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Highly Stable, Bending-Tolerant, and Sustainable Flexible Heater through a Scalable Papermaking Procedure
Jiajie Liu1, Huacui Xiang2, Wei Wang2
1College of Chemistry and Chemical Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China.
Materials (Basel, Switzerland)
|July 27, 2024
Summary
Researchers developed a durable, flexible heater using graphite nanosheets and cellulose. This scalable method enhances electrothermal performance, offering potential for wearable tech and deicing applications.
Area of Science:
- Materials Science
- Nanotechnology
- Engineering
Background:
- Flexible electrothermal heaters are crucial for various applications but challenging to produce efficiently.
- Existing methods often struggle with stability and scalability.
Purpose of the Study:
- To develop a stable, bending-tolerant flexible heater with high electrothermal efficiency.
- To explore scalable fabrication methods for advanced heating devices.
Main Methods:
- Fabrication of flexible heaters using graphite nanosheets and cellulose fibers via a papermaking procedure.
- Enhancement of electrothermal properties through hot-pressing and addition of cationic polyacrylamide (CPAM).
Main Results:
- Achieved a maximum temperature of 239.8 °C in 1 minute at 9 V.
- Demonstrated high bending tolerance (100 bends) and stability over 100 heating/cooling cycles.
- High power density of 375.3 °C cm2 w-1.
Conclusions:
- The developed flexible heater exhibits excellent stability, durability, and electrothermal performance.
- The scalable papermaking approach offers a promising route for manufacturing advanced flexible heaters.
- Potential applications include wearable heating, soft heaters, and aircraft deicing systems.
