Self-assembled (NH4)2V7O16 hierarchical structures with improved electrochemical performance for aqueous Li-ion batteries

Yining Ma; Rui Shu; Tongxiang Xu; Jing Li; Dandan Zhu; Xiaodong Jin; Mingchen Wu; Xun Cao

doi:10.1039/D1NJ04574A

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Self-assembled (NH₄)₂V₇O₁₆ hierarchical structures with improved electrochemical performance for aqueous Li-ion batteries†

Yining Ma,

*^a Rui Shu,^a Tongxiang Xu,^a Jing Li,^a Dandan Zhu,^b Xiaodong Jin,

^a Mingchen Wu^a and Xun Cao*^b

Author affiliations

* Corresponding authors

^a Department of Forensic Science, Jiangsu Police Institute, Nanjing 210031, China
E-mail: mayining@jspi.edu.cn

^b State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
E-mail: cxun@mail.sic.ac.cn

Abstract

Herein, (NH₄)₂V₇O₁₆ hierarchical structures formed by the self-assembly of nanoflakes were successfully synthesized by a one-step rotating hydrothermal method. When utilized as anodic materials for aqueous Li-ion batteries, the obtained (NH₄)₂V₇O₁₆ exhibited good rate capability and excellent cyclic stability. Moreover, the structural evolution of the ammonium vanadium bronze during cycling was also investigated by ex situ XRD.

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Article information

DOI: https://doi.org/10.1039/D1NJ04574A
Article type: Communication
Submitted: 28 Sep 2021
Accepted: 18 Oct 2021
First published: 21 Oct 2021

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New J. Chem., 2021,45, 20099-20102

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Self-assembled (NH₄)₂V₇O₁₆ hierarchical structures with improved electrochemical performance for aqueous Li-ion batteries

Y. Ma, R. Shu, T. Xu, J. Li, D. Zhu, X. Jin, M. Wu and X. Cao, New J. Chem., 2021, 45, 20099 DOI: 10.1039/D1NJ04574A

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