Ultrathin Spinel LiMn2O4 Nanowires as High Power Cathode Materials for Li-Ion Batteries

被引：450

作者：

Lee, Hyun-Wook ^{[1
]}

Muralidharan, P. ^{[1
]}

Ruffo, Riccardo ^{[2
]}

Mari, Claudio M. ^{[2
]}

Cui, Yi ^{[3
]}

Kim, Do Kyung ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South Korea

[2] Univ Milano Bicocca, Dipartimento Sci Mat, I-20125 Milan, Italy

[3] Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA

来源：

NANO LETTERS | 2010年 / 10卷 / 10期

关键词：

Energy storage; lithium ion battery; LiMn2O4; nanowires; high power density; Jahn-Teller distortion; MANGANESE-DIOXIDE; LITHIUM; ELECTRODES; OPTIMIZATION; PERFORMANCE; CAPACITY; CELL;

D O I：

10.1021/nl101047f

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Ultrathin LiMn2O4 nanowtres with cubic spinet structure were synthesized by using a solvothermal reaction to produce alpha-MnO2 nanowire followed by solid-state lit-Nation. LiMn2O4 nanowires have diameters less than 10 nm and lengths of several micrometers Galvanostatic battery testing showed that LiMn2O4 nanowires deliver 100 and 78 mAh/g at very high rate (60C and 150C, respectively) in a larger potential window with very good capacity retention and outstanding structural stability Such performances are due to both the favorable morphology and the high crystallinity of nanowires

引用

页码：3852 / 3856

页数：5

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