Hybrid MOF-COF structures for advanced gas separation membranes: a short review of synthesis, performance analysis and application potential

IF 4.9 3区工程技术 Q1 ENGINEERING, CHEMICAL

Reviews in Chemical Engineering Pub Date : 2025-03-24 DOI:10.1515/revce-2024-0088

Maciej Szwast, Daniel Polak

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引用次数: 0

Abstract

This review examines the application potential of hybrid MOF-COF structures in fabricating advanced membranes for gas separation. MOF-COF membranes demonstrate exceptional gas separation performance, surpassing the Robeson upper bound for several gas mixtures, including H2/CH4, CO2/CH4, CO2/N2 and O2/N2. Key findings indicate that thin-film MOF-COF membranes exhibit remarkable selectivity and permeability, with some hybrids achieving permeance values exceeding 1,000,000 GPU and ideal separation factors over 30. Additionally, mixed matrix membranes (MMMs) containing MOF-COF hybrids show potential for combining mechanical robustness with high separation efficiency, despite challenges in achieving uniform dispersion. Future research should prioritize scaling up production methods, enhancing the mechanical stability of thin films, and improving polymer-hybrid compatibility in MMMs. Experimental validation of theoretical predictions is essential to address discrepancies and unlock the full potential of these materials. MOF-COF hybrids are poised to revolutionize gas separation technologies and offer promising directions for broader applications, including catalysis and energy storage.

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用于先进气体分离膜的MOF-COF混合结构：合成、性能分析及应用潜力综述

本文综述了MOF-COF混合结构在制备先进气体分离膜方面的应用潜力。MOF-COF膜具有优异的气体分离性能，在H2/CH4、CO2/CH4、CO2/N2和O2/N2等多种气体混合物中均超过Robeson上界。关键研究结果表明，薄膜MOF-COF膜具有显著的选择性和渗透性，某些杂化膜的渗透率值超过1,000,000 GPU，理想分离因子超过30。此外，尽管在实现均匀分散方面存在挑战，但含有MOF-COF杂化物的混合基质膜（MMMs）在机械稳健性和高分离效率方面表现出了潜力。未来的研究应优先考虑扩大生产方法，提高薄膜的机械稳定性，以及改善聚合物-杂化在mm中的相容性。理论预测的实验验证对于解决差异和释放这些材料的全部潜力至关重要。MOF-COF混合材料有望彻底改变气体分离技术，并为包括催化和储能在内的更广泛应用提供了有前途的方向。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Reviews in Chemical Engineering 工程技术-工程：化工

CiteScore

12.30

自引率

0.00%

发文量

审稿时长

6 months

期刊介绍： Reviews in Chemical Engineering publishes authoritative review articles on all aspects of the broad field of chemical engineering and applied chemistry. Its aim is to develop new insights and understanding and to promote interest and research activity in chemical engineering, as well as the application of new developments in these areas. The bimonthly journal publishes peer-reviewed articles by leading chemical engineers, applied scientists and mathematicians. The broad interest today in solutions through chemistry to some of the world’s most challenging problems ensures that Reviews in Chemical Engineering will play a significant role in the growth of the field as a whole.