Triboelectric-based harvesting of gas flow energy and powerless sensing applications

Majid Taghavi*, Ali Sadeghi, Barbara Mazzolai, Lucia Beccai, Virgilio Mattoli

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

18 Citations (Scopus)

Abstract

In this work, we propose an approach that can convert gas flow energy to electric energy by using the triboelectric effect, in a structure integrating at least two conductive parts (i.e. electrodes) and one non-conductive sheet. The gas flow induces vibration of the cited parts. Therefore, the frequent attaching and releasing between a non-conductive layer with at least one electrode generates electrostatic charges on the surfaces, and then an electron flow between the two electrodes. The effect of blown gas on the output signals is studied to evaluate the gas flow sensing. We also illustrate that the introduced system has an ability to detect micro particles driven by air into the system. Finally we show how we can use this approach for a self sustainable system demonstrating smoke detection and LED lightening.

Original languageEnglish
Pages (from-to)82-87
Number of pages6
JournalApplied Surface Science
Volume323
DOIs
Publication statusPublished - 30 Dec 2014

Keywords

  • Dust detection
  • Energy harvesting
  • Gas flow
  • Self-sufficient sensing
  • Triboelectricity

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