Hollow core-shell structured porous Si-C nanocomposites for Li-ion battery anodes

被引：253
|
作者：
Li, Xiaolin [1 ]
Meduri, Praveen [1 ]
Chen, Xilin [1 ]
Qi, Wen [1 ,2 ]
Engelhard, Mark H. [1 ]
Xu, Wu [1 ]
Ding, Fei [1 ,3 ]
Xiao, Jie [1 ]
Wang, Wei [1 ]
Wang, Chongmin [1 ]
Zhang, Ji-Guang [1 ]
Liu, Jun [1 ]
机构：
[1] Pacific NW Natl Lab, Richland, WA 99352 USA
[2] Tianjin Univ, Dept Mat Sci & Engn, Tianjin 300072, Peoples R China
[3] Tianjin Inst Power Sources, Natl Key Lab Power Sources, Tianjin 300381, Peoples R China
来源：
JOURNAL OF MATERIALS CHEMISTRY | 2012年 / 22卷 / 22期
关键词：
LITHIUM SECONDARY BATTERIES; SILICON ANODE; RECHARGEABLE BATTERIES; CURRENT COLLECTOR; PERFORMANCE; STORAGE; CAPACITY; ELECTRODES; CARBON; COMPOSITE;
D O I：
10.1039/c2jm31286g
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：
Hollow core-shell structured porous Si-C nanocomposites with void space up to tens of nanometres are designed to accommodate the volume expansion during lithiation for high-performance Li-ion battery anodes. An initial capacity of similar to 760 mA h g(-1) after formation cycles (based on the entire electrode weight) with similar to 86% capacity retention over 100 cycles is achieved at a current density of 1 A g(-1). Good rate performance is also demonstrated.
引用
收藏
页码：11014 / 11017
页数：4
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