间苯二酚/三聚氰胺树脂基介孔碳纳米球的制备及其超级电容器性能

Preparation of mesoporous carbon nanospheres from resorcinol/melamine resins and performances of supercapacitors

采用间苯二酚、三聚氰胺和甲醛为原料,嵌段共聚物F127为组装剂,在水热条件下进行聚合和组装制备了具有纺锤体形貌的树脂纳米材料,将其进行热处理制备了介孔碳纳米材料并研究了其超级电容器性能。介孔碳纳米球具有相对宽的孔径分布,比表面积可达676 m^(2)·g^(-1)。在电流密度为0.1 A·g^(-1)时,碳纳米材料的比电容为236 F·g-1。且在0.1~1 A·g^(-1)的电流密度下,电容的保持率为79%,该介孔碳纳米材料在超级电容器上具有很好的应用前景。

Spindle-like resious nanomaterials are synthesized through polymerization and assembly under hydrothermal conditions uses resorcinol,melamine and formaldehyde as raw materials and block copolymer F127 as assembly agent.Mesoporous carbon nanosphere are prepared by heat treatment of resin material and the supercapacitor performance of which is investigated.The carbon nanospheres have relatively wide pore size distribution and the specific surface area of which is up to 676 m^(2)·g^(-1).The electrochemical results show that the carbon nanospheres display the specific capacitance of 236 F·g-1 at the current density is 0.1 A·g^(-1) and the capacitance retention reach 79%from 0.1 A·g^(-1) to 1 A·g^(-1).The prepared carbon nanomaterials have a good application prospect in supercapacitors.