Towards Ultrathick Battery Electrodes: Aligned Carbon Nanotube - Enabled Architecture

被引：202

作者：

Evanoff, Kara ^{[1
,3
]}

Khan, Javed ^{[2
]}

Balandin, Alexander A. ^{[2
]}

Magasinski, Alexandre ^{[1
]}

Ready, W. Jud ^{[3
]}

Fuller, Thomas F. ^{[4
]}

Yushin, Gleb ^{[1
]}

机构：

[1] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA

[2] Univ Calif Riverside, Dept Elect Engn, Riverside, CA 92521 USA

[3] Georgia Tech Res Inst, Electroopt Syst Lab, Atlanta, GA 30332 USA

[4] Georgia Inst Technol, Sch Chem & Biomol Engn, Atlanta, GA 30332 USA

来源：

ADVANCED MATERIALS | 2012年 / 24卷 / 04期

关键词：

thermal conductivity; silicon; electrodes; carbon nanotubes; Li-ion; ION; ANODES; PERFORMANCE; SILICON; STORAGE; GRAPHENE; MODEL;

D O I：

10.1002/adma.201103044

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Vapor deposition techniques were utilized to synthesize very thick (similar to 1 mm) Li-ion battery anodes consisting of vertically aligned carbon nanotubes coated with silicon and carbon. The produced anode demonstrated ultrahigh thermal (>400 W.m(-1).K-1) and high electrical (>20 S.m(-1)) conductivities, high cycle stability, and high average capacity (>3000 mAh.g(Si)(-1)). The processes utilized allow for the conformal deposition of other materials, thus making it a promising architecture for the development of Li-ion anodes and cathodes with greatly enhanced electrical and thermal conductivities.

引用

页码：533 / +

页数：6

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