Ordered Mesoporous Metallic MoO<sub>2</sub> Materials with Highly Reversible Lithium Storage Capacity

Yifeng Shi(University of California, Santa Barbara), Bingkun Guo(University of California, Santa Barbara), Serena A. Cussen(University of California, Santa Barbara), Qihui Shi(University of California, Santa Barbara), Yong‐Sheng Hu(University of California, Santa Barbara), Kevin R. Heier(University of California, Santa Barbara), Liquan Chen(University of California, Santa Barbara), Ram Seshadri(University of California, Santa Barbara), Galen D. Stucky(University of California, Santa Barbara)
Nano Letters
September 23, 2009
10.1021/nl902423a
Cited by 682

Abstract

Highly ordered mesoporous crystalline MoO(2) 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 MoO(2) material shows a typical metallic conductivity with a low resistivity ( approximately 0.01Omega cm at 300 K), which makes it different from all previously reported mesoporous metal oxides materials. Primary test found that mesoporous MoO(2) 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.

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