Flexible/Stretchable Supercapacitors with Novel Functionality for Wearable Electronics

Kayeon Keum, Jung Wook Kim, Soo Yeong Hong, Jeong Gon Son, Sang Soo Lee, Jeong Sook Ha

Research output: Contribution to journalReview articlepeer-review

255 Citations (Scopus)


With the miniaturization of personal wearable electronics, considerable effort has been expended to develop high-performance flexible/stretchable energy storage devices for powering integrated active devices. Supercapacitors can fulfill this role owing to their simple structures, high power density, and cyclic stability. Moreover, a high electrochemical performance can be achieved with flexible/stretchable supercapacitors, whose applications can be expanded through the introduction of additional novel functionalities. Here, recent advances in and future prospects for flexible/stretchable supercapacitors with innate functionalities are covered, including biodegradability, self-healing, shape memory, energy harvesting, and electrochromic and temperature tolerance, which can contribute to reducing e-waste, ensuring device integrity and performance, enabling device self-charging following exposure to surrounding stimuli, displaying the charge status, and maintaining the performance under a wide range of temperatures. Finally, the challenges and perspectives of high-performance all-in-one wearable systems with integrated functional supercapacitors for future practical application are discussed.

Original languageEnglish
Article number2002180
JournalAdvanced Materials
Issue number51
Publication statusPublished - 2020 Dec 22

Bibliographical note

Publisher Copyright:
© 2020 Wiley-VCH GmbH


  • flexible/stretchable materials
  • multifunctionality
  • supercapacitors
  • wearable electronics

ASJC Scopus subject areas

  • General Materials Science
  • Mechanics of Materials
  • Mechanical Engineering


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