广州化学2024，Vol.49Issue(3)：31-35,5.DOI:10.16560/j.cnki.gzhx.20240318
模板和发泡双策略制备氮掺杂介孔碳材料及电化学性能
Dual-engineering Preparation and Electrochemical Properties of Nitrogen-doped Mesoporous Carbon Materials
摘要
Abstract
The extent of precursor condensation reaction was explored at different pre-activation temperatures(90℃,140℃,180℃and 250℃)using urea as nitrogen source and polyvinylpyrrolidone as carbon source via hard template method and foaming strategy.The morphology was analyzed by SEM,and the effect of different foaming temperatures on pore size was analyzed by BET to explore their electrochemical performance as electrode materials.The results show that the calcined NPCNs samples at the pre-activation temperature of 180℃have a three-dimensional network morphology,high specific surface area and rich hierarchical porous structure.Meanwhile,the NPCNs exhibited good electrochemical performance and high electrical conductivity,with a specific capacitance as high as 382 F/g at a sweep rate of 1 mV/s.Even at a current density of 2 A/g,the NPCNs possessed a capacity retention of nearly 100% after 1,000 cycles,and a discharge specific capacity as high as 302 F/g.关键词
发泡法/氮掺杂/介孔碳材料/超级电容器/电极/电化学性能Key words
foaming strategy/nitrogen-doped/mesoporous carbon material/supercapacitor/electrode/electrochemical performance分类
化学化工引用本文复制引用
王鸿志,白雪,苏文君,高源,王卓..模板和发泡双策略制备氮掺杂介孔碳材料及电化学性能[J].广州化学,2024,49(3):31-35,5.基金项目
国家青年科学基金项目(22209114) （22209114）
