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Design of a radio frequency energy harvesting circuit with an incorporated solar cell

Ramos Tornay, Loris
(2020)

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RamosTornay_22081500_2020.pdf
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Details

Supervisors
Flandre, Denis
Faculty
Ecole polytechnique de Louvain
Degree label
Master [120] : ingénieur civil électromécanicien
Abstract
This work presents a radio frequency energy harvesting circuit designed to harvest RF energy at 2.45GHz with the help of an incorporated solar cell. The levels of RF energy targeted are between -30dBm and -20dBm. The off the shelf solar cell of this work is the dye sensitized solar cell from 3gsolar that can provide a constant voltage of 500mV for indoor condition operations (between 50lux and 500lux). The simulated power harvesting efficiency (PHE), RF + solar, can reach 43% for -30dBm of RF input power at 500lux of irradiance and 38.3% at 50lux for the same level of RF input power.