Flexible nano-vibration energy harvester using three-phase polymer composites

Abstract

In this article, we present the new three-phase piezo-polymer composite energy harvester, scavenging the electrical energy form ambient vibration. Nano magnesium oxide (MgO) and piezoelectric nano zinc oxide (ZnO) fillers in piezoelectric PolyVinyliDene fluoride-TriFluoroEthylene P(VDF-TrFE) polymer chain to form the hybrid composite material. P(VDF-TrFE)/ZnO with 2 wt%, 4 wt%, 6 wt% of MgO composite and pure P(VDF-TrFE) thin film nanoparticle allocation, crystalline structure, dielectric behavior and frequency analysis results, electrical output are characterized scanning electron microscopy (SEM), X-Ray diffraction (XRD, Impedance analyzer, Laser Doppler vibrometer and vibration shaker setup, respectively. The dielectric constant and crystalline structures improved by increasing the weight percentage of MgO nanofillers. The cantilever model Flexible Vibration Energy Harvester (FVEH) under the resonance frequency (56 Hz), it produces the maximum harvester output AC voltage (1.89 V) in size of 10 mm × 10 mm active piezoelectric layer. The resonance frequency generated through base excitation at a newly designed vibration shaker. The generated voltage used for microelectronics devices, medical application MEMS sensors.