A self-sustained energy storage system with an electrostatic automatic switch and a buck converter for triboelectric nanogenerators

Author:

Zhang Hemin,Galayko Dimitri,Basset Philippe

Abstract

Abstract In this paper, we present for the first time a complete energy harvesting system fo triboelectric nanogenerators (TENGs) that includes as a first stage a half-wave rectifier, and as a second stage an electrostatic automatic switch combined with a buck converter. This simple two-stage system allows to deal with the very high output voltages of TENGs: the system can power a commercial low-voltage output regulator, which cannot be realized by directly charging the storage capacitor only with diode rectifiers. Different from the previous works using dissipating transformers for voltage stepping-down or switches integrated with the TENG for impedance matching, this work demonstrates the properties of high power pumping up, potential size reduction and low power dissipations.

Publisher

IOP Publishing

Subject

General Physics and Astronomy

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