Fabrication, Structure, Performance, and Application of Graphene-Based Composite Aerogel

Abstract

Graphene-based composite aerogel (GCA) refers to a solid porous substance formed by graphene or its derivatives, graphene oxide (GO) and reduced graphene oxide (rGO), with inorganic materials and polymers. Because GCA has super-high adsorption, separation, electrical properties, and sensitivity, it has great potential for application in super-strong adsorption and separation materials, long-life fast-charging batteries, and flexible sensing materials. GCA has become a research hotspot, and many research papers and achievements have emerged in recent years. Therefore, the fabrication, structure, performance, and application prospects of GCA are summarized and discussed in this review. Meanwhile, the existing problems and development trends of GCA are also introduced so that more will know about it and be interested in researching it.

Customizable Resilient Multifunctional Graphene Aerogels via Blend-spinning assisted Freeze Casting

“…Graphene aerogels, known for their high porosity, low density, large specific surface area, and excellent conductivity, are promising for advanced applications such as electrochemical energy storage, catalysis, sensors, electromagnetic devices, etc. − To meet the requirement for various applications, functional particle additives, such as magnetic particles (Fe 2 O 3 , Co, Ni), − metal oxides (ZnO, SiO 2 , TiO 2 , etc. ), and ceramic particles are generally incorporated into the graphene aerogels to enhance their functional properties. However, graphene aerogels are inherently weak mechanically due to the relatively unreliable π–π interactions and van der Waals forces between the graphene sheets .…”

“…1−3 To meet the requirement for various applications, functional particle additives, such as magnetic particles (Fe 2 O 3 , Co, Ni), 4−6 metal oxides (ZnO, SiO 2 , TiO 2 , etc. ), 7 and ceramic particles 8 are generally incorporated into the graphene aerogels to enhance their functional properties. However, graphene aerogels are inherently weak mechanically due to the relatively unreliable π−π interactions and van der Waals forces between the graphene sheets.…”

Efficient Removal of Siloxane from Biogas by Using β-Cyclodextrin-Modified Reduced Graphene Oxide Aerogels

“…Reduced graphene oxide aerogel (rGOA) can be produced by a reduction in graphene oxide (GO), which exhibits higher physicochemical performance compared with GO [ 20 ]. rGOA has a three-dimensional (3D) network structure, strong hydrophobicity, and weak polarity because of the low abundance of oxygen-containing functional groups on the graphene sheets [ 21 ].…”

“…rGOA has a three-dimensional (3D) network structure, strong hydrophobicity, and weak polarity because of the low abundance of oxygen-containing functional groups on the graphene sheets [ 21 ]. Due to its surface physical properties, rGOAs are mainly used in adsorption, catalysis, energy storage, and other fields [ 20 , 22 , 23 ]. At present, rGOA is frequently prepared through a direct reduction in GO in a hydrothermal environment.…”

Special Issue: Advanced Nanocomposite Materials Based on Graphene Oxide/Reduced Graphene Oxide: Potential Applications and Perspectives

“…Wei et al [13] studied graphene-based composite aerogels (GCAs), which are a solid porous substance formed by graphene or its derivatives, graphene oxide (GO) and reduced graphene oxide (rGO), with inorganic materials and polymers. This review demonstrates the super-high adsorption, separation, electrical properties, and sensitivity of GCA, which could have great potential for applications in super-strong adsorption and separation materials, long-life fast-charging batteries, and flexible sensing materials [13].…”