Issue 13, 2016

Flexible electrodes and supercapacitors for wearable energy storage: a review by category

Abstract

Supercapacitors are important energy storage devices capable of delivering energy at a very fast rate. With the increasing interest in portable and wearable electronic equipment, various flexible supercapacitors (FSCs) and flexible electrodes (FEs) have been investigated widely and constantly in recent years. Currently-developed FEs/FSCs exhibit myriad physical forms and functional features and form a complicated and extensive system. Herein, we summarize the recent results about FEs/FSCs and present this review by categories. According to different micro-structures and macroscopic patterns, the existing FEs/FSCs can be divided into three types: fiber-like FEs/FSCs; paper-like FEs/FSCs; and three-dimensional porous FEs (and corresponding FSCs). Subsequently each type of the FEs/FSCs is further sub-classified based on their construction rules, and mechanical and electrochemical properties. To our best knowledge, this is the first time such a hierarchical and detailed classification strategy has been propose. We believe it will be beneficial for researchers around the world to understand FEs/FSCs. In addition, we bring up some fresh ideas for the future development of wearable energy storage devices.

Graphical abstract: Flexible electrodes and supercapacitors for wearable energy storage: a review by category

Article information

Article type
Review Article
Submitted
24 Dec 2015
Accepted
12 Feb 2016
First published
15 Feb 2016

J. Mater. Chem. A, 2016,4, 4659-4685

Flexible electrodes and supercapacitors for wearable energy storage: a review by category

L. Dong, C. Xu, Y. Li, Z. Huang, F. Kang, Q. Yang and X. Zhao, J. Mater. Chem. A, 2016, 4, 4659 DOI: 10.1039/C5TA10582J

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