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Communication Dans Un Congrès Année : 2022

Improvement of a soft electrostatic generator: polarization with a triboelectric function

Résumé

Improvement of a soft electrostatic generator Soft electrostatic generators (SEG), typically made of electroactive polymers like silicone, represent an efficient way to power up devices widely used in the IoT, including smart clothes, biomechanical energy harvesters or sensors. The principle of these generators is to exploit in an external circuit the electricity produced by a variation of capacity induced by a mechanical deformation of the SEG. The electrical charges available for this circuit have been in most cases previously brought through a high voltage supply (HVS). To get rid of the HVS and make the SEG autonomous in energy, we present an original solution based on a TENG (Triboelectric nano generator) approach used in a sliding mode. In order to develop and optimize the electrical response performance of the TENG to be coupled with our silicone-SEG, a test bench equipped with Trek electrostatic probes, a Keithley electrometer and a decade box has been designed. Thanks to this over-equipped bench, we have monitored the transfer of electrical charges between the two materials that form the TENG (copper, PET, PTFE.) over thousands of cycles in sliding mode. Modeling with a finite element model is underway to account for the observed mechanisms.
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Dates et versions

hal-03735724 , version 1 (21-07-2022)

Identifiants

  • HAL Id : hal-03735724 , version 1

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Simon-Emmanuel Haim, Christophe Pollet, Axel Sanchez, Claire Jean-Mistral, Alain Sylvestre. Improvement of a soft electrostatic generator: polarization with a triboelectric function. EuroEAP 2022, Jun 2022, Chianciano Terme, Italy. ⟨hal-03735724⟩
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