A stable tunnel-type NaGe3/2Mn1/2O4 anode for Na-ion batteries

Ying Cui; Ruie Zhang; Xiaofeng Lei; Xizheng Liu

doi:10.1039/C9RA09020G

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A stable tunnel-type NaGe_3/2Mn_1/2O₄ anode for Na-ion batteries†

Ying Cui,

^a Ruie Zhang,^a Xiaofeng Lei^a and Xizheng Liu

*^a

Author affiliations

* Corresponding authors

^a Tianjin Key Laboratory of Advanced Functional Porous Materials, Institute for New Energy Materials and Low-Carbon Technologies, School of Material Science and Engineering, Tianjin University of Technology, Tianjin 300384, P. R. China

Abstract

Tunnel-type NaGe_3/2Mn_1/2O₄ was fabricated for anode of sodium ion batteries, delivering a discharge capacity of 200.32 mAh g⁻¹ and an ultra-low potential platform compared with that of pure Na₄Ge₉O₂₀ (NGO). The results of X-ray photoelectron spectroscopy (XPS) demonstrate that Ge redox occurs, and partial substitution of Mn effectively improves the Na-storage properties compared to those of NGO.

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Article information

DOI: https://doi.org/10.1039/C9RA09020G
Article type: Paper
Submitted: 01 Nov 2019
Accepted: 20 Dec 2019
First published: 08 Jan 2020
This article is Open Access

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RSC Adv., 2020,10, 1426-1429

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A stable tunnel-type NaGe_3/2Mn_1/2O₄ anode for Na-ion batteries

Y. Cui, R. Zhang, X. Lei and X. Liu, RSC Adv., 2020, 10, 1426 DOI: 10.1039/C9RA09020G

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