Recent advances in all-in-one flexible supercapacitors

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Abstract

The rise of personalized flexible electronics has promoted the rapid development of flexible supercapacitors due to their long service life, fast charging-discharging rates and safe operation. Different from the traditional flexible supercapacitors, the all-in-one integrated flexible supercapacitors are more resistant to deformation and lower interface resistance, which have a broader application prospect in the field of flexible electronics. This review briefly summarizes the preparation methods and electrochemical properties of some typical all-in-one supercapacitors, represented by planar and fibrous structures in recent years. Firstly, the basic understanding of traditional flexible supercapacitors and all-in-one integrated flexible supercapacitors, and the key parameters of the performance of flexible supercapacitors are introduced. Subsequently, the hydrogel matrix all-in-one supercapacitors with different functional characteristics (stretchable, self-healing and compressible) and the nonhydrogel matrix (separator, flexible membrane) all-in-one supercapacitors are discussed. Furthermore, the challenges and future development of flexible supercapacitors are considered.

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Guo, T., Zhou, D., Liu, W., & Su, J. (2021, January 1). Recent advances in all-in-one flexible supercapacitors. Science China Materials. Science in China Press. https://doi.org/10.1007/s40843-020-1417-8

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