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(Advanced Functional Materials) Recent Developments of In-Planar Micro-Supercapacitors: Fabrication, Properties, and Applications
作者:Jihai Zhang, Gaixia Zhang, Tao Zhou*, and Shuhui Sun*
关键字:1
论文来源:期刊
具体来源:Advanced Functional Materials, 2020, 30, 1910000
发表时间:2020年
The increasing development of wearable, portable, implantable, and highly integrated electronic devices have an increasing demand for miniaturization of energy storage devices. In recent years, supercapacitors as an energy storage device have received enormous attention owing to their excellent properties of quickly charge and discharge, high power density, and long life cycle with minimal maintenance. Micro-supercapacitors (MSCs) as a promising candidate for miniaturized energy storage component have received considerable theoretical and experimental investigations. Particularly, the in-planar MSCs with two-dimensional (2D) architecture design have more attractive application prospects due to their flexible design and excellent electrochemical performance. However, the major drawbacks of MSCs are their intrinsically low energy density. For this reason, researchers conducted much investigation to improve its energy density in order to promote its practical application. In this Review, the recent development and progress of in-planar MSCs from the scope of the substrates, electrode materials, fabrication methods, electrochemical properties, and applications are discussed. Finally, the currently existing challenges and developments associated with in-planar MSCs are also discussed. All in all, the in-planar MSCs have great application potential in various fields of electrochemical energy storage, self-powered wireless sensors, stimuli-responsive and photo-responsive, alternating current (AC) line filtering.