Piezoelectric Energy Harvest for Wearable Devices

Abstract

Implantable medical electronics (IMEs) have recently become critical for extending patients' lives. Extending the lifespan of these gadgets has thus become a major development problem. Chemical-cell batteries are frequently used to power wearable gadgets, but their frequent replacement or recharging hinders their widespread adoption. Piezoelectric energy harvesting is a promising and efficient approach for generating electricity that may be used to power wearable devices in response to body motions. Scavenging energy from the human body, with a special emphasis on the upper-limb Area. Piezoelectric transducers placed on the wrist can produce the highest power densities in contrast to other upper limb sites. The output which has been gained from this is 0.3mV to 0.5mV.The output from this device is limited, however it can be enhanced in the future with new technology. Although much progress has been made in the field of wearable self-powered devices, there are still significant obstacles ahead for new and practical applications.