Extreme-rate capable and highly stable SiCO-TiO2 hybrids for Li ion battery anodes

被引：9

作者：

Behera, Shantanu K. ^{[1
]}

Raj, Rishi ^{[1
]}

机构：

[1] Univ Colorado, Dept Mech Engn, Boulder, CO 80309 USA

来源：

CHEMICAL COMMUNICATIONS | 2013年 / 49卷 / 83期

基金：

美国国家科学基金会;

关键词：

SILICON OXYCARBIDE; LITHIUM; PERFORMANCE; ELECTRODE;

D O I：

10.1039/c3cc45311a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A novel hybrid material for Li ion battery anodes, synthesized from polysiloxane-derived SiCO and nanoparticulate TiO2, exhibited specific capacity in excess of 850 mA h g(-1), fully recoverable capacity after cycling at severe current densities, as high as 20000 mA g(-1) or 300 C rate, and exceptional stability beyond 1000 charge discharge cycles without capacity fading. Microscopy of the anodes after 3000 cycles showed no degradation or loss of materials.

引用

页码：9657 / 9659

页数：3

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