无线能量传输整流天线技术研究进展  

Research progress on rectenna technology of wireless power transfer

作　　者：刘童 蔺炜 邓敬亚[2] LIU Tong;LIN Wei;Deng Jingya(Department of Electrical and Electronic Engineering,The Hong Kong Polytechnic University,Hong Kong China 100872;Xidian University,Xi’an,Shanxi,China 710126)

机构地区：[1]香港理工大学电机及电子工程学系,中国香港100872 [2]西安电子科技大学,西安710126

出　　处：《空间电子技术》2024年第3期18-26,共9页Space Electronic Technology

基　　金：香港特别行政区大学教育资助委员会研资局杰出青年学者计划(编号:PolyU 25213623)。

摘　　要：近年来,无线电技术不断发展,其中无线能量传输技术可以实现无线供电,引起了广泛关注,具有很高的研究价值和应用前景。无线能量传输系统中的整流天线用来将接收到的电磁波转换为直流电,其转换效率是衡量系统能量传输能力的一个重要指标。文中首先介绍了无线能量传输技术的基本原理,接下来阐述了无线能量传输整流天线的研究进展,总结了近年来整流天线设计的主流技术方案,包括多频段和宽带整流天线、谐波抑制整流天线、高增益整流天线、双极化整流天线、大功率及负载范围整流天线、基于电磁超材料的整流天线等,并讨论了不同方案的关键技术及优势,展望了未来的发展趋势。In recent years,radio technology has continued to develop.Wireless power transfer(WPT)can realize wireless power supply,so it has attracted widespread attention and has high research value and application prospects.Rectenna in the WPT system is used to convert received electromagnetic waves into direct current.The conversion efficiency of the rectema system is an important indicator of the system’s energy transmission capability.This article introduces the basic principles of WPT technology,and then introduces the research progress of rectennas for WPT and summarizes the mainstream technical solutions of rectenna design in recent years,including multi-band and broadband rectennas,harmonic suppression rectennas,high-gain rectennas,dual-polarization rectennas,large power and load range rectennas,rectennas based on electromagnetic metamaterials,etc.The key technologies and advantages of different solutions are discussed and the future development trends are prospected.

关 键 词：无线能量传输 整流天线 交直流转换效率 

分 类 号：V443[航空宇航科学与技术—飞行器设计] TN386.1[电子电信—物理电子学]