Issue 43, 2021

Cyclic stability of supercapacitors: materials, energy storage mechanism, test methods, and device

Abstract

Supercapacitors, also known as electrochemical capacitors, have attracted more and more attention in recent decades due to their advantages of higher power density and long cycle life. For the real application of supercapacitors, there is no doubt that cyclic stability is the most important aspect. As the core component, electrode materials determine the cyclic stability of supercapacitors, although the other components like electrolyte and separator are also important. In this review, we sum up the cyclic stability of supercapacitors according to type of electrode material and its energy storage mechanism, discuss the strategies to boost the stability of those electrode materials, and indicate several key significant considerations in measurement of cyclic stability. The purpose is to obtain safe, long-lasting, and high-performance supercapacitor devices.

Graphical abstract: Cyclic stability of supercapacitors: materials, energy storage mechanism, test methods, and device

Article information

Article type
Review Article
Submitted
10 ኦገስ 2021
Accepted
29 ሴፕቴ 2021
First published
30 ሴፕቴ 2021

J. Mater. Chem. A, 2021,9, 24094-24147

Cyclic stability of supercapacitors: materials, energy storage mechanism, test methods, and device

Q. Wu, T. He, Y. Zhang, J. Zhang, Z. Wang, Y. Liu, L. Zhao, Y. Wu and F. Ran, J. Mater. Chem. A, 2021, 9, 24094 DOI: 10.1039/D1TA06815F

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