / 09期

关键词：

ION BATTERIES; ANODE MATERIAL; HOLLOW CARBON; SECONDARY BATTERIES; TIN-NANOPARTICLES; FILM FORMATION; PERFORMANCE; NANOFIBERS; ELECTRODE; ENCAPSULATION;

D O I：

10.1039/c1ee01592c

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Sn nanopillar arrays embedded between graphene sheets were assembled using a conventional film deposition and annealing process. The as-formed three-dimensional (3D) multilayered nanostructure was directly used as an anode material for rechargeable lithium-ion batteries without adding any polymer binder and carbon black. Electrochemical measurements showed very high reversible capacity and excellent cycling performance at a current density as high as 5 A g(-1). These results demonstrated that nanocomposite materials with highly functional 1D and 2D components can be synthesized by employing conventional top-down manufacturing methods and self-assembly principles.

引用

页码：3611 / 3616

页数：6

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