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Self-Powered Ultrastretchable Microstructured Intelligent Sensing Technology Based on Tactile Perception of Limb
Danyu Zhao1, Xincheng Jiang2, Haoran Xu2
1Department of Physical Education, Fujian University of Technology, Fuzhou, Fujian 350118, China.
ACS Omega
|April 13, 2026
Summary
Researchers developed a highly stretchable composite film triboelectric nanogenerator (TENG) using Ecoflex, carbon nanotubes (CNTs), and MXene. This innovative material achieves high voltage output and extreme strain, enabling self-powered electronic systems.
Area of Science:
- Materials Science
- Nanotechnology
- Energy Harvesting
Background:
- Triboelectric nanogenerators (TENGs) offer a promising avenue for harvesting mechanical energy.
- Developing TENGs with high elasticity and performance remains a challenge for practical applications.
Purpose of the Study:
- To fabricate a surface microstructured Ecoflex/CNTs/MXene composite film TENG.
- To enhance the performance of TENGs through microstructure engineering and synergistic modification.
Main Methods:
- Fabrication of a composite film using Ecoflex, carbon nanotubes (CNTs), and two-dimensional transition metal carbides (MXene).
- Microstructure engineering and synergistic modification of the composite materials.
- Optimization of material selection, physical blending, and surface design.
Main Results:
- Achieved an open-circuit voltage of 223.5 V under a 35 N load and 100% tensile strain.
- Demonstrated an ultrahigh tensile strain capability of 594.07%.
- Successfully developed a self-powered energy supply system based on the composite film TENG.
Conclusions:
- The developed surface microstructured composite film TENG exhibits excellent stretchability and high energy conversion efficiency.
- This technology provides a foundation for advanced, highly stretchable self-powered electronic devices and interactive systems.

