Fabrication and Modeling of a Polymeric Triboelectric Nanogenerator Considering the Edge-Effect Capacitor

Document Type : Original Research Paper

Authors

1 University of Sistan and Baluchestan

2 University of Sistan and Baluchestan Electrical Eng.

Abstract

A vertical two-electrode polymeric nanogenerator energy harvester, utilizing KAPTON and PDMS as the positive and negative triboelectric materials, respectively, was investigated through both experimental and numerical approaches. To simulate environmental low-frequency motions, a vibrational force of 20 mN at 8 Hz was applied to the device using a custom-designed mechanical instrument. Experimental measurements confirmed the nanogenerator's ability to generate an output voltage and current with maximum amplitudes of 4 V and 0.025 μA, respectively. The charge production mechanism of the device was then modeled numerically, both with and without the inclusion of the edge-effect capacitor. The modeling results demonstrated strong agreement with experimental data, with the incorporation of the edge-effect capacitor significantly improving the alignment between calculated and observed values. The validated model provides a valuable tool for designing high-performance triboelectric nanogenerators for various applications and conditions. Additionally, further investigations into environmental influences revealed reduced device performance at lower pressures and higher temperatures.

Keywords

References

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Challenges in Nano and Micro Scale Science and Technology
Volume 12, Issue 1
March 2024
Pages 19-26

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