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Updated: Feb 9, 2026

Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System
Published on: January 7, 2022
An intrinsically compressible and stretchable all-in-one configured supercapacitor
Mengmeng Hu1, Jiaqi Wang, Jie Liu
1Centre of Flexible and Printable Electronics, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China. yanhuanglib@hit.edu.cn.
Abstract:
An all-in-one configured supercapacitor which is intrinsically compressible and stretchable is fabricated via one-step deposition of electrocapacitive nanocomposites onto two sides of a compressible and stretchable polyacrylic acid (PAA) hydrogel electrolyte. The supercapacitor affords a large degree of compression (up to 60% strain) without affecting the electrochemical performance. The exact same device also sustains stretching up to 150% strain, and meanwhile effectively powers an LED bulb.
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