Journal of Research in Electrical Circuits and Systems ISSN: 3139-2059 (Online)

Abstract

Energy harvesting is a promising solution for creating self-powered electrical systems, eliminating the need for external power sources. This paper examines recent innovations in energy harvesting techniques, including photovoltaic cells, thermoelectric generators, piezoelectric devices, and RF energy harvesting. The efficiency and practicality of each technique are analyzed, along with their integration into various applications such as wireless sensor networks and wearable electronics. The findings indicate that advancements in material science and device engineering are driving significant improvements in energy harvesting capabilities.

Keywords: Energy harvesting, Self-powered systems, Photovoltaic cells, thermoelectric generators, piezoelectric devices