Synthesis of nanosized mesoporous silicon by magnesium-thermal method used as anode material for lithium ion battery

被引：48
作者：
Zhong, Hai [1 ]
Zhan, Hui [1 ]
Zhou, Yun-Hong [1 ]
机构：
[1] Wuhan Univ, Coll Chem & Mol Sci, Wuhan 430072, Peoples R China
来源：
JOURNAL OF POWER SOURCES | 2014年 / 262卷
关键词：
Magnesium thermal reduction; Nanosized mesoporous silicon; Silica; Anode material; Lithium ion battery; NANOCOMPOSITE; ELECTRODES; CAPACITY; SI;
D O I：
10.1016/j.jpowsour.2014.03.108
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：
Magnesium thermal reduction of the silica aggregation following with HF etching is used to obtain mesoporous nano-Silicon. The product shows an 1844 mAh g(-1) discharge capacity in the first cycle with 400 mA g(-1) current density and it still delivers a 1444 mAh g(-1) capacity after 100 cycles. Additionally, it presents a good rate capability. The mesoporous morphology and the ultra-fine particle are the reasons of the good electrochemical property. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：10 / 14
页数：5
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