Abstract
In past decades, energy harvesting using piezoelectric materials has offered various opportunities towards implementing self-powered electronic devices. In the direction of wearable devices, this paper is mainly focused towards charging the pacemaker device from human heart vibration using piezoelectric energy harvesting (PEH) technique. Here, a fan-folded piezoelectric energy harvesting (FF-PEH) device has been investigated to meet with the basic power requirement of pacemaker device. Initially, a simulation study has been conducted to observe the voltage-power-frequency response of FF-PEH using COMSOL Multiphysics version 5.4. Further, the behavior of FF-PEH has been optimized for variation in different materials used. It has been observed that by choosing PZT-5H, silicon and platinum as piezoelectric, substrate and rigid beam materials respectively, the FF-PEH device is capable to provide 10.19 μW power at 20 Hz resonant frequency.
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