超级电容器
材料科学
石墨烯
碳纳米管
电容
氧化物
纳米技术
范德瓦尔斯力
储能
功率密度
化学工程
碳纤维
平面的
复合数
光电子学
复合材料
功率(物理)
电极
分子
有机化学
计算机科学
化学
物理
计算机图形学(图像)
物理化学
量子力学
工程类
冶金
作者
Jun-Chao Jiao,Haoran Meng,Jia-Qing Tian,Wan-Ting Jiang,Guangyu Zhang
标识
DOI:10.1080/10584587.2023.2192668
摘要
With the wide popularization of 5 G network, the application of miniaturized electronic equipment is being gradually developed, but limited by energy storage technology. Micro-supercapacitors (MSCs) have become the possible direction to solve this problem because of their unique properties. Graphene oxide and carbon nanotubes are very suitable materials for preparing MSCs. However, graphene oxide will overlap due to van der Waals force, and carbon nanotubes will be entangled. In order to solve these problems, reduced graphene oxide and carbon nanotube composite films were prepared by liquid-air interface self-assembly and hydroiodic acid reduction. Planar MSCs with weight ratios of 5:1, 10:1 and 15:1 were prepared by photolithography, and the MSCs of 15:1 show the best comprehensive performance with the area capacitance of 0.905 μF cm−2, the energy density of 0.125 nWh cm−2, the power density of 2263.31 nW cm−2, the time constant of 38 ms, and the capacitance retention of 91.2%.
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