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

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

Chem Commun (Camb). 2023 Jul 27;59(61):9384-9387. doi: 10.1039/d3cc00777d.

Authors

Lin Fu^{1

2}, Qingchen Wang^{1

2}, Yuhao Hu^{1

2}, Yongchao Qian¹, Weiwen Xin^{1

2}, Shengyang Zhou¹, Xiang-Yu Kong^{1

2

3}, Liping Wen^{1

2

3}

Affiliations

¹ 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. kongxiangyu@mail.ipc.ac.cn.
² School of Future Technology, University of Chinese Academy of Sciences, Beijing 100049, P. R. China.
³ Binzhou Institute of Technology, Binzhou 256600, P. R. China.

PMID: 37434494
DOI: 10.1039/d3cc00777d

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.