Three-dimensional(3 D)printing,also known as additive manufacturing,has the advantages of low cost,easy structure operation,rapid prototyping,and easy customization.In the past few years,materials with different struc...Three-dimensional(3 D)printing,also known as additive manufacturing,has the advantages of low cost,easy structure operation,rapid prototyping,and easy customization.In the past few years,materials with different structures,compositions,and properties have been widely studied as prospects in the field of 3 D printing.This paper reviews the synthesis methods and morphologies of one-,two-and threedimensional micro/nano materials and their composites,as well as their applications in electrochemistry,such as supercapacitors,batteries and electrocatalysis.The latest progress and breakthroughs in the synthesis and application of different structural materials in 3 D-printing materials,as well as the challenges and prospects of electrochemical applications,are discussed.展开更多
Metal–organic frameworks(MOFs) have a regular porous structure and high porosity,which make them ideal electrode materials for supercapacitors.However,their capacitance performance is greatly limited by their poor co...Metal–organic frameworks(MOFs) have a regular porous structure and high porosity,which make them ideal electrode materials for supercapacitors.However,their capacitance performance is greatly limited by their poor conductivity.In this study,a multi-component hierarchical structure was obtained by growing NiCoFeLDH on the surface of ZIF-67,which increased the electron transfer between the MOF particles and greatly improved the capacitance of ZIF-67.The formation mechanism of the multicomponent layered hollow structure indicated that the hydrolysis acidity of metal ions and the coordination ability with ligands were the key factors for forming nanosheets and hollow structures.By controlling the type and valence state of the doped metals and the reaction time,the morphology transformation of MOF composites can be effectively controlled.Electrochemical studies showed that the specific capacitance of hollow NiCoFeLDH@ZIF-67 composite is 1202.08 F/g(0.5 A/g).In addition,aqueous devices were assembled and carefully tested.This scheme is crucial for the design of MOF-based materials used in supercapacitor devices and serves as a guide for the design of MOF-based composites.展开更多
基金supported by the National Natural Science Foundation of China(No.U1904215)Natural Science Foundation of Jiangsu Province(No.BK20200044)Changjiang Scholars Program of the Ministry of Education(No.Q2018270)。
文摘Three-dimensional(3 D)printing,also known as additive manufacturing,has the advantages of low cost,easy structure operation,rapid prototyping,and easy customization.In the past few years,materials with different structures,compositions,and properties have been widely studied as prospects in the field of 3 D printing.This paper reviews the synthesis methods and morphologies of one-,two-and threedimensional micro/nano materials and their composites,as well as their applications in electrochemistry,such as supercapacitors,batteries and electrocatalysis.The latest progress and breakthroughs in the synthesis and application of different structural materials in 3 D-printing materials,as well as the challenges and prospects of electrochemical applications,are discussed.
基金supported by the National Natural Science Foundation of China (No.U1904215)Natural Science Foundation of Jiangsu Province (No.BK20200044)Changjiang scholars program of the Ministry of Education (No.Q2018270)。
文摘Metal–organic frameworks(MOFs) have a regular porous structure and high porosity,which make them ideal electrode materials for supercapacitors.However,their capacitance performance is greatly limited by their poor conductivity.In this study,a multi-component hierarchical structure was obtained by growing NiCoFeLDH on the surface of ZIF-67,which increased the electron transfer between the MOF particles and greatly improved the capacitance of ZIF-67.The formation mechanism of the multicomponent layered hollow structure indicated that the hydrolysis acidity of metal ions and the coordination ability with ligands were the key factors for forming nanosheets and hollow structures.By controlling the type and valence state of the doped metals and the reaction time,the morphology transformation of MOF composites can be effectively controlled.Electrochemical studies showed that the specific capacitance of hollow NiCoFeLDH@ZIF-67 composite is 1202.08 F/g(0.5 A/g).In addition,aqueous devices were assembled and carefully tested.This scheme is crucial for the design of MOF-based materials used in supercapacitor devices and serves as a guide for the design of MOF-based composites.
