Phys.org December 9, 2024
Gel-based sensors typically depend on a metal grid connection, which is susceptible to structural deformation under heavy stress applications and necessitates external power. Researchers in South Korea developed gel polymer electrode-based triboelectric nanogenerator (GPE-TENG) that was stretchable, semi-transparent, and durable, designed to enable a self-powered touch panel for intelligent touch perception. The ionic polymer gel encapsulated within the ecoflex ensured robust adhesion of the ionic conductive polymer gel (PEO/LiTFSI) to the ecoflex layers. It demonstrated high durability, enduring stretching of approximately 375 % and sustaining heavy mechanical deformations over a long period without loss of functionality. It had energy harvesting capabilities with a peak power density of 0.36 W m-2, generated electrical signals through simple device stretching, serving as a self-powered wearable sensor for human activity monitoring. It has touch track/pattern recognition and accurate deep learning assisted smart biometric system for user identification… read more. Open Access TECHNICAL ARTICLEÂ
The method involves curing a gel electrode, made from a mixture of polyethylene oxide… Credit: Dongguk University.