Study on the capability of Acoustic Energy Harvesting for low power device application

This paper investigates the capability of Acoustic Energy Harvesters (AEH) in generating electricity to minimize electricity consumption. In AEHs, piezoelectric materials convert mechanical stress into electrical energy. It generates electricity with the application of stimulus such as pressure or sound. This paper reports on the study of a commercial passive piezoelectric transducer effect on an energy harvesting circuit. The energy generated could be used in low power charging applications such as mobile electronic gadgets. The methodology employed in this study is via the energy harvesting circuit based on Piezoelectric Acoustic Energy Harvester (PEAEH) technique. The study advocates the use of renewable acoustics energy supply system to support green energy applications. One of the strengths of this system is that it could withstand noisy environments such as in industrial areas, train stations, bus terminals or busy roads. Another advantage is that it could create a new service for the public to charge their mobile devices conveniently. Finally, the result of the study contributes in waste minimization of electrical energy and electrical bills.