Issue 9, 2013

Synthesis of Mo2N nanolayer coated MoO2 hollow nanostructures as high-performance anode materials for lithium-ion batteries

Abstract

We report a simple and effective carbon-free nanocoating strategy for large-scale synthesis of Mo2N nanolayer coated MoO2 hollow nanostructures. This strategy only involves commercial MoO3 powders reacted with reduced gas. The carbon-free nanocoating of Mo2N is highly effective in improving the electrochemical properties of MoO2, promising advanced batteries with high specific capacity up to 815 mA h g−1, long cycle-life (e.g., >100 cycles) and high rate capability compared with the carbon nanocoating commonly used in electrode materials. The present nitride-nanocoating strategy is facile but effective, and therefore it is very promising for large-scale industrial production. It may be extended to prepare other metal oxides with nitride coating nanolayers to enhance their performances as electrode materials.

Graphical abstract: Synthesis of Mo2N nanolayer coated MoO2 hollow nanostructures as high-performance anode materials for lithium-ion batteries

Supplementary files

Article information

Article type
Paper
Submitted
25 Mar 2013
Accepted
11 Jun 2013
First published
12 Jun 2013

Energy Environ. Sci., 2013,6, 2691-2697

Synthesis of Mo2N nanolayer coated MoO2 hollow nanostructures as high-performance anode materials for lithium-ion batteries

J. Liu, S. Tang, Y. Lu, G. Cai, S. Liang, W. Wang and X. Chen, Energy Environ. Sci., 2013, 6, 2691 DOI: 10.1039/C3EE41006D

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