For delivering the nanoscaled extraordinary characteristics in macroscopical bulk,it is essential to integrate two-dimensional nanosheets into threedimensional(3D)porous monoliths,alternatively called as 3D architectu...For delivering the nanoscaled extraordinary characteristics in macroscopical bulk,it is essential to integrate two-dimensional nanosheets into threedimensional(3D)porous monoliths,alternatively called as 3D architectures,3D networks,or aerogels.The intersupported structure of porous monolithic 3D graphene(3DG)can prevent aggregation or restacking of graphene individuals,and the interconnected sp^(2) network of 3DG not only can provide the highway for the transport of electron/phonon but also can present continual cavities/channels for mass transfer.This review summarizes the synthesis methodology of 3DG porous monoliths and highlights the application for electric double-layer capacitors.Present challenges and future prospects about the manufacture and application of 3DG are also discussed.展开更多
Graphene and boron nitride(BN)foams,as two types of three-dimensional(3D)nanomaterials consisting of two-dimensional(2D)nanosheets,can inherit a series of excellent properties of the 2D individuals.The internal 3D net...Graphene and boron nitride(BN)foams,as two types of three-dimensional(3D)nanomaterials consisting of two-dimensional(2D)nanosheets,can inherit a series of excellent properties of the 2D individuals.The internal 3D network can prevent aggregation or restacking between isolated graphene or BN nanosheets,and provide a highway for phonon/electron transports.Moreover,the interconnected porous structure creates a continual channel for the mass exchange of exotic species.The light-element graphene and BN foams can thus possess the characteristics of low density,high porosity,high surface area,and excellent mechanical,thermal,and electrical properties.Benefiting from these advantages,they show a wide range of applications.The usual synthesis methods and the recent functional applications of graphene and BN foams are reviewed herein,including their applications as supporting materials,elastic materials,acoustic shielding materials,thermal interface materials,electromagnetic shielding materials,adsorption materials,electrocatalysis and thermal catalyses materials,electrochemical energy storage,and thermal energy storage materials.Current challenges and outlooks are additionally discussed.展开更多
基金The authors acknowledge the support from National Natural Science Foundation of China(51972168,51672124,21603096)Program for Innovative Talents and Entrepreneur in Jiangsu,State Key Laboratory of Catalytic Materials and Reaction Engineering(RIPP,SINOPEC),and Technical Center of Nano Fabrication and Characterization of Nanjing University.
文摘For delivering the nanoscaled extraordinary characteristics in macroscopical bulk,it is essential to integrate two-dimensional nanosheets into threedimensional(3D)porous monoliths,alternatively called as 3D architectures,3D networks,or aerogels.The intersupported structure of porous monolithic 3D graphene(3DG)can prevent aggregation or restacking of graphene individuals,and the interconnected sp^(2) network of 3DG not only can provide the highway for the transport of electron/phonon but also can present continual cavities/channels for mass transfer.This review summarizes the synthesis methodology of 3DG porous monoliths and highlights the application for electric double-layer capacitors.Present challenges and future prospects about the manufacture and application of 3DG are also discussed.
基金National Natural Science Foundation of China,Grant/Award Numbers:52272039,51972168,51672124。
文摘Graphene and boron nitride(BN)foams,as two types of three-dimensional(3D)nanomaterials consisting of two-dimensional(2D)nanosheets,can inherit a series of excellent properties of the 2D individuals.The internal 3D network can prevent aggregation or restacking between isolated graphene or BN nanosheets,and provide a highway for phonon/electron transports.Moreover,the interconnected porous structure creates a continual channel for the mass exchange of exotic species.The light-element graphene and BN foams can thus possess the characteristics of low density,high porosity,high surface area,and excellent mechanical,thermal,and electrical properties.Benefiting from these advantages,they show a wide range of applications.The usual synthesis methods and the recent functional applications of graphene and BN foams are reviewed herein,including their applications as supporting materials,elastic materials,acoustic shielding materials,thermal interface materials,electromagnetic shielding materials,adsorption materials,electrocatalysis and thermal catalyses materials,electrochemical energy storage,and thermal energy storage materials.Current challenges and outlooks are additionally discussed.
