Issue 3, 2015
From the journal:

Journal of Materials Chemistry A

Coaxial MnO/N-doped carbon nanorods for advanced lithium-ion battery anodes†

Xin Gu,a   Jie Yue,b   Liang Chen,b   Shuo Liu,b   Huayun Xu,b   Jian Yang,*b   Yitai Qian*bc  and  Xuebo Zhao*a  

* Corresponding authors

a Institute of Unconventional Hydrocarbon and New Energy Sources, China University of Petroleum (East China), Qingdao 266580, P.R. China
E-mail: zhaoxuebo@upc.edu.cn

b Key Laboratory of Colloid and Interface Chemistry, Ministry of Education. School of Chemistry and Chemical Engineering, Shandong University, Jinan, P.R. China
E-mail: yangjian@sdu.edu.cn

c Hefei National Laboratory for Physical Science at Microscale. Department of Chemistry, University of Science and Technology of China, Hefei, P.R. China
E-mail: ytqian@ustc.edu.cn

Abstract

MnO nanorods encapsulated by N-doped carbon are prepared, using polypyrrole-coated MnOOH nanorods as both a template and a precursor. The resulting coaxial nanorods have a one-dimensional shape, nanoscale size and an N-doped carbon coating within one particle, which substantially improves their electrochemical performance. As an anode material for lithium-ion batteries, the coaxial nanorods of MnO/N-doped carbon deliver a specific capacity of 982 mA h g−1 at a current density of 500 mA g−1 after 100 cycles, higher than the values for pure MnO nanostructures and MnO/C nanocomposites. At a current density of 5000 mA g−1, the reversible capacity of the coaxial nanorods could be as high as 372 mA h g−1.

Graphical abstract: Coaxial MnO/N-doped carbon nanorods for advanced lithium-ion battery anodes

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Article information

DOI
https://doi.org/10.1039/C4TA05622A
Article type
Paper
Submitted
21 Oct 2014
Accepted
30 Oct 2014
First published
30 Oct 2014

J. Mater. Chem. A, 2015,3, 1037-1041

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Coaxial MnO/N-doped carbon nanorods for advanced lithium-ion battery anodes

X. Gu, J. Yue, L. Chen, S. Liu, H. Xu, J. Yang, Y. Qian and X. Zhao, J. Mater. Chem. A, 2015, 3, 1037 DOI: 10.1039/C4TA05622A

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