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Laser-Induced Graphene Heater Pad for De-Icing
Jun-Uk Lee1, Chan-Woo Lee1, Su-Chan Cho1
1Department of Cogno-Mechatronics Engineering, Pusan National University, Pusan 46241, Korea.
Nanomaterials (Basel, Switzerland)
|November 27, 2021
Summary
Laser-induced graphene (LIG) offers a lightweight, flexible alternative for electro-thermal pads. These novel LIG heaters demonstrate rapid heating and high temperatures, suitable for wearable tech and industrial de-icing.
Area of Science:
- Materials Science
- Nanotechnology
- Electrical Engineering
Background:
- Extensive research focuses on replacing traditional electro-thermal materials with lighter, processable alternatives.
- Laser-induced graphene (LIG) has emerged as a promising material for advanced thermal applications.
Purpose of the Study:
- To investigate the potential of laser-induced graphene (LIG) patterns as electro-thermal pads.
- To fabricate and characterize flexible LIG heaters using laser direct writing (LDW).
Main Methods:
- Fabrication of LIG heaters on polyimide films via ultraviolet pulsed laser direct writing.
- Characterization using SEM, TEM, Raman spectroscopy, TGA, XPS, XRD, and BET analysis.
- Evaluation of electrical properties, thermal performance, and durability influenced by laser scanning speed.
Main Results:
- LIG heaters exhibited high porosity, light weight, and minimal thickness.
- Achieved rapid thermal response (equilibrium < 3 s) and temperatures up to 190 °C at ~10 V DC.
- Demonstrated good electrical properties, thermal performance, and durability.
Conclusions:
- LIG patterns are a viable candidate for flexible electro-thermal pads.
- The LDW technique enables efficient fabrication of customized LIG heaters.
- Potential applications include wearable thermal pads and industrial ice protection systems.
