Electrochemical studies of the Si-based composites with large capacity and good cycling stability as anode materials for rechargeable lithium ion batteries

被引：54

作者：

Hanai, K ^{[1
]}

Liu, Y ^{[1
]}

Imanishi, N ^{[1
]}

Hirano, A ^{[1
]}

Matsumura, M ^{[1
]}

Ichikawa, T ^{[1
]}

Takeda, Y ^{[1
]}

机构：

[1] Mie Univ, Dept Chem, Fac Engn, Tsu, Mie 5148507, Japan

来源：

JOURNAL OF POWER SOURCES | 2005年 / 146卷 / 1-2期

关键词：

silicon; composite anodes; Li-ion batteries; pyrolysis reaction; high-energy mechanical milling;

D O I：

10.1016/j.jpowsour.2005.03.108

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The Si-C and Si-M-C (C, the disordered carbon) composites prepared from pyrolysis reaction and high-energy mechanical milling process have a significant enhancement in the electrochemical cycling stability over pure silicon. The introduction of the hard co-milling components (M, such as TiB2 and TiN) in the Si-C composite before pyrolysis reaction brings an improvement in the charging rate and cycling performance, but it leads to a slight loss in the reversible capacity. The full cell with the composite anodes and the LiCo0.2Ni0.8O2 cathode was fabricated to show large anode capacity over 600 mAh g(-1) within a potential range of 2.3-3.9 V that might result in a high energy density. The Si-based composites appear to be the promising anode candidates for Li-ion batteries. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：156 / 160

页数：5

共 16 条

[1] Reaction of Li with alloy thin films studied by in situ AFM [J].