
Covalent Organic Frameworks for Proton Exchange Membranes
Weiyu Zhang, Jie Li, Hong Li, Jiaqi Ji, Chenliang Gong, Sanyuan Ding
Prog Chem ›› 2024, Vol. 36 ›› Issue (1) : 48-66.
Covalent Organic Frameworks for Proton Exchange Membranes
Covalent organic frameworks (COFs), as a new type of organic porous materials, are highly crystalline and orderly porous, exhibiting functional modifiability, structural tunability and high stability. The regular pore channels of COFs can accommodate a variety of proton carriers and proton donors to build continuous and stable proton transport channels, playing a great role in both aqueous and anhydrous proton conduction. The application of COFs to the field of proton exchange membranes is of great research significance and value. In this paper, the characteristics of different types of proton exchange membranes, such as COFs solid electrolyte membranes, polymer matrix-COFs composite membranes, COFs self-supporting membranes and the modification methods to improve the performance of COFs proton exchange membranes are summarized from the aspects of COFs as proton exchange membranes for low temperature fuel cells and high temperature fuel cells, respectively. The relevant representative research of COFs in the field of fuel cell proton exchange membranes in recent years is reviewed. Finally, the application prospects of COFs proton exchange membranes are discussed and prospected.
1 Introduction
2 Covalent organic frameworks
2.1 Structure of COFs
2.2 Synthesis of COFs and COFs membrane
2.3 Application of COFs
3 COFs fuel cell proton exchange membrane
3.1 COFs low-temperature fuel cell proton exchange membranes
3.2 COFs high-temperature fuel cell proton exchange membranes
4 Conclusion and outlook
covalent organic frameworks / proton exchange membranes / proton conduction
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