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Recent advances in nanoporous graphene membrane for gas separation and water purification

Science Bulletin 2015年第21期60卷 1807-1823页

作者： Chengzhen Sun Boyao Wen Bofeng Bai State Key Laboratory of Multiphase Flow in Power Engineering Xi’an Jiaotong University

graphene is a one-atom-thick sheet of graphite comprising sp2-hybridized carbon atoms arranged in the hexagonal honeycomb lattices. By removing the honeycomb lattices and forming nanopores with specific geometry and size, nanoporous graphene has been demonstrated as a very high-efficiency separation membrane, due to the ultrafast molecular permeation rate for its one-atom thickness. This review focuses on the recent advances in nanoporous graphene membrane for the applications of gas separation and water purification, with a major emphasis on the molecular permeation mechanisms and the advanced fabrication methods of this state-of-the-art membrane. We highlight the advanced theoretical and experimental works and discuss the gas/water molecular transport mechanisms through the graphene nanopores accompanied with theoretical models. In addition, we summarize some representative membrane fabrication methods, covering the graphene transfer to porous substrates and the pore generation. We anticipate that this review can provide a platform for understanding the current challenges to make the conceptual membrane a reality and attracting more and more attentions from scientists and engineers.

关键词： nanoporous graphene Gas separationWater purification Molecular permeationmechanism Membrane fabrication

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Template-directed fabrication of 3D graphene-based composite and their electrochemical energy-related applications

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Science Bulletin 2016年第6期61卷 443-450页

作者： Hua-Jun Qiu Li Liu Yu Wang The State Key Laboratory of Mechanical Transmissions School of Chemistry and Chemical Engineering Chongqing University

graphene shows great potentials in electrochemical energy-related *** enhance its properties and corresponding electrochemical performance,recently,three-dimensional(3D)graphene-based materials especially monolithic porous graphene with encapsulated functional nanomaterials have arisen much research interest for electrochemical catalysis,lithium ion batteries(LIBs),lithium–sulfur batteries,supercapacitors,*** the enhanced structure properties such as interconnected graphene network,high volume-specific surface area and electronic conductivity,3D monolithic graphene is more suitable for the fabrication of composite electrode materials in real *** this article,we discuss recent development in fabricating monolithic 3D graphene and their composites using template-directed methods and their applications in electrochemical energy-related areas.

关键词： nanoporous graphene Templatedirected synthesis Composite Electrocatalysis Lithium ion batteries

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Recent progress on three-dimensional nanoarchitecture anode materials for lithium/sodium storage

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Journal of Materials Science & Technology 2022年第24期119卷 167-181页

作者： Zhijia Zhang Yuefang Chen Shihao Sun Kai Sun Heyi Sun Hongwei Li Yuhe Yang Mengmeng Zhang Weijie Li Shulei Chou Huakun Liu Yong Jiang State Key Laboratory of Separation Membrane and Membrane Processes School of Materials Science and EngineeringTiangong UniversityTianjin 300387China Institute for Superconducting and Electronic Materials University of WollongongWollongongNSW 2522Australia Institute for Carbon Neutralization College of Chemistry and Materials EngineeringWenzhou UniversityWenzhou 325035China

High-performance batteries with high density and low cost are needed for the development of largescale energy storage fields such as electric vehicles and renewable energy *** anode with threedimensional(3D)nanoarchitecture is one of the most attractive candidates for high-performance lithiumion batteries(LIBs)and sodium-ion batteries(SIBs)due to its efficient electron/ion transport and high active material mass *** some important breakthroughs have been made in 3D nanoarchitecture anode materials,more improvements are still needed for high cycling stability and high energy ***,the latest research progress of 3D nanoarchitecture anode materials for LIBs and SIBs is reviewed,including nanoporous metal,nanoporous graphene,and their derived ***,the storage properties of Li/Na ions,the kinetics of ion/electron transport,and specific chemical interactions are discussed based on the structure *** addition,the research strategies and structural characteristics of 3D nanoarchitecture anode materials are summarized,providing a reference for the further development of LIBs and ***,the future research directions of LIBs and SIBs have also prospected.

关键词： Lithium-ion batteries Sodium-ion batteries Anode material nanoporous metal nanoporous graphene Metal foam graphene foam Carbon foam

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