These nonrenewable sources will run out eventually and have a dangerous effect on us and our lifestyle. When fossil fuel and coal are used, huge amounts of carbon dioxide and other climate gases are emitted. Such drastic climate changes can pose a danger to all living beings on Earth. Hence, its highly essential that won-renewable energy sources be replaced by renewable energy alternatives. This is where Piezoelectricity comes into the picture. Piezoelectricity originates from the Greek word piezos meaning “pressure” and electricity can be found when pressure is applied to the piezoelectric substance. It is an electromechanical impact that has linear coupling between mechanical stress which brings about the electric field and displacement field. This is called the direct piezoelectric effect. The reverse can also be witnessed: applying an electric field generates a deformation. This is called the converse piezoelectric effect. Piezoelectricity is found in a variety of electrically insulating materials which will be discussed in this paper. Various applications of piezoelectricity include electromechanical transducers, ultrasonic generators, radio frequency (RF) and microwave filters, sensors, and actuators.
Cite this article:
Gopika Anand, G V Harsha Chowdary. Piezoelectricity: Harnessing Energy from Footsteps. Research J. Science and Tech. 2020; 12(4):267-276. doi: 10.5958/2349-2988.2020.00036.4
Gopika Anand, G V Harsha Chowdary. Piezoelectricity: Harnessing Energy from Footsteps. Research J. Science and Tech. 2020; 12(4):267-276. doi: 10.5958/2349-2988.2020.00036.4 Available on: https://rjstonline.com/AbstractView.aspx?PID=2020-12-4-6
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