Ordered Mesoporous Metallic MoO2 Materials with Highly Reversible Lithium Storage Capacity

被引：658

作者：

Shi, Yifeng ^{[2
]}

Guo, Bingkun ^{[1
]}

Corr, Serena A. ^{[3
,4
]}

Shi, Qihui ^{[2
]}

Hu, Yong-Sheng ^{[1
]}

Heier, Kevin R. ^{[5
]}

Chen, Liquan ^{[1
]}

Seshadri, Ram ^{[3
,4
]}

Stucky, Galen D. ^{[2
,3
,4
]}

机构：

[1] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter phys, Beijing 100190, Peoples R China

[2] Univ Calif Santa Barbara, Dept Chem & Biochem, Santa Barbara, CA 93106 USA

[3] Univ Calif Santa Barbara, Dept Mat, Santa Barbara, CA 93106 USA

[4] Univ Calif Santa Barbara, Mat Res Lab, Santa Barbara, CA 93106 USA

[5] Air Prod & Chem Inc, Allentown, PA 18195 USA

来源：

NANO LETTERS | 2009年 / 9卷 / 12期

关键词：

FIELD-EMISSION PROPERTIES; ANODE MATERIAL; ION BATTERIES; ELECTRODE PERFORMANCE; RATE CAPABILITY; NEGATIVE-ELECTRODE; FACILE SYNTHESIS; NANOWIRE ARRAYS; LI STORAGE; OXIDES;

D O I：

10.1021/nl902423a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Highly ordered mesoporous crystalline MoO2 materials with bicontinuous Ia3d mesostructure were synthesized by using phosphomolybdic acid as a precursor and mesoporous silica KIT-6 as a hard template in a 10% H-2 atmosphere via nanocasting strategy. The prepared mesoporous MoO2 material shows a typical metallic conductivity with a low resistivity (similar to 0.01 Omega cm at 300 K), which makes it different from all previously reported mesoporous metal oxides materials. Primary test found that mesoporous MoO2 material exhibits a reversible electrochemical lithium storage capacity as high as 750 mA h g(-1) at C/20 after 30 cycles, rendering it as a promising anode material for lithium ion batteries.

引用

页码：4215 / 4220

页数：6

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