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Article

An Experimental Study on Step-Up DC–DC Converters for Organic Photovoltaic Cells

1
Academia Militar (AM), CINAMIL, Instituto Universitário Militar (IUM), DCEE, Campus da Amadora, 2720-113 Amadora, Portugal
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Instituto de Telecomunicações, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal
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INESC-ID, 1000-029 Lisboa, Portugal
*
Author to whom correspondence should be addressed.
Academic Editors: Alessandro Bertacchini and Pierre Gasnier
J. Low Power Electron. Appl. 2022, 12(2), 20; https://doi.org/10.3390/jlpea12020020
Received: 11 March 2022 / Revised: 1 April 2022 / Accepted: 5 April 2022 / Published: 8 April 2022
(This article belongs to the Special Issue Energy-Harvesting and Self-Powered Devices)
This work studies two circuit topologies to step-up the voltage supplied by an organic photovoltaic (OPV) cell. Comparison and validation of the proposed topologies are accomplished throughout analytical, simulation, and experimental results. Two circuit solutions were found more suitable to boost the harvested OPV cell low voltage, depending on the load condition: the classical hard-switching boost converter and a multilevel boost converter. Both experimental circuits include the drive of the MOSFET switch based on an LC oscillator at 1.2 MHz, allowing the implementation of a conversion system, supplied by voltages as low as 500 mV, with output voltages from 1.2 V up to 7 V, under solar simulator conditions. The circuit area for each converter prototype is 2.35 cm2, with a total area below 3.0 cm2 for the overall energy harvesting system, including the OPV cell, which makes this proposal an extremely compact solution for ultra-low power harvesting applications. View Full-Text
Keywords: energy harvesting; organic photovoltaic cells; low voltage; inductive DC–DC converters energy harvesting; organic photovoltaic cells; low voltage; inductive DC–DC converters
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MDPI and ACS Style

dos Santos, P.M.; Serralheiro, A.J.; Borges, B.; Torres, J.P.N.; Charas, A. An Experimental Study on Step-Up DC–DC Converters for Organic Photovoltaic Cells. J. Low Power Electron. Appl. 2022, 12, 20. https://doi.org/10.3390/jlpea12020020

AMA Style

dos Santos PM, Serralheiro AJ, Borges B, Torres JPN, Charas A. An Experimental Study on Step-Up DC–DC Converters for Organic Photovoltaic Cells. Journal of Low Power Electronics and Applications. 2022; 12(2):20. https://doi.org/10.3390/jlpea12020020

Chicago/Turabian Style

dos Santos, P. Mendonça, António J. Serralheiro, Beatriz Borges, João Paulo N. Torres, and Ana Charas. 2022. "An Experimental Study on Step-Up DC–DC Converters for Organic Photovoltaic Cells" Journal of Low Power Electronics and Applications 12, no. 2: 20. https://doi.org/10.3390/jlpea12020020

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