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Issue 15, 2019
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Toward fiber-, paper-, and foam-based flexible solid-state supercapacitors: electrode materials and device designs

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Abstract

Flexible solid-state supercapacitors possess promising safety performance and intrinsic fast charging–discharging properties, enabling them to accomplish the requirements of lightweight and multifunctional wearable electronics that have recently become fairly popular. Because electrode materials are the core component of flexible solid-state supercapacitors, we exhaustively review the recent investigations involving electrode materials that have used carbons, metal oxides, and conductive polymers. The principles and methods of optimizing and fabricating electrodes for use in flexible supercapacitors are discussed through a comprehensive analysis of the literature. In addition, we focused on three types of flexible solid-state supercapacitors (fiber-, paper-, and porous foam-based structures) to satisfy the requirements of flexible electronic devices. Further, we summarize the practical applications of flexible solid-state supercapacitors, including energy conversion/collection devices and energy storage/detection devices. Finally, we provide the developmental direction for flexible solid-state supercapacitors in the future.

Graphical abstract: Toward fiber-, paper-, and foam-based flexible solid-state supercapacitors: electrode materials and device designs

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Article information


Submitted
21 Dec 2018
Accepted
10 Mar 2019
First published
14 Mar 2019

Nanoscale, 2019,11, 7041-7061
Article type
Review Article

Toward fiber-, paper-, and foam-based flexible solid-state supercapacitors: electrode materials and device designs

J. Liang, C. Jiang and W. Wu, Nanoscale, 2019, 11, 7041
DOI: 10.1039/C8NR10301A

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