Piezoelectric Alternative Energy Sources as a Part of the Global Energy Concerns – Future Prospects in the Science and Market

Mariya Aleksandrova*

Department of Microelectronics, Technical University of Sofia, Kliment Ohridski blvd., 8, Sofia 1000, Bulgaria

Adv. Mater. Lett., 2020, 11 (10), 20101561

DOI: 10.5185/amlett.2020.101561

Publication Date (Web): Aug 20, 2020

E-mail: m_aleksandrova@tu-sofia.bg


Portable and smart electronic devices are powered by batteries whose life is limited. On the other hand, in recent years the idea of renewable energy and methods of its obtaining by environmentally friendly technologies gained popularity. The conversion of energy from various sources in the surrounding environment (energy harvesting) solves the problem of battery-less power supply and satisfies the modern concepts of "clean" energy. One of the mechanisms for electrical energy generation is the piezoelectric effect, which relies on mechanical activation (vibrations, pressure, force) and the corresponding devices are piezoelectric energy harvesters. This article has overviewed the global situation, efforts, and prospects of the development of piezoelectric materials and harvesting devices in terms of research interest, industrial implementation, sectors of application and market forecasts.


Piezoelectric energy harvesting, smart materials, energy efficiency, alternative energy sources.

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