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Enhancing Performance of Composite-Based Triboelectric Nanogenerators Through Laser Surface Patterning and Graphite Coating for Sustainable Energy Solutions

Author

Listed:
  • Narong Amorntep

    (Center of Multidisciplinary Innovation Network Talent (MINT Center), Faculty of Interdisciplinary Studies, Khon Kaen University, Nong Khai Campus, Nong Khai 43000, Thailand)

  • Apirat Siritaratiwat

    (Faculty of Engineering, Department of Electrical Engineering, Khon Kaen University, Khon Kaen 40002, Thailand)

  • Chavis Srichan

    (Faculty of Engineering, Department of Computer Engineering, Khon Kaen University, Khon Kaen 40002, Thailand)

  • Saichon Sriphan

    (Faculty of Science, Energy and Environment, King Mongkut’s University of Technology North Bangkok, Bangkok 10800, Thailand)

  • Thalerngsak Wiangwiset

    (Center Maintenance Sector, National Telecom Public Company Limited, Khon Kaen 40000, Thailand)

  • Atthaporn Ariyarit

    (Faculty of Science, Department of Electronics Technology, Ramkhamhaeng University, Bangkok 10240, Thailand)

  • Wisut Supasai

    (Faculty of Science, Department of Chemistry, Ramkhamhaeng University, Bangkok 10240, Thailand)

  • Nuttapong Bootthanu

    (Department of Smart Electronics and Electric Vehicles, Faculty of Technology, Udon Thani Rajabhat University, Udon Thani 41000, Thailand)

  • Sorawit Narkglom

    (Faculty of Industrial Technology, Chitralada Technology Institute, Bangkok 10300, Thailand)

  • Naratip Vittayakorn

    (Department of Chemistry, School of Science, King Mongkut’s Institute of Technology Ladkrabang, Bangkok 10520, Thailand)

  • Chayada Surawanitkun

    (Center of Multidisciplinary Innovation Network Talent (MINT Center), Faculty of Interdisciplinary Studies, Khon Kaen University, Nong Khai Campus, Nong Khai 43000, Thailand)

Abstract

The performance of composite-based triboelectric nanogenerators (C–TENGs) was significantly enhanced through laser surface patterning and graphite coating. The laser etching process produced accurate and consistent patterns, increasing surface area and improving charge accumulation. SEM imagery confirmed the structural differences and enhanced surface properties of the laser-etched C–TENGs. Graphite fibers further augmented the contact surface area, enhancing charge accumulation and diffusion. Experimental results demonstrated that the optimized C–TENGs, especially those with line patterns and graphite coating, achieved a maximal 98.87 V open-circuit voltage ( V OC ) and a 0.10 µA/cm 2 short-circuit current density ( J SC ) under a 20 N external force. Environmental tests revealed a slight decrease in performance with increased humidity, while long-term stability tests indicated consistent performance over three weeks. Practical application tests showed the potential of C–TENGs integrated into wearable devices, generating sufficient energy for low-power applications, thereby highlighting the promise of these devices for sustainable energy solutions.

Suggested Citation

  • Narong Amorntep & Apirat Siritaratiwat & Chavis Srichan & Saichon Sriphan & Thalerngsak Wiangwiset & Atthaporn Ariyarit & Wisut Supasai & Nuttapong Bootthanu & Sorawit Narkglom & Naratip Vittayakorn &, 2024. "Enhancing Performance of Composite-Based Triboelectric Nanogenerators Through Laser Surface Patterning and Graphite Coating for Sustainable Energy Solutions," Energies, MDPI, vol. 17(21), pages 1-18, October.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:21:p:5354-:d:1508172
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