Piezoelectric material

We need the energy to operate anything in the world. Most of them use electricity to perform a specific task. As of now, we are using batteries, solar power, wind power, fuel cells, and more. We have seen various methods to generate electricity either by using a chemical reaction in batteries or by using sunlight in solar panels. These power sources are being used to provide large power to various devices and gadgets. What about those electronic components that are using low power for their operation they are generating their own. This form of electricity is known as piezoelectricity. In this article, we will know about piezoelectricity, its generation, and its applications also. So without any delay let’s get started.

What is Piezoelectricity?

Piezoelectricity is a phenomenon that combines electricity and the physical properties of the material. Piezoelectricity means that there is a coupling between the electrical and the mechanical state of the material. When a piece of piezoelectric material is mechanically deformed, for example, compressed or suppressed, electric charges will generate a surface of the material that causes to flow current. And vice versa, this piezoelectric material will be deformed when exerted to an electrical field.

Practically, the crystal of piezoelectric material becomes a kind of tiny battery with a positive charge on the face and a negative charge on the opposite face. An electric current flows when we connect the two faces together to make a circuit. In reverse order, a crystal of piezoelectric material becomes mechanically stressed (deformed in physical shape) when a voltage is applied across its opposite faces.

Compression and tension in piezo material

Compression and Tension in piezoelectric material 

Piezoelectric effect

Piezoelectric effect