水溶液
电容
动力学
单体
材料科学
电容感应
电容器
结晶度
聚合物
离子
聚合
钠
化学工程
化学
电极
分析化学(期刊)
物理化学
有机化学
复合材料
电压
电气工程
物理
量子力学
工程类
作者
Chengjun Gu,Zhihao Liu,Xiang Gao,Qi Zhang,Zhan‐Hui Zhang,Zhitian Liu,Chengliang Wang
标识
DOI:10.1002/bte2.20220031
摘要
Abstract Organic molecules and polymers have been widely used in aqueous sodium‐ion capacitors. However, the difference in the reaction kinetics of the electroactive polymer and its monomer has been overlooked. In this study, a comparative study of the sodium‐ion storage performance and the reaction kinetics is performed. The poly(perylene diimides) which is named EDP exhibits decreased crystallinity, smaller particle size with a rough surface, higher specific capacitance, lower reduction potential, better cycling stability, and rate performance, compared with its monomer 3,4,9,10‐perylenetetracarboxylic dianhydride. The reaction kinetics study proves that the EDP shows faster sodium‐ion diffusion and more capacitive charge storage, which are responsible for the high‐rate capability.
科研通智能强力驱动
Strongly Powered by AbleSci AI