Triboelectric Nanogenerator-Based Vibration Energy Harvester Using Bio-Inspired Microparticles and Mechanical Motion Amplification

Nitin Satpute (), Marek Iwaniec, Joanna Iwaniec (), Manisha Mhetre, Swapnil Arawade, Siddharth Jabade and Marian Banaś
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Nitin Satpute: Department of Mechanical Engineering, Faculty of Science and Technology, Vishwakarma University, Pune 411048, India
Marek Iwaniec: Department of Biocybernetics and Biomedical Engineering, Faculty of Electrical Engineering, Automatics, Computer Science and Biomedical Engineering, AGH University of Science and Technology, Mickiewicz Alley 30, 30-059 Krakow, Poland
Joanna Iwaniec: Department of Robotics and Mechatronics, Faculty of Mechanical Engineering and Robotics, AGH University of Science and Technology, Mickiewicz Alley 30, 30-059 Krakow, Poland
Manisha Mhetre: Department of Instrumentation Engineering, Vishwakarma Institute of Technology, Pune 411037, India
Swapnil Arawade: Industrial Metal Powder Pvt. Ltd., Bhima Koregaon, Pune 412216, India
Siddharth Jabade: Department of Mechanical Engineering, Faculty of Science and Technology, Vishwakarma University, Pune 411048, India
Marian Banaś: Department of Power Systems and Environmental Protection Facilities, Faculty of Mechanical Engineering and Robotics, AGH University of Science and Technology, Mickiewicz Alley 30, 30-059 Krakow, Poland

Energies, 2023, vol. 16, issue 3, 1-22

Abstract: In this work, the novel design of a sliding mode TriboElectric Nano Generator (TENG)—which can utilize vibration amplitude of a few hundred microns to generate useful electric power—is proposed for the first time. Innovative design features include motion modification to amplify relative displacement of the TENG electrodes and use of biological material-based micron-sized powder at one of the electrodes to increase power output. The sliding mode TENG is designed and fabricated with use of polyurethane foam charged with the biological material micropowder and PolyTetraFluoroEthylene (PTFE) strips as the electrodes. Experimentations on the prototype within frequency range of 0.5–6 Hz ensured peak power density of 0.262 mW/m 2 , corresponding to the TENG electrode size. Further numerical simulation is performed with the theoretical model to investigate the influence of various design parameters on the electric power generated by the TENG. Lastly, application of the proposed TENG is demonstrated in a wearable device as an in-shoe sensor. Conceptual arrangement of the proposed in-shoe sensor is presented, and numerical simulations are performed to demonstrate that the real size application can deliver peak power density of 0.747 mW/m 2 and TENG; the voltage will accurately represent foot vertical force for various foot force patterns.

Keywords: numerical modeling; Matlab modeling; wearable device (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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