Stand-Alone Intrinsically Stretchable Electronic Device Platform Powered by Stretchable Rechargeable Battery

Woo Jin Song, Minsik Kong, Sunghwan Cho, Sangyeop Lee, Jimin Kwon, Hye Bin Son, Jun Hyuk Song, Dong Gue Lee, Gyujin Song, Sang Young Lee, Sungjune Jung, Soojin Park, Unyong Jeong

Research output: Contribution to journalArticlepeer-review

41 Citations (Scopus)

Abstract

Stretchable electronics have been considered a key technology in wearable and implantable medical devices. Although substantial advances have been made in key stretchable components, a stretchable electronic platform that integrates a stretchable power source and a stretchable printed circuit board (SPCB) has been a great challenge. Here, an intrinsically stretchable electronic device platform powered by a stretchable film battery is proposed so that the platform can be used as a stand-alone. The stretchable battery is used as a substrate for manufacturing device platforms where SPCB is printed and directly connected through via holes, thereby enabling an increase in integrated devices density. To achieve an intrinsically stretchable battery and high-performance circuit board, a novel concept of stretchable, self-healable, and pressure-sensitive polymer composite is designed. The platform is water-proof and maintains its stable electrical performance under extreme physical deformations. As a proof of concept, the integration of light-emitting diodes on the platform that can operate at large biaxial strain (125%) underwater is demonstrated.

Original languageEnglish
Article number2003608
JournalAdvanced Functional Materials
Volume30
Issue number50
DOIs
Publication statusPublished - 2020 Dec 8

Bibliographical note

Publisher Copyright:
© 2020 Wiley-VCH GmbH

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • General Chemistry
  • Condensed Matter Physics
  • General Materials Science
  • Electrochemistry
  • Biomaterials

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