More Sustainable Chemical Activation Strategies for the Production of Porous Carbons

The preparation of porous carbons attracts a great deal of attention given the importance of these materials in many emerging applications, such as hydrogen storage, CO2 capture, and energy storage in supercapacitors and batteries. In particular, porous carbons produced by applying chemical activati...

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Vydáno v:ChemSusChem Ročník 14; číslo 1; s. 94 - 117
Hlavní autoři: Sevilla, Marta, Díez, Noel, Fuertes, Antonio B.
Médium: Journal Article
Jazyk:angličtina
Vydáno: Germany Wiley Subscription Services, Inc 07.01.2021
Témata:
Carbon dioxide
Carbon sequestration
chemical activation
Energy storage
Hydrogen storage
mesoporous materials
microporous materials
Organic salts
porous carbons
Reagents
Storage batteries
sustainable chemistry
sustainable chemistry
microporous materials
porous carbons
mesoporous materials
chemical activation
ISSN:1864-5631, 1864-564X, 1864-564X
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Shrnutí:The preparation of porous carbons attracts a great deal of attention given the importance of these materials in many emerging applications, such as hydrogen storage, CO2 capture, and energy storage in supercapacitors and batteries. In particular, porous carbons produced by applying chemical activation methods are preferred because of the high pore development achieved. However, given the environmental risks associated with conventional activating agents such as KOH, the development of greener chemical activation methodologies is an important objective. This Review summarizes recent progress in the production of porous carbons by using more sustainable strategies based on chemical activation. The use of less‐corrosive chemical agents as an alternative to KOH is thoroughly reviewed. In addition, progress achieved to date by using emerging self‐activation methodologies applied to organic salts and biomass products is also discussed. The development of porous carbons by greener chemical activation methodologies is an important challenge. This Review concerns recent progress in the production of porous carbons by more sustainable techniques, focusing on alternatives to KOH by using mild chemical agents, as well as the self‐activation of organic salts and biomass products.
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ISSN:1864-5631
1864-564X
1864-564X
DOI:10.1002/cssc.202001838