Generation of Electricity through Piezoelectric Crystal

This paper on "generation of electricity through piezoelectric crystal" is to describe a new, efficient design of a wearable energy supplier. In this report foot fall or heel strike methods are discussed to generate electricity. Foot fall or heel strike is one of the significant methods of harvesting energy and the project aims at developing a shoe embedded with piezoelectric material (PVDF) into a noble wearable energy supplier. The goal of a power harvesting device is to capture the normally lost energy surrounding a system and convert it into usable energy for the electrical device to consume. By utilizing these untapped energy sources electronics that do not depend on finite power supplies, such as the battery, can be developed. You can also Subscribe to FINAL YEAR PROJECT'S by Email for more such projects and seminar.

Piezoelectric generators work on the principle of piezoelectric effect. There are some material which has ability to create electrical potential when responding to mechanical changes. When these materials are compressed or expanded or otherwise changing shape a piezoelectric material will output some voltage. This effect is also possible in reverse in the sense that putting a charge through the material will produce in it changing shape or undergoing some mechanical stress. These materials are useful in a variety of ways.

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The sole of your shoe could be constructed of piezoelectric materials and every step you took would begin to generate electricity. In this project, piezoelectric crystal was connected in series through wires. After then the generated voltage is stored in the battery. The generated voltage which is generated by piezoelectric crystal is D.C. which is change into A.C by inverter. The load is connected to the inverter, which is glow when A.C is given by the inverter.


This project is an excellent alternative to reach the increasing demands for electricity. We conclude that it should be implemented in India also to accelerate the development and provide electricity at every corner of the country. Use this report for your reference and study work only.

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