Work

Polarization-Insensitive Electromagnetic Metamaterial Design for Multi-Band Energy Harvesting

Year: 2023

Type: article

Abstract: A multi-band and polarization-insensitive metamaterial is proposed to harvest electromagnetic energy efficiently in three frequency bands. Based on a square resonant ring and cross resonant structure, a metamaterial is designed to achieve high energy harvesting efficiency of 81.2%, 93.3% and 93.5% at 2.45 GHz, 4.0 GHz and 5.8 GHz, respectively. The overall structure consists of an$8\times 8$periodic array of meta-cells with two vias loaded by two$50~\Omega $resistors, an impedance matching network and a rectifier circuit. Results show that the simulated rectification efficiency of rectifier circuit reaches 69.2%, 58.8% and 52.1% at 2.45 GHz, 4.0 GHz and 5.8 GHz, respectively, when the incident power is 5 dBm. The measured harvesting efficiency (RF-DC) is found to be 51.6%, 54.2% and 58.7% with the TE polarization and 50.6%, 53.7% and 58.6% with the TM polarization incidence at the three operating frequency bands, respectively. Although the incident power is reduced to 0 dBm, the energy harvesting efficiency can still reach more than 42% in both TE and TM polarizations. Therefore, it is shown that the energy harvesting system can maintain high efficiency under different polarizations in a wide power range.

Source: IEEE Access

DOI: 10.1109/access.2023.3344601

Authors: Hui Zhang, Yang Li, Wenrui Hu, Qibin Lu, Bojun Zhang, Lamar Y. Yang

Institutions: State Key Laboratory of Media Convergence and Communication, Communication University of China, China Academy of Information and Communications Technology, University of Nebraska–Lincoln

Language: English

Topic: Energy Harvesting in Wireless Networks

Subfield: Electrical and Electronic Engineering

Field: Engineering

Domain: Physical Sciences

SDG: Affordable and clean energy

Open Access status: gold

Estimated APC paid: $1,950