All printable snow-based triboelectric nanogenerator.
Abdelsalam Ahmed1,2,3, Islam Hassan2, Islam M Mosa4,5
1School of Mechanical & Industrial Engineering, University of Toronto, Toronto, ON, M5S 3G8, Canada.
Nano Energy
|September 21, 2020
Summary
This study introduces the first snow-based triboelectric nanogenerator (snow-TENG), a device that harvests energy from snow. This innovation functions as both a power source and a multifunctional sensor for harsh, snowy environments.
Area of Science:
- Materials Science
- Energy Harvesting
- Sensor Technology
Background:
- Developing power generators for snowy environments is challenging.
- Triboelectric nanogenerators (TENGs) offer a potential solution for energy harvesting.
- Snow-based energy harvesting requires specialized device designs.
Purpose of the Study:
- To introduce the first snow-based triboelectric nanogenerator (snow-TENG).
- To demonstrate its capabilities as an energy harvester and a multifunctional sensor.
- To explore its applications in harsh, snowy conditions.
Main Methods:
- Utilized 3D printing for precise electrode and triboelectric layer deposition.
- Developed flexible, stretchable, and metal-free triboelectric generators.
- Employed a single electrode mode for device operation.
Main Results:
- Achieved an instantaneous output power density of 0.2 mW/m².
- Generated an open circuit voltage up to 8 V and a current density of 40 μA/m².
- Demonstrated functionality as a weather station and biomechanical sensor.
Conclusions:
- The snow-TENG is a viable energy harvester and sensor for snowy environments.
- It can monitor weather conditions (snowfall rate, depth, wind) and human motion.
- Potential integration with solar panels for continuous power supply in winter conditions.
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