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Simultaneous laser-based graphitization and microstructuring of bamboo for supercapacitors derived from renewable
Rikuto Miyakoshi1, Shuichiro Hayashi1, Mitsuhiro Terakawa1,2
1School of Integrated Design Engineering, Keio University Yokohama Kanagawa 223-8522 Japan terakawa@elec.keio.ac.jp.
RSC Advances
|November 2, 2022
Summary
Sustainable supercapacitors were fabricated using laser-induced graphene from renewable bamboo. This eco-friendly method creates high-surface-area electrodes from biomass, paving the way for greener energy storage solutions.
Area of Science:
- Materials Science
- Renewable Energy Storage
- Biomass Conversion
Background:
- Supercapacitors require sustainable electrode materials for environmental friendliness.
- Laser-based graphitization of biomass is a promising technique for renewable electrode fabrication.
Purpose of the Study:
- To demonstrate simultaneous patterning and microstructuring of laser-induced graphene (LIG) on bamboo.
- To fabricate environmentally-friendly supercapacitors using biomass-derived electrodes.
Main Methods:
- Irradiating bamboo with femtosecond laser pulses to induce graphitization and microstructuring.
- Utilizing the resulting laser-induced graphene (LIG) as supercapacitor electrodes.
- Employing NaCl as the electrolyte for supercapacitor fabrication.
Main Results:
- Simultaneous graphitization and microstructuring of bamboo were achieved.
- Conductive structures with high surface area were formed.
- Environmentally-friendly supercapacitors were successfully fabricated using all renewable biomass resources.
Conclusions:
- Laser-induced graphene from bamboo offers a sustainable route for supercapacitor electrodes.
- This method enables the creation of high-performance, eco-friendly energy storage devices.
- The research highlights the potential of biomass conversion for sustainable electronics.
