Novel titanium-based O3-type NaTi0.5Ni0.5O2 as a cathode material for sodium ion batteries

Haijun Yu; Shaohua Guo; Yanbei Zhu; Masayoshi Ishida; Haoshen Zhou

doi:10.1039/C3CC47351A

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Novel titanium-based O3-type NaTi_0.5Ni_0.5O₂ as a cathode material for sodium ion batteries†

Haijun Yu,‡^a Shaohua Guo,‡^ab Yanbei Zhu,^c Masayoshi Ishida^b and Haoshen Zhou*^ad

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* Corresponding authors

^a Energy Technology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Umezono 1-1-1, Tsukuba, Japan
E-mail: hs.zhou@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 National Metrology Institute of Japan, National Institute of Advanced Industrial Science and Technology, Umezono 1-1-1, Tsukuba, Japan

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

Abstract

O3-type NaTi_0.5Ni_0.5O₂ is explored as a titanium-based cathode material for sodium ion batteries. It delivers a reversible capacity of 121 mA h g⁻¹ at 0.2 C with smooth charge–discharge curves, and exhibits excellent cycling stability and good rate capability, indicating its superiority as a promising candidate electrode material for sodium ion batteries.

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Article information

DOI: https://doi.org/10.1039/C3CC47351A
Article type: Communication
Submitted: 26 Sep 2013
Accepted: 17 Oct 2013
First published: 18 Oct 2013

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Chem. Commun., 2014,50, 457-459

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Novel titanium-based O3-type NaTi_0.5Ni_0.5O₂ as a cathode material for sodium ion batteries

H. Yu, S. Guo, Y. Zhu, M. Ishida and H. Zhou, Chem. Commun., 2014, 50, 457 DOI: 10.1039/C3CC47351A

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