Porous Si/C composite as anode materials for high-performance rechargeable lithium-ion battery

被引：0

作者：

Bingbing Deng ^{[1
]}

Lian Shen ^{[1
]}

Yangai Liu ^{[1
]}

Tao Yang ^{[2
]}

Manshu Zhang ^{[1
]}

Renjie Liu ^{[1
]}

Zhaohui Huang ^{[1
]}

Minghao Fang ^{[1
]}

Xiaowen Wu ^{[1
]}

机构：

[1] Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences

[2] College of Materials and Environmental Engineering, Hangzhou Dianzi University

来源：

Chinese Chemical Letters | 2017年 / 28卷 / 12期

基金：

中央高校基本科研业务费专项资金资助;

关键词：

Magnesiothermic reduction; Porous Si; Lithium-ion battery; Anode materials; Carbon coating;

D O I：

暂无

中图分类号：

TM912 [蓄电池];

学科分类号：

0808 ;

摘要：

A novel porous silicon was synthesized through a magnesiothermic reduction method of molecular sieve for the first time, Si/C composite was synthesized by using pitch as carbon source. The porous Si/C composite shows a high initial specific capacity of 2018.5 mAh/g with current density of 0.1 A/g. When the current density increases to 2 A/g, it still exhibits high average specific capacity of 640.3 mAh/g. The porous structure can remit the Si particle pulverization during the lithiation/delithiation process. This article can provide a reference for the research of the porous Si anode for the high performance rechargeable lithium-ion battery.

引用

页码：2281 / 2284

页数：4

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