Wireless Energy Harvesting and Power transfer from RF to Optical Frequencies

#Wireless #Power #Transfer #Energy #Harvesting #RF #Optical

In this presentation, I will explore the fascinating realm of wireless energy harvesting (WEH) and wireless power transfer (WPT). WEH focuses on efficiently obtaining energy from the wireless environment, while WPT involves the wireless transmission of energy. The key device connecting these two technologies is the rectifying antenna, also known as the rectenna.

While WEH aims to harvest energy across a broad range of frequencies, WPT is designed for efficient energy transfer within specific frequency bands. My talk will begin with an overview of rectenna systems developed thus far, highlighting the challenges in maximizing power conversion efficiency—the crucial performance metric for rectennas. Most current research in this field is focused on RF and microwave frequencies. However, I will discuss the exciting potential of extending this research to higher frequencies, particularly for harnessing solar energy—the largest energy source available to us.

Furthermore, I will present noteworthy research conducted at the University of Liverpool, showcasing innovative work in WEH and WPT. We will delve into diverse areas of exploration, including the integration of communication and wireless power transfer, which holds promising prospects for the future.

Wireless energy harvesting and power transfer technologies have the potential to revolutionize our energy landscape. By improving rectenna systems and venturing into higher frequencies, we can unlock new possibilities for wireless energy generation. 

  Date and Time




  • Date: 27 Sep 2023
  • Time: 06:00 PM to 07:00 PM
  • All times are (UTC+10:00) Brisbane
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  • Starts 19 September 2023 04:00 PM
  • Ends 27 September 2023 06:00 PM
  • All times are (UTC+10:00) Brisbane
  • No Admission Charge


Professor Yi Huang Professor Yi Huang


Wireless Energy Harvesting and Power transfer from RF to Optical Frequencies


Prof Yi Huang (Fellow, IEEE) received BSc in Physics (Wuhan, China) in 1984, MSc (Eng) in Microwave Engineering (Nanjing, China) in 1987, and DPhil in Communications from the University of Oxford, UK in 1994.

He has been conducting research in the areas of antennas, wireless communications, applied electromagnetics, radar, and EMC since 1987. More recently, he has focused on new materials for antennas, wireless energy harvesting, and power transfer. His experience includes 3 years spent with NRIET (China) as a Radar Engineer and various periods with the Universities of Birmingham, Oxford, and Essex in the UK as a member of research staff. He worked as a Research Fellow at British Telecom Labs in 1994 and then joined the Department of Electrical Engineering & Electronics, the University of Liverpool, UK as a Faculty in 1995, where he is now a full Professor in Wireless Engineering, the Head of High-Frequency Engineering Group.

Prof Huang has published over 500 refereed papers in leading international journals and conference proceedings and authored four books, including Antennas: from Theory to Practice (John Wiley, 2008 and 2021). He has received many patents, and research grants from research councils, government agencies, charities, the EU, and industry, and is a recipient of over 10 awards (e.g. IET Premium Award 2022 for Best Paper, EuCAP2023 Best Antenna Paper, IET Innovation Award 2018, and BAE Systems Chairman’s Award 2017). He has served on a number of national and international technical committees and has been an Editor, Associate Editor, or Guest Editor of seven international journals (including IEEE TAP 2022-date, IEEE AWPL 2016-2022). In addition, he has been a keynote/invited speaker and organiser of many conferences and workshops (e.g. IEEE iWAT2010, LAPC2012, UCMMT2017/2023, and EuCAP2018/2024). He is at present the Editor-in-Chief of Wireless Engineering and Technology, the UK and Ireland Rep to the European Association of Antenna and Propagation (EurAAP, 2016-2020, 2022-date), a Fellow of IET, a Fellow of IEEE, and a Distinguished Lecturer of IEEE AP-S (2022-2025).  

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