A porous silicon-carbon anode with high overall capacity on carbon fiber current collector

被引：74

作者：

Guo, Juchen ^{[1
]}

Sun, Ann ^{[1
]}

Wang, Chunsheng ^{[1
]}

机构：

[1] Univ Maryland, Dept Chem & Biomol Engn, College Pk, MD 20742 USA

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2010年 / 12卷 / 07期

关键词：

Silicon anode; Porous; Carbon fiber; Lithium-ion battery; LITHIUM STORAGE; COATED SILICON; ION BATTERIES; NANOPARTICLES; PERFORMANCE; COMPOSITE;

D O I：

10.1016/j.elecom.2010.05.006

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A porous silicon-carbon anode on a lightweight carbon fiber current collector is reported here for lithium-ion batteries. This Si-C anode was synthesized through a one-step carbonization of a Si-poly(acrylonitrile-co-methyl acrylate) precursor, which was directly deposited on a carbon fiber mat. The carbon fiber curent collector allows higher loading of active materials, resulting in high energy to mass and area ratios. The obtained Si-C electrode demonstrated superior overall capacity, cyclability, and rate capacity. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：981 / 984

页数：4

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