Synthesis and electrochemical properties of Li1.3Nb0.3Cr0.4O2 as a high-capacity cathode material for rechargeable lithium batteries

Weiwen Wang; Jingke Meng; Xinyang Yue; Qinchao Wang; Xinxin Wang; Yongning Zhou; Xiaoqing Yang; Zulipiya Shadike; Zhengwen Fu

doi:10.1039/C8CC07660J

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Synthesis and electrochemical properties of Li_1.3Nb_0.3Cr_0.4O₂ as a high-capacity cathode material for rechargeable lithium batteries†

Weiwen Wang,^a Jingke Meng,^b Xinyang Yue,^b Qinchao Wang,^b Xinxin Wang,^b Yongning Zhou,

^b Xiaoqing Yang,^c Zulipiya Shadike*^c and Zhengwen Fu

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, P. R. China
E-mail: zwfu@fudan.edu.cn

^b Department of Materials Science, Fudan University, Shanghai 200433, P. R. China

^c Chemistry Division, Brookhaven National Laboratory, Upton, New York, USA
E-mail: zshadike@bnl.gov

Abstract

A cation-disordered Li-excess cathode material on the binary system xLi₃NbO₄–(1 − x)LiCrO₂ (x = 0.43) has been successfully prepared by mechanical milling, and delivers a high reversible capacity of ∼362 mA h g⁻¹, which originates from a highly reversible Cr³⁺/Cr⁶⁺ three-electron redox reaction with electrochemically inactive niobium ions.

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Article information

DOI: https://doi.org/10.1039/C8CC07660J
Article type: Communication
Submitted: 25 Sep 2018
Accepted: 08 Nov 2018
First published: 08 Nov 2018

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Chem. Commun., 2018,54, 13809-13812

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Synthesis and electrochemical properties of Li_1.3Nb_0.3Cr_0.4O₂ as a high-capacity cathode material for rechargeable lithium batteries

W. Wang, J. Meng, X. Yue, Q. Wang, X. Wang, Y. Zhou, X. Yang, Z. Shadike and Z. Fu, Chem. Commun., 2018, 54, 13809 DOI: 10.1039/C8CC07660J

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