Silicon Thin Films as Anodes for High-Performance Lithium-Ion Batteries with Effective Stress Relaxation

被引：184

作者：

Yu, Cunjiang ^{[2
]}

Li, Xin ^{[1
]}

Ma, Teng ^{[2
]}

Rong, Jiepeng ^{[1
]}

Zhang, Rongjun ^{[2
]}

Shaffer, Joseph ^{[2
]}

An, Yonghao ^{[2
]}

Liu, Qiang ^{[2
]}

Wei, Bingqing ^{[1
]}

Jiang, Hanqing ^{[2
]}

机构：

[1] Univ Delaware, Dept Mech Engn, Newark, DE 19716 USA

[2] Arizona State Univ, Sch Engn Matter Transport & Energy, Tempe, AZ 85287 USA

来源：

ADVANCED ENERGY MATERIALS | 2012年 / 2卷 / 01期

基金：

美国国家科学基金会;

关键词：

stress relaxation; silicon anodes; lithium ion batteries; soft substrates; buckling; CORE-SHELL NANOWIRES; IN-SITU MEASUREMENTS; ELECTROCHEMICAL LITHIATION; PLASTIC-DEFORMATION; CAPACITY; COMPOSITE; ELECTRODES;

D O I：

10.1002/aenm.201100634

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：

High energy capacity Li-ion batteries using Si film anodes are found to have a long cyclic life by successful relaxation of the stress induced during lithiation and delithiation. A soft elastomer substrate in the Si anode plays a beneficial role for improved performance of the battery, which suggests a general way to solve the bottleneck problem for Si anodes.

引用

页码：68 / 73

页数：6

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