Issue 3, 2014

Partially nitrided molybdenum trioxide with promoted performance as an anode material for lithium-ion batteries

Abstract

To obtain new anode materials with improved lithium storage properties, molybdenum oxynitride (phase X) was developed from a partial nitridation strategy by heating bulk molybdenum trioxide (MoO3) in a NH3 atmosphere. The elemental mapping shows homogeneous distribution of nitrogen and the nominal composition of the material was well characterized by X-ray photoelectron spectroscopy (XPS) in combination with elemental analysis. The material was evaluated as an anode material for lithium ion batteries for the first time. A reversible capacity of about 980 mA h gāˆ’1 was achieved at a current density of 50 mA gāˆ’1, showing significantly improved capability retention compared to bulk MoO3, which was due to its increased conductivity. Considering the ease of large-scale fabrication, molybdenum oxynitride should be very promising for lithium ion battery applications. The strategy may also be applied to other metal oxides to improve their performances in lithium ion batteries.

Graphical abstract: Partially nitrided molybdenum trioxide with promoted performance as an anode material for lithium-ion batteries

Supplementary files

Article information

Article type
Paper
Submitted
16 Sep 2013
Accepted
31 Oct 2013
First published
01 Nov 2013

J. Mater. Chem. A, 2014,2, 699-704

Partially nitrided molybdenum trioxide with promoted performance as an anode material for lithium-ion batteries

W. Ji, R. Shen, R. Yang, G. Yu, X. Guo, L. Peng and W. Ding, J. Mater. Chem. A, 2014, 2, 699 DOI: 10.1039/C3TA13708B

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