Rationalizing Structural Hierarchy in the Design of Fuel Cell Electrode and Electrolyte Materials Derived from Metal-Organic Frameworks

Metal-organic frameworks (MOFs) are arguably a class of highly tuneable polymer-based materials with wide applicability. The arrangement of chemical components and the bonds they form through specific chemical bond associations are critical determining factors in their functionality. In particular,...

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Bibliographic Details
Published in:Applied sciences 2022-07, Vol.12 (13), p.6659
Main Authors: Kumar, Aniket, Purwar, Prashant, Sonkaria, Sanjiv, Khare, Varsha
Format: Article
Language:English
Subjects:
Acids
Chemical bonds
Clean energy
Efficiency
electrode
Electrodes
electrolyte
Electrolytes
Electrolytic cells
Energy
Energy conversion
Energy storage
Fuel cells
Fuel technology
Low temperature
Membranes
Metal-organic frameworks
metal-organic frameworks (MOFs)
Morphology
polymer electrolyte membrane
Polymers
Porous materials
proton conductivity
Proton exchange membrane fuel cells
Renewable resources
Structural hierarchy
Sustainable development
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Summary:Metal-organic frameworks (MOFs) are arguably a class of highly tuneable polymer-based materials with wide applicability. The arrangement of chemical components and the bonds they form through specific chemical bond associations are critical determining factors in their functionality. In particular, crystalline porous materials continue to inspire their development and advancement towards sustainable and renewable materials for clean energy conversion and storage. An important area of development is the application of MOFs in proton-exchange membrane fuel cells (PEMFCs) and are attractive for efficient low-temperature energy conversion. The practical implementation of fuel cells, however, is faced by performance challenges. To address some of the technical issues, a more critical consideration of key problems is now driving a conceptualised approach to advance the application of PEMFCs. Central to this idea is the emerging field MOF-based systems, which are currently being adopted and proving to be a more efficient and durable means of creating electrodes and electrolytes for proton-exchange membrane fuel cells. This review proposes to discuss some of the key advancements in the modification of PEMs and electrodes, which primarily use functionally important MOFs. Further, we propose to correlate MOF-based PEMFC design and the deeper correlation with performance by comparing proton conductivities and catalytic activities for selected works.
ISSN:2076-3417
2076-3417
DOI:10.3390/app12136659