Issue 23, 2021
From the journal:

Chemical Communications

A high-stability biphasic layered cathode for sodium-ion batteries†

Yue Liang,ab   Hang Xu,a   Kezhu Jiang,a   Jingjing Bian,a   Shaohua Guo ORCID logo *ab  and  Haoshen Zhouac  

* Corresponding authors

a College of Engineering and Applied Sciences, and Jiangsu Key Laboratory of Artificial Functional Materials, National Laboratory of Solid State Microstructures, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China
E-mail: shguo@nju.edu.cn

b Shenzhen Research Institute of Nanjing University, Shenzhen 51800, China

c Energy Technology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8568, Japan

Abstract

A novel biphasic layered Na0.62Ni0.33Mn0.62Sb0.05O2 cathode is introduced which can be easily synthesized via a solid-state reaction method. Compared with its monophasic counterpart Na0.67Ni0.33Mn0.67O2, biphasic Na0.62Ni0.33Mn0.62Sb0.05O2 displays a smoother (dis)charge profile, superior rate capability along with splendid cycling performance. Structural and kinetic studies respectively demonstrate extremely small volume strain and rapid charge transfer during the electrochemical process.

Graphical abstract: A high-stability biphasic layered cathode for sodium-ion batteries

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Article information

DOI
https://doi.org/10.1039/D0CC08302J
Article type
Communication
Submitted
22 Dec 2020
Accepted
05 Feb 2021
First published
06 Feb 2021

Chem. Commun., 2021,57, 2891-2894

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A high-stability biphasic layered cathode for sodium-ion batteries

Y. Liang, H. Xu, K. Jiang, J. Bian, S. Guo and H. Zhou, Chem. Commun., 2021, 57, 2891 DOI: 10.1039/D0CC08302J

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