Mechanism and optimum pressure for sliding-mode nanogenerator

Hang Yun; Ren He

doi:10.2478/pjct-2023-0006

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Mechanism and optimum pressure for sliding-mode nanogenerator

Green Sciences

Volume 25 (2023): Issue 1 (March 2023)

By: Hang Yun and Ren He

Open Access

|Mar 2023

Abstract

Triboelectric nanogenerator has extensive applicability because of its capability of harvesting mechanical energy and flexible working modes. To research the optimum pressure and improve the recovered energy of the sliding-mode triboelectric nanogenerator, a contact model of the Al/PTFE tribo-pair is studied by ab initio calculation and finite element simulation. The F-atom of PTFE is proved to be the electron accepter and the charges transferred can be predicted by Bader charge analysis. The mathematical relation between interfacial distance, charges transferred and contact pressure can be fitted. By Gauss’s law, the electric field is simulated and the regeneration energy of the sliding-mode triboelectric nanogenerator can be evaluated by the total electric energy and friction loss. Finally, an optimum pressure can be set to the upper or lower limit of working pressure corresponding to larger recovered energy. And less friction coefficient and larger contact area are also effective methods for recovering energy.

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Articles in this issue

DOI: https://doi.org/10.2478/pjct-2023-0006 | Journal eISSN: 3072-0389

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Language: English

Page range: 35 - 39

Published on: Mar 29, 2023

Published by: West Pomeranian University of Technology, Szczecin

In partnership with: Paradigm Publishing Services

Publication frequency: Volume open

Keywords:

triboelectric nanogenerator,

ab initio calculation,

optimum pressure,

recovered energy

Related subjects:

Industrial chemistry,

Biotechnology,

Chemical engineering,

Process engineering

© 2023 Hang Yun, Ren He, published by West Pomeranian University of Technology, Szczecin
This work is licensed under the Creative Commons Attribution 4.0 License.

Volume 25 (2023): Issue 1 (March 2023)