High lithium electroactivity of nanometer-sized rutile TiO2

被引：779

作者：

Hu, Yong-Sheng ^{[1
]}

Kienle, Lorenz ^{[1
]}

Guo, Yu- Guo ^{[1
]}

Maier, Joachim ^{[1
]}

机构：

[1] Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany

来源：

ADVANCED MATERIALS | 2006年 / 18卷 / 11期

关键词：

D O I：

10.1002/adma.200502723

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Nanometer-sized rutile shows much higher electroactivity towards Li insertion than micrometer-sized rutile. Up to 0.8 mol of Li per mole of TiO2 can be inserted into nanometer-sized rutile at room temperature (see figure), which is able to reversibly accommodate Li up to Li0.5TiO2 with excellent capacity retention and high rate capability on cycling, rendering it a promising anode material for high-power lithium-ion batteries.

引用

页码：1421 / +

页数：7

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