As a new two-dimensional layered structural material,Ti_(3)C_(2)T_(x)has excellent electrical conductivity,mechanical properties,hydrophilicity and rich functional groups,showing a wide application prospect in the fie...As a new two-dimensional layered structural material,Ti_(3)C_(2)T_(x)has excellent electrical conductivity,mechanical properties,hydrophilicity and rich functional groups,showing a wide application prospect in the field of energy storage.However,when Ti_(3)C_(2)T_(x)is used as the electrode material of energy storage device,it is easy to stack due to the van der Waals forces between the layers,which hinders the reaction between the surface active site and electrolyte ions,lengthens the path of ion diffusion,and affects its specific capacity and rate performance.To address the above problems,this paper summarizes the research progress of Ti_(3)C_(2)T_(x)surface modification including designing three-dimensional nanostructures,constructing intercalated structural composites(composite with monomers,oxides,sulfides,and selenides),and doping with heteroatoms in sodium-ion batteries,and describes in detail the strategies or mechanisms of battery performance enhancement in conjunction with its preparation methods.Finally,its future research direction and development prospects are envisioned.展开更多
基金supported by the Youth Science Foundation Project of National Natural Science Foundation of China(51802031)
文摘As a new two-dimensional layered structural material,Ti_(3)C_(2)T_(x)has excellent electrical conductivity,mechanical properties,hydrophilicity and rich functional groups,showing a wide application prospect in the field of energy storage.However,when Ti_(3)C_(2)T_(x)is used as the electrode material of energy storage device,it is easy to stack due to the van der Waals forces between the layers,which hinders the reaction between the surface active site and electrolyte ions,lengthens the path of ion diffusion,and affects its specific capacity and rate performance.To address the above problems,this paper summarizes the research progress of Ti_(3)C_(2)T_(x)surface modification including designing three-dimensional nanostructures,constructing intercalated structural composites(composite with monomers,oxides,sulfides,and selenides),and doping with heteroatoms in sodium-ion batteries,and describes in detail the strategies or mechanisms of battery performance enhancement in conjunction with its preparation methods.Finally,its future research direction and development prospects are envisioned.
