What is it about?
The aerogel was investigated by elemental analysis, IR, EPR, TGA, voltammetry and XPS. The reduced aerogel was tested in the reaction of electro-reduction of oxygen. An appreciable catalytic effect is observed for the sample under study.
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Why is it important?
Graphene aerogels with aramid honeycombs are known for their application in the field of insulation . The researchers of this study prepared compressible and reusable absorbents from graphene aerogel. Along with this, a report concerning nitrogen-doped aerogels for water purification has also been published. Furthermore, hydrophobic GAs have recently been reported for filtration.
Perspectives
Graphene aerogel-based materials can be utilised in isolation, in combination with ionic liquids/polymer/metal oxides, or in combination with other known materials (or both). Furthermore, they can be processed in the film form. Last but not the least, apart from the oxygen reduction activity, graphene aerogels can be used in areas such as supercapacitors, Li-batteries, hydrogen, thermal energy storage, fuel cells, and solar cells, in addition to the manufacture of lighter goods. Hydrophobic insulation and absorption of liquids are among the other possible areas of application for such a versatile and fascinating material.
Evgeny Kabachkov
Institute of the Problems of Chemical Physics Russian Academy of Sciences
Read the Original
This page is a summary of: Properties of a granulated nitrogen-doped graphene oxide aerogel, Journal of Non-Crystalline Solids, October 2018, Elsevier,
DOI: 10.1016/j.jnoncrysol.2018.06.035.
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