Construction of a hierarchical membrane with angstrom-scale ion channels for enhanced Li+/Mg2+ separation

Lin Fu; Qingchen Wang; Yuhao Hu; Yongchao Qian; Weiwen Xin; Shengyang Zhou; Xiang-Yu Kong; Liping Wen

doi:10.1039/D3CC00777D

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Construction of a hierarchical membrane with angstrom-scale ion channels for enhanced Li⁺/Mg²⁺ separation†

Lin Fu,‡^ab Qingchen Wang,‡^ab Yuhao Hu,^ab Yongchao Qian,^a Weiwen Xin,^ab Shengyang Zhou,^a Xiang-Yu Kong

*^abc and Liping Wen

*^abc

Author affiliations

* Corresponding authors

^a CAS Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
E-mail: kongxiangyu@mail.ipc.ac.cn, wen@mail.ipc.ac.cn

^b School of Future Technology, University of Chinese Academy of Sciences, Beijing 100049, P. R. China

^c Binzhou Institute of Technology, Binzhou 256600, P. R. China

Abstract

A biomimetic hierarchical membrane consisting of ZIF-8 and MXene with controllable morphology could be fabricated by the facile electrochemical deposition method, well-realizing Li⁺/Mg²⁺ sieving. This membrane could work stably in real brine with perm-selectivity of Li⁺/Mg²⁺ up to 47.4.

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Article information

DOI: https://doi.org/10.1039/D3CC00777D
Article type: Communication
Submitted: 18 Feb 2023
Accepted: 04 Jul 2023
First published: 08 Jul 2023

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Chem. Commun., 2023,59, 9384-9387

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Construction of a hierarchical membrane with angstrom-scale ion channels for enhanced Li⁺/Mg²⁺ separation

L. Fu, Q. Wang, Y. Hu, Y. Qian, W. Xin, S. Zhou, X. Kong and L. Wen, Chem. Commun., 2023, 59, 9384 DOI: 10.1039/D3CC00777D

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Chemical Communications