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Lah, Myoung Soo
Frontier Energy Storage Material Lab.
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Post-synthetic modifications in metal-organic frameworks for high proton conductivity

Author(s)
Sharma, AmitoshLee, SeonghwanLim, JaewoongLah, Myoung Soo
Issued Date
2023-11
DOI
10.1002/bkcs.12801
URI
https://scholarworks.unist.ac.kr/handle/201301/66419
Citation
BULLETIN OF THE KOREAN CHEMICAL SOCIETY
Abstract
A myriad of metal ions and organic linkers can be used to produce metal-organic frameworks (MOFs) with varied functionalities, porosities, and dimensionalities. Such diversity has garnered significant research interest, particularly in leveraging MOFs as proton conductors for fuel cells. One effective approach involves introducing guest molecules into MOF pores. These molecules serve either as proton carriers or as proton-conducting media through potential hydrogen bonding networks. This review offers an organized overview of key methodologies historically employed to achieve superprotonic conductivity in MOFs. The article systematically categorizes these tactics into three primary groups: guest molecule encapsulation, modulation at metal-coordination sites, and ligand functionalization. We succinctly discuss the roles of proton carriers, conducting media, and the overall MOF framework, emphasizing the significance of each strategy's application. In conclusion, we provide insights into the future development of MOFs as proton conductors, rooted in the categorization and conceptual understanding of these strategies.
Publisher
WILEY-V C H VERLAG GMBH
ISSN
0253-2964
Keyword (Author)
fuel cell (FC)metal-organic framework (MOF)post-synthetic modification (PSM)proton conductivityproton-exchange membrane (PEM)
Keyword
SUPERPROTONIC CONDUCTIVITYCOORDINATION POLYMERSHIGH-DENSITYMEMBRANEELECTROLYTEFUNCTIONALIZATIONTRANSPORTCHANNELSDESIGNFUELS

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