超级电容器
材料科学
碳纤维
电容
多孔性
电化学
化学工程
席夫碱
比表面积
水溶液
基础(拓扑)
氮气
电极
活性炭
纳米技术
复合材料
高分子化学
有机化学
催化作用
复合数
物理化学
吸附
化学
数学分析
工程类
数学
作者
Jishi Wei,Hui Ding,Yonggang Wang
摘要
A type of hierarchical porous carbon material was prepared using a Schiff-base network as the precursor and ZnCl2 as the activation agent, and their electrochemical performances were investigated in acid and alkaline aqueous solutions, respectively. The as-prepared materials have high surface areas, appropriate distributions of hierarchical pore sizes, and various forms of nitrogen/oxygen derivatives. These structural advantages guarantee the outstanding performances of such carbon materials as electrodes for supercapacitors, which include high specific capacitances, fast current responses, and high cycling stabilities.
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