Because of features,such as adjustable structures,high porosity,and high crystallinity,metal-organic frameworks(MOFs)deservedly have received considerable attention.Nevertheless,there is still room for improvements in...Because of features,such as adjustable structures,high porosity,and high crystallinity,metal-organic frameworks(MOFs)deservedly have received considerable attention.Nevertheless,there is still room for improvements in the electrical conductivity and chemical stability of some MOFs,because of which they cannot be utilized as electrode materials.Fortunately,MOF derivatives have received widespread attention in recent years,especially phosphide materials,which are widely used in practical applications because of their outstanding conductivity,excellent specific surface area,and standout charge mobility.In this review,the latest developments of MOF-derived phosphides in electrocatalysis related to energy,including the excellent performance in terms of electrochemical energy storage and ingenious strategies,and diversified synthetic approaches are emphasized and summarized.Additionally,the arduous task and feasible proposals of MOF-derived phosphides are also discussed.展开更多
Lithium-sulfur batteries(LSBs)are considered promising new energy storage systems given their outstanding theoretical energy densities.Nevertheless,issues such as low electrical conductivity and severe volume expansio...Lithium-sulfur batteries(LSBs)are considered promising new energy storage systems given their outstanding theoretical energy densities.Nevertheless,issues such as low electrical conductivity and severe volume expansion,along with the formation of polysulfides during cycling,restrict their practical applications.To overcome these issues,it is necessary to find suitable and effective sulfur host materials.Metal-organic frameworks(MOFs),which are porous crystalline materials in the bourgeoning developmental stages,have demonstrated enormous potential in LSBs owing to their high porosity and tunable porous structure.Herein,we provide a comprehensive overview of MOF-based sulfur-loaded materials and discuss the charge/discharge mechanisms,strategies of enhancing battery performance,sulfur loading methods,and applications in LSBs.An outlook on future directions,prospects,and possible obstacles for the development of these materials is also provided.展开更多
Metal-organic frameworks(MOFs)have received considerable attention because of their advantages of adjustable structure,high porosity,and rich active centers.Meanwhile,perovskite has attracted research interest due to ...Metal-organic frameworks(MOFs)have received considerable attention because of their advantages of adjustable structure,high porosity,and rich active centers.Meanwhile,perovskite has attracted research interest due to its unique highemission quantum yield and excellent optoelectronic properties.However,the instability of perovskites under certain conditions hinders their more comprehensive development.A novel strategy encapsulates perovskite in the pores of MOFs to protect it from external interference and increase the active centers,thus improving the performance of perovskite@MOF composites.In this review,the latest research progress in the synthesis strategy,function,and application of perovskite@MOF composites is systematically summarized.Additionally,the challenges of further developing perovskite@MOF composites are discussed.Hopefully,this review provides creative inspiration to advance future studies on perovskite@MOF composites in this emerging field.展开更多
Micro/nano metal–organic frameworks(MOFs)have attracted significant attention in recent years due to their numerous unique properties,with many synthetic methods and strategies being reported for constructing MOFs wi...Micro/nano metal–organic frameworks(MOFs)have attracted significant attention in recent years due to their numerous unique properties,with many synthetic methods and strategies being reported for constructing MOFs with specific micro/nano structures.In addition,the design of micro/nano MOFs for energy storage and conversion applications and the study of the structure–activity relationship have also become research hotspots.Herein,a comprehensive overview of the recent progress on micro/nano MOFs is presented.We begin with a brief introduction to the various synthesis methods for controlling the morphology of micro/nano MOFs.Subsequently,the structure-dependent properties of micro/nano MOFs as electrode materials or catalysts in terms of batteries,supercapacitors,and catalysis are discussed.Finally,the remaining challenges and future perspectives in this field are presented.Overall,this review is expected to inspire the design of advanced micro/nano MOFs for efficient energy storage and conversion technologies.展开更多
The introduction of density functional theory(DFT)and electronic structure has brought computational methods into the field of materials science.In these theoretical calculations,quantum mechanics is predominantly use...The introduction of density functional theory(DFT)and electronic structure has brought computational methods into the field of materials science.In these theoretical calculations,quantum mechanics is predominantly used.Machine learning(ML)and high-throughput computing share some inherent similarities,as both can extract valuable information from massive datasets and possess parallelism and scalability.ML techniques simulate human thought processes,with algorithms that make decisions and have good scalability and strong generalization abilities.The combination of high-throughput and ML technologies leverages the advantages of high-throughput technology standardization and high capacity,addressing the challenges faced by ML at the front end.This complementary combination is expected to further enhance the efficiency of material screening and development.In data mining,using ML methods on various databases,the interrelationships between molecular structures and properties are discovered from large amounts of data.Mapping,current utilization of DFT,materials genomics,and high-throughput computing have generated a substantial amount of data.This review provides new insights into the development of electrochemistry.展开更多
Well-defined two-dimensional(2D)cobalt oxalate(CoC_(2)O_(4)·2H_(2)O)nanosheets exhibit more excellent property than common bulk cobalt oxalate due to high specific surface areas and high-efficient transport of io...Well-defined two-dimensional(2D)cobalt oxalate(CoC_(2)O_(4)·2H_(2)O)nanosheets exhibit more excellent property than common bulk cobalt oxalate due to high specific surface areas and high-efficient transport of ion and electron.However,the delicate control of the 2D morphology of CoC_(2)O_(4)·2H_(2)O during their synthesis remains challenging.Herein,2D CoC_(2)O_(4)·2H_(2)O nanosheets(M1),grown by straightforward chemical precipitation,can be tuned from three-dimensional(3D)structure during their synthesis with no templates or capping agents.This control is obtained by rationally changing the ratio of reactants with ethylene glycol as solvent.Moreover,Co_(3)O_(4)/CoC_(2)O_(4)composites(M1-250)have been fabricated through low-temperature thermal treatment of the M1 precursor in air,which possess porous surfaces with the 2D morphology maintained.Benefiting from the porous surfaces,more redox-active sites and better electrical conductivity of Co_(3)O_(4),the constructed M1-250//AC aqueous device manifest improved kinetics of the electrochemistry process with energy density of 27.9 Wh/kg at 550.7 W/kg and good cycling stability with sustaining 73.0 m Ah/g after 5000 cycles.展开更多
The invention of printing technologies has revolutionized the manner in which information is transmitted and reproduced.In the modern era,printing technologies,which are equipped with computerized control and de-sign ...The invention of printing technologies has revolutionized the manner in which information is transmitted and reproduced.In the modern era,printing technologies,which are equipped with computerized control and de-sign methods,have become considerably efficient and effective,facilitating A significant breakthrough in the manufacture of high-performance electrochemical energy storage systems.Through careful design and execu-tion,the components of energy storage devices,particularly electrodes,can be formulated into functional inks,enabling the use of divers materials and devices in high-performance energy storage applications.This review-focuses on three major printing technologies:inkjet printing,screen printing,and 3D printing,introducing the principles of each printing technology,the design and preparation of various electrode inks,and their applica-tions in supercapacitors.Finally,the challenges and scope for the future development of printing technologies forhigh-performance supercapacitors are presented.展开更多
基金This study was supported by the National Natural Science Foundation of China(NSFC-U1904215)Natural Science Foundation of Jiangsu Province(BK20200044)Program for Young Changjiang Scholars of the Ministry of Education,China(Q2018270).
文摘Because of features,such as adjustable structures,high porosity,and high crystallinity,metal-organic frameworks(MOFs)deservedly have received considerable attention.Nevertheless,there is still room for improvements in the electrical conductivity and chemical stability of some MOFs,because of which they cannot be utilized as electrode materials.Fortunately,MOF derivatives have received widespread attention in recent years,especially phosphide materials,which are widely used in practical applications because of their outstanding conductivity,excellent specific surface area,and standout charge mobility.In this review,the latest developments of MOF-derived phosphides in electrocatalysis related to energy,including the excellent performance in terms of electrochemical energy storage and ingenious strategies,and diversified synthetic approaches are emphasized and summarized.Additionally,the arduous task and feasible proposals of MOF-derived phosphides are also discussed.
基金supported by the National Natural Science Foundation of China (NSFC-U1904215, and 21671170)Changjiang scholars program of the Ministry of Education (Q2018270)+3 种基金the Top-notch Academic Programs Project of Jiangsu Higher Education Institutions (TAPP)Program for New Century Excel ent Talents of the University in China (NCET-13-0645)the Six Talent Plan (2015-XCL-030)Qinglan Project of Jiangsu and Program for Colleges Natural Science Research in Jiangsu Province (18KJB150036)
文摘Lithium-sulfur batteries(LSBs)are considered promising new energy storage systems given their outstanding theoretical energy densities.Nevertheless,issues such as low electrical conductivity and severe volume expansion,along with the formation of polysulfides during cycling,restrict their practical applications.To overcome these issues,it is necessary to find suitable and effective sulfur host materials.Metal-organic frameworks(MOFs),which are porous crystalline materials in the bourgeoning developmental stages,have demonstrated enormous potential in LSBs owing to their high porosity and tunable porous structure.Herein,we provide a comprehensive overview of MOF-based sulfur-loaded materials and discuss the charge/discharge mechanisms,strategies of enhancing battery performance,sulfur loading methods,and applications in LSBs.An outlook on future directions,prospects,and possible obstacles for the development of these materials is also provided.
基金supported by the National Natural Science Foundation of China(NSFC-U1904215)the Natural Science Foundation of Jiangsu Province(BK20200044)the Program for Young Changjiang Scholars of the Ministry of Education,China(Q2018270).
文摘Metal-organic frameworks(MOFs)have received considerable attention because of their advantages of adjustable structure,high porosity,and rich active centers.Meanwhile,perovskite has attracted research interest due to its unique highemission quantum yield and excellent optoelectronic properties.However,the instability of perovskites under certain conditions hinders their more comprehensive development.A novel strategy encapsulates perovskite in the pores of MOFs to protect it from external interference and increase the active centers,thus improving the performance of perovskite@MOF composites.In this review,the latest research progress in the synthesis strategy,function,and application of perovskite@MOF composites is systematically summarized.Additionally,the challenges of further developing perovskite@MOF composites are discussed.Hopefully,this review provides creative inspiration to advance future studies on perovskite@MOF composites in this emerging field.
基金This work was financially supported by the National Natural Science Foundation of China(NSFC-U1904215,22205196)the Natural Science Foundation of Jiangsu Province(BK20210790)the start-up fundings from Yangzhou University.
文摘Micro/nano metal–organic frameworks(MOFs)have attracted significant attention in recent years due to their numerous unique properties,with many synthetic methods and strategies being reported for constructing MOFs with specific micro/nano structures.In addition,the design of micro/nano MOFs for energy storage and conversion applications and the study of the structure–activity relationship have also become research hotspots.Herein,a comprehensive overview of the recent progress on micro/nano MOFs is presented.We begin with a brief introduction to the various synthesis methods for controlling the morphology of micro/nano MOFs.Subsequently,the structure-dependent properties of micro/nano MOFs as electrode materials or catalysts in terms of batteries,supercapacitors,and catalysis are discussed.Finally,the remaining challenges and future perspectives in this field are presented.Overall,this review is expected to inspire the design of advanced micro/nano MOFs for efficient energy storage and conversion technologies.
基金supported by the National Natural Science Foundation of China(U1904215)the Natural Science Foundation of Jiangsu Province(BK20200044)Changjiang Scholars Program of the Ministry of Education(Q2018270)。
基金supported by the National Natural Science Foundation of China(grant no.U1904215)the Natural Science Foundation of Jiangsu Province,China(grant no.BK20200044)the Changjiang Scholars Program of the Ministry of Education,China(grant no.Q2018270).
文摘The introduction of density functional theory(DFT)and electronic structure has brought computational methods into the field of materials science.In these theoretical calculations,quantum mechanics is predominantly used.Machine learning(ML)and high-throughput computing share some inherent similarities,as both can extract valuable information from massive datasets and possess parallelism and scalability.ML techniques simulate human thought processes,with algorithms that make decisions and have good scalability and strong generalization abilities.The combination of high-throughput and ML technologies leverages the advantages of high-throughput technology standardization and high capacity,addressing the challenges faced by ML at the front end.This complementary combination is expected to further enhance the efficiency of material screening and development.In data mining,using ML methods on various databases,the interrelationships between molecular structures and properties are discovered from large amounts of data.Mapping,current utilization of DFT,materials genomics,and high-throughput computing have generated a substantial amount of data.This review provides new insights into the development of electrochemistry.
基金supported by the National Natural Science Foundation of China(U1904215,21671170 and 21875207)the Top-notch Academic Programs Project of Jiangsu Higher Education Institutions(TAPP)+4 种基金the Program for New Century Excellent Talents of the University in China(NCET-13-0645)the Six Talent Plan(2015XCL-030)Qinglan Projectthe Priority Academic Program Development of Jiangsu Higher Education Institutionsthe support from the postdoctoral fund of Yangzhou University。
文摘二维金属有机骨架(2D MOF)具有较大的比表面积和较高的活性位点密度,是改善电催化性能的理想载体.通过简单的制备方法获得2D纳米结构受到了广泛的关注.本文提出了一种吡啶调节溶剂热合成方法,用于合成镍/钴双金属MOF纳米片.得到的MOF材料具有矩形2D形貌,厚度约20纳米.这些纳米片作为电催化剂在碱性条件下表现出析氧反应(OER)活性.其中,Ni0.5Co1.5-bpy(PyM)在1.0 mol L-1KOH溶液中、电流密度10 mA cm-2时过电位低至256 mV,Tafel斜率为81.8 mV dec-1,且具有良好的电化学稳定性.对催化反应后的电极材料研究表明,Ni0.5Co1.5-bpy(PyM)的高催化活性来源于原位形成的活性氢氧化物和羟基氧化物.该研究为2D MOF材料的可控合成及其与电催化性能构效关系的研究提供了理论基础.
基金the National Natural Science Foundation of China(No.U1904215)Natural Science Foundation of Jiangsu Province(No.BK20200044)Program for Young Changjiang Scholars of the Ministry of Education,China(No.Q2018270)。
文摘Well-defined two-dimensional(2D)cobalt oxalate(CoC_(2)O_(4)·2H_(2)O)nanosheets exhibit more excellent property than common bulk cobalt oxalate due to high specific surface areas and high-efficient transport of ion and electron.However,the delicate control of the 2D morphology of CoC_(2)O_(4)·2H_(2)O during their synthesis remains challenging.Herein,2D CoC_(2)O_(4)·2H_(2)O nanosheets(M1),grown by straightforward chemical precipitation,can be tuned from three-dimensional(3D)structure during their synthesis with no templates or capping agents.This control is obtained by rationally changing the ratio of reactants with ethylene glycol as solvent.Moreover,Co_(3)O_(4)/CoC_(2)O_(4)composites(M1-250)have been fabricated through low-temperature thermal treatment of the M1 precursor in air,which possess porous surfaces with the 2D morphology maintained.Benefiting from the porous surfaces,more redox-active sites and better electrical conductivity of Co_(3)O_(4),the constructed M1-250//AC aqueous device manifest improved kinetics of the electrochemistry process with energy density of 27.9 Wh/kg at 550.7 W/kg and good cycling stability with sustaining 73.0 m Ah/g after 5000 cycles.
基金This work was supported by the National Natural Science Foundation of China(U1904215)Natural Science Foundation of Jiangsu Province(BK20200044)and Changjiang scholars program of the Ministry of Ed-ucation(Q2018270).
文摘The invention of printing technologies has revolutionized the manner in which information is transmitted and reproduced.In the modern era,printing technologies,which are equipped with computerized control and de-sign methods,have become considerably efficient and effective,facilitating A significant breakthrough in the manufacture of high-performance electrochemical energy storage systems.Through careful design and execu-tion,the components of energy storage devices,particularly electrodes,can be formulated into functional inks,enabling the use of divers materials and devices in high-performance energy storage applications.This review-focuses on three major printing technologies:inkjet printing,screen printing,and 3D printing,introducing the principles of each printing technology,the design and preparation of various electrode inks,and their applica-tions in supercapacitors.Finally,the challenges and scope for the future development of printing technologies forhigh-performance supercapacitors are presented.