MoO3-x Nanowire Arrays As Stable and High-Capacity Anodes for Lithium Ion Batteries

被引：274

作者：

Meduri, Praveen ^{[1
]}

Clark, Ezra ^{[1
]}

Kim, Jeong H. ^{[2
]}

Dayalan, Ethirajulu ^{[4
]}

Sumanasekera, Gamini U. ^{[3
]}

Sunkara, Mahendra K. ^{[1
]}

机构：

[1] Univ Louisville, Dept Chem Engn, Louisville, KY 40292 USA

[2] Univ Louisville, Conn Ctr Renewable Energy Res, Louisville, KY 40292 USA

[3] Univ Louisville, Dept Phys, Louisville, KY 40292 USA

[4] ENSER Corp, Pinellas Pk, FL 33781 USA

来源：

NANO LETTERS | 2012年 / 12卷 / 04期

关键词：

Molybdenum oxide; anode; lithium ion battery; hybrid architecture; silicon; MOLYBDENUM OXIDES; PERFORMANCE; NANOBELTS;

D O I：

10.1021/nl203649p

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this study, vertical nanowire arrays of MoO3-x grown on metallic substrates with diameters of similar to 90 nm show high-capacity retention of similar to 630 mAhg(-1) for up to 20 cycles at 50 mAg(-1) current density. Particularly, they exhibit a capacity retention of similar to 500 mAhg(-1) in the voltage window of 0.7-0.1 V, much higher than the theoretical capacity of graphite. In addition, 10 nm Si-coated MoO3-x nanowire arrays have shown a capacity retention of similar to 780 mAhg(-1), indicating that hybrid materials are the next generation materials for lithium ion batteries.

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收藏

页码：1784 / 1788

页数：5

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