Metal–Organic Frameworks and Metal–Organic Gels for Oxygen Electrocatalysis: Structural and Compositional Considerations

Increasing demand for sustainable and clean energy is calling for the next‐generation energy conversion and storage technologies such as fuel cells, water electrolyzers, CO2/N2 reduction electrolyzers, metal–air batteries, etc. All these electrochemical processes involve oxygen electrocatalysis. Boo...

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Vydáno v:Advanced materials (Weinheim) Ročník 33; číslo 25; s. e2008023 - n/a
Hlavní autoři: Wang, Hao, Chen, Biao‐Hua, Liu, Di‐Jia
Médium: Journal Article
Jazyk:angličtina
Vydáno: Germany Wiley Subscription Services, Inc 01.06.2021
Wiley Blackwell (John Wiley & Sons)
Témata:
Clean energy
Electrocatalysis
Electrocatalysts
Electrolytic cells
Energy conversion
Energy storage
Fuel cells
Gels
Metal-organic frameworks
metal–organic gels
Oxygen
oxygen evolution reaction
oxygen reduction reaction
Pyrolysis
oxygen evolution reaction
metal-organic gels
oxygen reduction reaction
electrocatalysis
metal-organic frameworks
ISSN:0935-9648, 1521-4095, 1521-4095
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Shrnutí:Increasing demand for sustainable and clean energy is calling for the next‐generation energy conversion and storage technologies such as fuel cells, water electrolyzers, CO2/N2 reduction electrolyzers, metal–air batteries, etc. All these electrochemical processes involve oxygen electrocatalysis. Boosting the intrinsic activity and the active‐site density through rational design of metal–organic frameworks (MOFs) and metal–organic gels (MOGs) as precursors represents a new approach toward improving oxygen electrocatalysis efficiency. MOFs/MOGs afford a broad selection of combinations between metal nodes and organic linkers and are known to produce electrocatalysts with high surface areas, variable porosity, and excellent activity after pyrolysis. Some recent studies on MOFs/MOGs for oxygen electrocatalysis and their new perspectives in synthesis, characterization, and performance are discussed. New insights on the structural and compositional design in MOF/MOG‐derived oxygen electrocatalysts are summarized. Critical challenges and future research directions are also outlined. Boosting the intrinsic activity and the active‐site density through rational design of metal–organic frameworks (MOFs) and metal–organic gels (MOGs) as precursors represents a new approach of improving oxygen electrocatalysis efficiency. Several key compositional and structural considerations for the MOF/MOG design and new perspectives between synthesis, characterization, and performance are comprehensively discussed.
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USDOE
DEAC02‐06CH11357
ISSN:0935-9648
1521-4095
1521-4095
DOI:10.1002/adma.202008023