Wireless Energy Harvesting and Transfer: A Comprehensive Review of Recent Developments

Wireless energy harvesting and transfer technologies are rapidly evolving and have the potential to revolutionize the way we power electronic devices. This review paper provides a comprehensive overview of the current state of wireless energy transmission and harvesting technology, with a focus on wireless sensor systems and communication networks. The paper discusses numerous methods and techniques employed for energy transfer, including electromagnetic, acoustic, and optical methods. The article also discusses the most recent advancements in wireless energy harvesting and transfer, such as triboelectric nanogenerators, wireless power transfer based on magnetic resonance, and energy harvesting from environmental sources. The paper also discusses challenges and limitations associated with implementing wireless energy collecting and transfer, as well as potential solutions. The paper concludes by highlighting the promising future of wireless energy harvesting and transfer, which has the potential to enable a wide range of applications, from Internet of Things (IoT) devices to medical implants and beyond. Overall, this review offers a comprehensive understanding of the state-of-the-art in wireless energy harvesting and transfer, which is essential for researchers and practitioners working in this field.

I. Introduction

Energy harvesting is a crucial component of eco sustainable communication [1] - [2] that enables the self-sustaining functioning of wireless communications networks and devices [3].