Radio-Frequency Energy Harvesting Using Rapid 3D Plastronics Protoyping Approach: A Case Study

Harvesting of ambient radio-frequency energy is largely covered in the literature. The RF harvester considered most time as a standalone board. There an interest to add harvesting function on already-designed object. Polymer objects are here, manufactured through additive process and paper focuses rapid prototyping using plastronic approach. An array four antennas for circular polarization with high self-isolation. circuit obtained electroless copper metallization surface 3D substrate fabricated stereolithography printing. properties polymer resin not optimal; thus, this work investigate potential capabilities such implementation, particularly terms freedom design ease fabrication. electromagnetic characterized over band 0.5–2.5 GHz applying two-transmission-line method. A antenna experimented vehicle yields gain 1.26 dB. lab-scale prototype rectifier power management unit discrete components. cold start-up accepts minimum voltage 180 mV. main DC/DC converter operates under 1.4 V but able compensate losses input DC low 100 mV (10 μW). alone capable 3.5% efficiency at −30 dBm power. global system circularly polarized antenna, rectifier, conversion features experimental 14.7% −13.5 dBm. possible application results discussed.