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Published on: July 22, 2022
Fabric-based integrated energy devices for wearable activity monitors
Sungmook Jung1, Jongsu Lee, Taeghwan Hyeon
1Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 151-742, Republic of Korea; School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul, 151-742, Republic of Korea.
Researchers developed a wearable fabric power system that generates electricity from movement using triboelectricity and stores it in a supercapacitor. This innovation enables self-powered activity monitors and external sensor power for wearable electronics.
Area of Science:
- Materials Science
- Electrical Engineering
- Wearable Technology
Background:
- Wearable electronics require integrated, sustainable power sources.
- Existing power solutions for wearables face limitations in size, flexibility, and energy harvesting capabilities.
Purpose of the Study:
- To develop a novel wearable fabric-based integrated power-supply system.
- To demonstrate its utility as a self-powered activity monitor and a power source for external sensors.
Main Methods:
- Fabric-based triboelectric nanogenerator (TENG) fabrication.
- Integration of TENG with a supercapacitor for energy storage.
- Testing the system's performance under human activity.
Main Results:
- Successful development of a flexible, fabric-based power system.
- Demonstrated energy generation through triboelectric effect from human motion.
- Validated the system's capability to power external wearable sensors and function as an activity monitor.
Conclusions:
- The developed system offers a promising solution for self-powered wearable electronics.
- This technology advances the field of integrated wearable power supplies.
- Opens new avenues for research in energy harvesting for ubiquitous computing.
