Activating zinc-ion storage in MXene through Mn4+ loading on surface terminations

Boya Zhang; Yiqun Du; Rongkai Kang; Wei Zhou; Han Wang; Jiaqi Wan; Jianxin Zhang

doi:10.1039/D2NJ05847B

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Activating zinc-ion storage in MXene through Mn⁴⁺ loading on surface terminations†

Boya Zhang,^a Yiqun Du,^b Rongkai Kang,^b Wei Zhou,^b Han Wang,^b Jiaqi Wan

*^a and Jianxin Zhang

*^b

Author affiliations

* Corresponding authors

^a College of Materials Science & Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
E-mail: wjiaq@qust.edu.cn

^b Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), School of Materials Science and Engineering, Shandong University, Jinan 250061, China
E-mail: jianxin@sdu.edu.cn

Abstract

The Ti₃C₂T_x MXene with surface functional groups complexing Mn⁴⁺ (Mn–Ti₃C₂T_x) was prepared for the cathode of aqueous zinc batteries. The electrode reaction is confirmed as the Zn²⁺/H⁺ co-insertion compensated by the Mn⁴⁺/Mn²⁺ redox. The Mn⁴⁺-loading modification boosts the Zn²⁺ storage due to the enhanced Zn²⁺ adsorption possibility.

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Article information

DOI: https://doi.org/10.1039/D2NJ05847B
Article type: Communication
Submitted: 28 Nov 2022
Accepted: 03 Jan 2023
First published: 03 Jan 2023

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New J. Chem., 2023,47, 1610-1614

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Activating zinc-ion storage in MXene through Mn⁴⁺ loading on surface terminations

B. Zhang, Y. Du, R. Kang, W. Zhou, H. Wang, J. Wan and J. Zhang, New J. Chem., 2023, 47, 1610 DOI: 10.1039/D2NJ05847B

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