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Highly-efficient wireless and batteryless switches for home automation

Sebastien Boisseau 1, 2, * Olivier Tosoni 3 Gerard Delette 3 Marc Bohnke 3 Baptiste Alessandri 4 Ghislain Despesse 1, 2
* Corresponding author
1 CEA-LETI - Commissariat à l'énergie atomique et aux énergies alternatives - Laboratoire d'Electronique et de Technologie de l'Information
2 DSYS - Département Systèmes
3 DTNM - Département des Technologies des NanoMatériaux
4 Davidson S.A. (Grenoble)
Abstract : This paper reports on a highly-efficient electromagnetic energy harvester for wireless and batteryless switches. The energy harvester relies on a central rotating magnet driven by magnetic launchers and combined with a ferromagnetic circuit to take advantage of nonlinear behaviors and to increase the electromechanical conversion efficiency. The experimental output energy reaches 1.235mJ (350µJ/cm³) with a conversion efficiency of 56%, making it one of the most powerful and the most efficient in the state of the art.
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Conference papers
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https://hal-cea.archives-ouvertes.fr/cea-03249096
Contributor : Sébastien Boisseau <>
Submitted on : Thursday, June 3, 2021 - 10:23:21 PM
Last modification on : Tuesday, June 22, 2021 - 2:26:02 PM

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  • HAL Id : cea-03249096, version 1

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Sebastien Boisseau, Olivier Tosoni, Gerard Delette, Marc Bohnke, Baptiste Alessandri, et al.. Highly-efficient wireless and batteryless switches for home automation. JNRSE 2021 - 10th National Days on Energy Harvesting and Storage, Jun 2021, Grenoble (E-Conference), France. ⟨cea-03249096⟩

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