Boosting fast and stable sodium-ion storage in TiO2 by amorphization engineering and superstructure design

Xuanyu Lyu; Ziyue Zheng; Jiaoying Xie; Jing Yang; Dong Yang; Yajun Wang; Tongtao Li; Angang Dong

doi:10.1039/D5CC01843A

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Boosting fast and stable sodium-ion storage in TiO₂ by amorphization engineering and superstructure design†

Xuanyu Lyu,^a Ziyue Zheng,^b Jiaoying Xie,^a Jing Yang,^b Dong Yang,

^a Yajun Wang,*^c Tongtao Li*^b and Angang Dong

*^b

Author affiliations

* Corresponding authors

^a State Key Laboratory of Molecular Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai 200433, China

^b State Key Laboratory of Porous Materials for Separation and Conversion and Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, and iChEM, Fudan University, Shanghai 200433, China
E-mail: ttli@fudan.edu.cn, agdong@fudan.edu.cn

^c College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325027, China
E-mail: yajunwang@wzu.edu.cn

Abstract

We introduce a hierarchical lamellar superstructure colloidally co-assembled from MXene-derived amorphous TiO₂ nanosheets (am-TiO₂ NSs) and carbon nanotubes (CNTs) as an anode for sodium-ion batteries (SIBs). Leveraging the synergistic effect of active amorphous NSs and an open-accessible architecture, the am-TiO₂-CNT electrode demonstrates exceptional rate capabilities and cycling stabilities in SIBs.

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Article information

DOI: https://doi.org/10.1039/D5CC01843A
Article type: Communication
Submitted: 01 Apr 2025
Accepted: 10 May 2025
First published: 12 May 2025

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Chem. Commun., 2025, Advance Article

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Boosting fast and stable sodium-ion storage in TiO₂ by amorphization engineering and superstructure design

X. Lyu, Z. Zheng, J. Xie, J. Yang, D. Yang, Y. Wang, T. Li and A. Dong, Chem. Commun., 2025, Advance Article , DOI: 10.1039/D5CC01843A

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