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Stretchable and self-healing polymer nanocomposite hydrogel−based supercapacitors

  • Bingxin Li

Student thesis: Doctoral Thesis › Thesis with Publications

Abstract

Stretchable supercapacitors are promising energy storage devices for next-generation wearable and stretchable devices, but achieving stable and durable electrical energy output under various deformation conditions such as stretching, bending, and twisting remains challenging. Supercapacitors typically feature a three-layer structure, with an electrolyte layer sandwiched between two electrode layers. In this thesis, novel stretchable and self-healing nanocomposite hydrogel electrodes and electrolytes were prepared for assembling intrinsically stretchable and self-healing all-in-one hydrogel-based supercapacitors. Two primary nanocomposite hydrogel systems for this application were explored in this thesis.

Thesis is embargoed until 31 July 2028.
Date of AwardJul 2025
Original languageEnglish
Awarding Institution
  • Queen's University Belfast
SponsorsQueen's University & China Scholarship Council
SupervisorBiqiong Chen (Supervisor) & Oana Istrate (Supervisor)

Keywords

  • Nanocomposite hydrogel
  • hydrogel electrode
  • hydrogel electrolyte
  • stretchable supercapacitor

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