基于 Ti3C2Tx MXene 和共价有机框架的混合微型超级电容器

IF 9 2区 材料科学 Q1 CHEMISTRY, PHYSICAL
Yusuf Khan, Vinayak S. Kale, Jehad K. El-Demellawi, Yongjiu Lei, Wenli Zhao, Sharath Kandambeth, Prakash T. Parvatkar, Osama Shekhah, Mohamed Eddaoudi, Husam N. Alshareef
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引用次数: 0

摘要

新兴电子应用(包括储能、传感器和便携式设备)的需求日益增长,因此迫切需要开发具有便捷器件结构的微型柔性储能元件。在此,我们报告了一种分别以共价有机框架和 TiCT MXene 为正负极的平面内混合微型超级电容器。该器件采用三维激光刻划石墨烯(LSG)作为两个电极的集流体,并使用基于 CO 激光的技术,因为该技术具有良好的分辨率,可用于平面内器件的制造,而且 LSG 的高孔隙率可促进更好的速率性能。所构建的混合超级电容器的最大面积电容为 131.46 mF/cm,电压窗口为 1.2 V。这些发现为在微尺度上制造自供电器件应用的混合超级电容器提供了一种新策略。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Hybrid microsupercapacitors based on Ti3C2Tx MXene and covalent organic frameworks
The growing demand for emerging electronic applications, including energy storage, sensors, and portable devices, has created a pressing need to develop miniaturized flexible energy storage components with convenient device architecture. Here, we report an in-plane hybrid micro-supercapacitor made of covalent organic frameworks and TiCT MXene as positive and negative electrodes, respectively. The devices utilize three-dimensional laser-scribed graphene (LSG) as a current collector for both electrodes using a CO-laser-based technique due to its good resolution for in-plane device fabrication, and high porosity of LSG that can facilitate better rate performance. The constructed hybrid supercapacitor has a maximum areal capacitance of 131.46 mF/cm and a voltage window of 1.2 V. The findings provide a new strategy to fabricate a hybrid supercapacitor for self-powered device applications at the microscale.
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来源期刊
Materials Today Energy
Materials Today Energy Materials Science-Materials Science (miscellaneous)
CiteScore
15.10
自引率
7.50%
发文量
291
审稿时长
15 days
期刊介绍: Materials Today Energy is a multi-disciplinary, rapid-publication journal focused on all aspects of materials for energy. Materials Today Energy provides a forum for the discussion of high quality research that is helping define the inclusive, growing field of energy materials. Part of the Materials Today family, Materials Today Energy offers authors rigorous peer review, rapid decisions, and high visibility. The editors welcome comprehensive articles, short communications and reviews on both theoretical and experimental work in relation to energy harvesting, conversion, storage and distribution, on topics including but not limited to: -Solar energy conversion -Hydrogen generation -Photocatalysis -Thermoelectric materials and devices -Materials for nuclear energy applications -Materials for Energy Storage -Environment protection -Sustainable and green materials
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