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

页码：11014 / 11017

页数：4

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