Recent advances on metal-organic frameworks (MOFs) and their applications in energy conversion devices: Comprehensive review

Mohammad Ali Abdelkareem, Qaisar Abbas, Enas Taha Sayed, N. Shehata, J.B.M. Parambath, Abdul Hai Alami and A.G. Olabi

Energy, 2024, vol. 299, issue C

Abstract: Metal-organic frameworks (MOFs) have enticed huge interest over the years in a wide range of applications, including electrochemical energy storage/conversion devices, due to their controllable porous structure, tuneable composition, excellent thermal/chemical stabilities, and facile synthesis. However, conductivity enhancement and synthesis of redox-active MOFs are two key challenges hindering their large-scale applications in electrochemistry. Redox-active MOFs can be prepared using redox-active ligands and metal ions, which in turn leads to an additional benefit of π-stacking interactions. Conductivity improvements through favourable overlap of energy and orientation of both metal and ligand, π-π stacking, and the incorporation of a guest molecule to induce free charge carriers and reduce band gaps are key strategies. This review provides a detailed assessment of various synthesis techniques followed by post-production treatments to improve MOF's conductivity. Advancements in computational methods & machine learning for MOFs as well as the econmics of MOF's production are introduced. The use of MOFs and MOF-based nanomaterials in batteries, supercapacitors, and fuel cells, as well as the progress in using MOF and MOF-based catalysts for CO2 reduction and as a photocatalyst for hydrogen production, have been scrutinized by highlighting their benefits and shortcomings. Finally, the challenges MOFs and MOF-based materials face and their prospects when adopted as active materials in energy storage/conversion devices, as well as CO2 reduction and green hydrogen production, have also been elaborated.

Keywords: Conductive MOFs; Supercapacitors; Batteries; Fuel cells; CO2 reduction; Green hydrogen (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:299:y:2024:i:c:s0360544224009009

DOI: 10.1016/j.energy.2024.131127

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