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Covalent organic frameworks (COFs) for electrochemical applications

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Abstract

Covalent organic frameworks are a class of extended crystalline organic materials that possess unique architectures with high surface areas and tuneable pore sizes. Since the first discovery of the topological frameworks in 2005, COFs have been applied as promising materials in diverse areas such as separation and purification, sensing or catalysis. Considering the need for renewable and clean energy production, many research efforts have recently focused on the application of porous materials for electrochemical energy storage and conversion. In this respect, considerable efforts have been devoted to the design and synthesis of COF-based materials for electrochemical applications, including electrodes and membranes for fuel cells, supercapacitors and batteries. This review article highlights the design principles and strategies for the synthesis of COFs with a special focus on their potential for electrochemical applications. Recently suggested hybrid COF materials or COFs with hierarchical porosity will be discussed, which can alleviate the most challenging drawback of COFs for these applications. Finally, the major challenges and future trends of COF materials in electrochemical applications are outlined.

Graphical abstract: Covalent organic frameworks (COFs) for electrochemical applications

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Article information


Submitted
17 Dec 2020
First published
21 Apr 2021

This article is Open Access

Chem. Soc. Rev., 2021, Advance Article
Article type
Review Article

Covalent organic frameworks (COFs) for electrochemical applications

X. Zhao, P. Pachfule and A. Thomas, Chem. Soc. Rev., 2021, Advance Article , DOI: 10.1039/D0CS01569E

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