超级电容器
电容
功率密度
电极
电化学
材料科学
电流密度
储能
化学工程
纳米复合材料
纳米技术
化学
功率(物理)
热力学
物理化学
物理
量子力学
工程类
作者
Rozhin Darabi,Hassan Karimi‐Maleh,Nianbing Zhong,Mohammad-Hadi Karimi-Harandi
标识
DOI:10.1016/j.electacta.2024.143871
摘要
In this investigation, we have synthesized Fe-MOF/CuO/C3N4 for its potential applications in supercapacitors based on simple chemical co-precipitation method for the first time. For this purpose, the electrochemical performance of electrode was evaluated by using different electrochemical methods. The proposed electrode displayed a large specific capacitance of 1285.71 F. g−1 at a current density of 2 A. g−1. The results showed the electrode has a good electron transfer rate and conductivity Additional, the asymmetric supercapacitor device presentation has been investigated with energy density of 87.5 Wh. kg–1 at the power density of 700 W.kg–1 and long cycling life. The two-electrode device exhibited specific capacitance of 283.33 F. g−1, energy density of 55.09 Wh.kg–1 and power density of 1172.12 W. kg–1 at 2 A. g−1 respectively. The device displayed that 87% of the initial capacitance had been maintained over 10000 cycles of operation. This work affirms that the Fe-MOF/CuO/C3N4 is a promising prospect material for high energy storage supercapacitor applications.
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