A novel tunnel Na0.61Ti0.48Mn0.52O2 cathode material for sodium-ion batteries

Shaohua Guo; Haijun Yu; Dequan Liu; Wei Tian; Xizheng Liu; Nobuko Hanada; Masayoshi Ishida; Haoshen Zhou

doi:10.1039/C4CC02362E

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A novel tunnel Na_0.61Ti_0.48Mn_0.52O₂ cathode material for sodium-ion batteries†

Shaohua Guo,^ab Haijun Yu,*^a Dequan Liu,^c Wei Tian,^c Xizheng Liu,^ab Nobuko Hanada,^b Masayoshi Ishida^b and Haoshen Zhou*^abd

Author affiliations

* Corresponding authors

^a Energy Technology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Japan
E-mail: hs.zhou@aist.go.jp, haijun-yu@aist.go.jp
Fax: +81-29-861-3489
Tel: +81-29-861-5795

^b Graduate School of System and Information Engineering, University of Tsukuba, Tennoudai 1-1-1, Tsukuba, Japan

^c International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), Namiki 1-1, Tsukuba, Ibaraki 305-0044, Japan

^d National Laboratory of Solid State Microstructures & Department of Energy Science and Engineering, Nanjing University, Nanjing 210093, China

Abstract

A novel tunnel Na_0.61Ti_0.48Mn_0.52O₂ material is explored as a cathode for sodium-ion batteries for the first time. It can deliver a reversible discharge capacity of 86 mA h g⁻¹ with an average voltage of 2.9 V at 0.2 C rate in a sodium half cell, exhibiting good rate capability and capacity retention at a cut-off voltage of 1.5–4 V. These results indicate that tunnel Na_0.61Ti_0.48Mn_0.52O₂ has a great potential application in large scale energy storage.

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Article information

DOI: https://doi.org/10.1039/C4CC02362E
Article type: Communication
Submitted: 31 Mar 2014
Accepted: 28 May 2014
First published: 28 May 2014

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Chem. Commun., 2014,50, 7998-8001

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A novel tunnel Na_0.61Ti_0.48Mn_0.52O₂ cathode material for sodium-ion batteries

S. Guo, H. Yu, D. Liu, W. Tian, X. Liu, N. Hanada, M. Ishida and H. Zhou, Chem. Commun., 2014, 50, 7998 DOI: 10.1039/C4CC02362E

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Chemical Communications