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Prof. LI Kerui (李恪睿)

BEng(SCUT), MEng(SYSU), PhD(HKU)
MIEEE

Assistant Professor

Contact Information

Office:  YEUNG-G6405
Phone: 34422740
Email: kerui.li@cityu.edu.hk

Research Interests

  • Power Electronics
  • Wireless Power Transfer
Dr. Kerui Li is currently an Assistant Professor in the Department of Electrical Engineering at City University of Hong Kong. He received the B.Eng. degree from the South China University of Technology (SCUT) in 2013, the M.Eng. degree from the Sun Yat-sen University (SYSU) in 2016, and the Ph.D. degree from The University of Hong Kong (HKU) in 2021. After finishing his PhD degree, he served as a Research Fellow at Nanyang Technological University and a Research Assistant Professor at both The Hong Kong Polytechnic University and The University of Hong Kong. His research interests include power electronics and wireless power transfer.

Dr. Li's professional services and research have been recognized with several prestigious awards, including the IEEE Transactions on Power Electronics Outstanding Reviewer Award (2025), two IEEE Transactions on Power Electronics Prize Paper Awards (second place in 2024 and first place in 2023), the IEEE Power Electronics Society Ph.D. Thesis Talk Award (2022), and the University of Hong Kong Power Engineering Prize (2020).

We welcome applications for PhD and postdoctoral positions in High-Frequency Wireless Power Transfer and Power Electronics. If you are interested in joining our research group, please email your CV to Dr. Li at kerui.li@cityu.edu.hk.


Awards and Achievements

  • 2025 “Outstanding reviewer for IEEE Transactions on Power Electronics” IEEE Power Electronics Society. [URL]
  • 2024 “IEEE Transactions on Power Electronics Prize Paper Award (2nd Place)” IEEE Power Electronics Society. Awarded to the first-author paper entitled "New Printed-Circuit-Board Resonators With High Quality Factor and Transmission Efficiency for Mega-Hertz Wireless Power Transfer Applications," published in IEEE Transactions on Power Electronics, vol. 38, no. 10, pp. 13207-13218, Oct. 2023, doi: 10.1109/TPEL.2023.3293785. [URL]
  • 2023 “IEEE Transactions on Power Electronics Prize Paper Award (1st Place)” IEEE Power Electronics Society. Awarded to the paper entitled "Precise Luminous Flux and Color Control of Dimmable Red-Green-Blue Light-Emitting Diode Systems" published in IEEE Transactions on Power Electronics, vol. 37, no. 1, pp. 588-606, Jan. 2022, doi: 10.1109/TPEL.2021.3102260. [URL]
  • 2022 “IEEE Power Electronics Society Ph.D. Thesis Talk Award” IEEE Power Electronics Society. [URL]
  • 2020 “Power Engineering Prize” The University of Hong Kong.
  • 2019 “HK Electric Electrical Energy Postgraduate Scholarship” The University of Hong Kong.


Previous Experience

  • Jan 2024 - Dec 2024, Research Assistant Professor, The University of Hong Kong.
  • May 2023 - Dec 2023, Research Assistant Professor, The Hong Kong Polytechnic University.
  • Feb 2022 - May 2023, Research Fellow, Nanyang Technological University.


Research Grants

  • An Investigation into Very High Frequency Mid-Range Wireless Power Transfer Systems, General Research Fund, PI.
  • High-Frequency, High-Power and High-Efficiency Wireless Power Transfer Technologies, Theme-based Research Scheme, Co-PI.
  • 基於穩定性約束的高階級聯無線能量傳輸系統拓扑優化與控制, GuangDong Basic and Applied Basic Research Foundation, PI.


Patents

  • K. Li and S.Y.R. Hui, Printed Circuit Board Resonator And Method Of Forming The Same, US Patent No. 19/138051.
  • K. Li and S.Y.R. Hui, 印刷电路板谐振器及其制造方法, China Patent No. 202480007531.5.


Publications Show All Publications Show Prominent Publications


Journal

  • Zeng, J. , Li, K. , Yuan, H. , Yang, Y. , Tan, S.C. , Parisini, T. & Hui, S.Y.R. (2025). A Fast Front-End Monitoring Method for Mutual Inductance and Load Movement in SS-Compensated Wireless Power Transfer Systems Based on Harmonics Extraction. IEEE Transactions on Power Electronics. doi:10.1109/TPEL.2024.3464124
  • Li, K. , Wu, J. , Tan, S.C. , Cheng, K.W.E. & Hui, S.Y.R. (2025). Characterization and Modeling of Dual-Single-Layer PCB Resonators for Mega-Hertz Hybrid Inductive and Capacitive Wireless Power Transfer. IEEE Transactions on Power Electronics,. doi:10.1109/TPEL.2025.3580073
  • Zhu, M. , Li, K. , Tan, S.C. & Hui, S.Y.R. (2025). Electro-Thermal Circuit Modeling and Practical Evaluation of GaN Power Switches for Mega-Hertz Soft-Switching Operation. IEEE Transactions on Power Electronics,. doi:10.1109/TPEL.2025.3642289
  • Li, Z. , Chen, J. , Li, K. , Xu, Z. , Liu, Y. & Wang, M. (2025). Robust Model Predictive Control for Onboard Interleaved Multilevel Boost DC-DC Converter in DC Shipboard Microgrids. IEEE Transactions on Transportation Electrification. doi:10.1109/TTE.2025.3546329
  • Hui, S.Y.R. , Zhang, C. , Li, K. , Wong, A.M.H. & Tan, S.C. (2025). Some Key Aspects of Near-Field Wireless Power Transfer Technologies for High Frequency, High Power and High Efficiency. doi:10.1109/TPEL.2025.3648424
  • Li, K. , Wu, J. , Wang, K. , Yang, Y. , Tang, Y. & Hui, S.Y.R. (2024). A Folded Coil Design for Cubic Wireless Charging Space Frames With Even Magnetic Flux Density Distribution. IEEE Transactions on Power Electronics. doi:10.1109/TPEL.2024.3394522
  • Zeng, J. , Chen, S. , Li, K. & Hui, S.Y.R. (2024). A Front-End Monitoring Method for Coupling Coefficient and Receiver Resonant Frequency in the SS-Compensated Wireless Power Transfer Systems With Unknown Receiver Parameters. IEEE Transactions on Power Electronics. doi:10.1109/TPEL.2024.3359213
  • Zeng, J. , Yang, Y. , Li, K. , Chen, S. & Hui, S.Y.R. (2024). An Ultrafast Estimation Method for Coupling Coefficient and Receiver Resonant Frequency in Universal Wireless Power Transfer Systems. IEEE Transactions on Power Electronics. doi:10.1109/TPEL.2023.3348453
  • Zeng, J. , Wu, J. , Li, K. , Yang, Y. & Hui, S.Y.R. (2024). Dynamic Monitoring of Battery Variables and Mutual Inductance for Primary-Side Control of a Wireless Charging System. IEEE Transactions on Industrial Electronics. doi:10.1109/TIE.2023.3312440
  • Wang, Y. , Wang, K. , Li, K. , Yang, Y. & Hui, S.Y.R. (2024). Multi-MHz Inductive and Capacitive Power Transfer Systems With PCB-Based Self-Resonators. IEEE Transactions on Power Electronics. doi:10.1109/TPEL.2024.3431226
  • Wu, J. , Li, K. , Zeng, J. & Hui, S.Y.R. (2024). On the Limitations of the Coupled Mode Theory and Parity-Time Symmetry for Near-Field Wireless Power Transfer Research. IEEE Transactions on Power Electronics. doi:10.1109/TPEL.2024.3352918
  • Yan, Z. , Li, K. , Tan, S.C. & Hui, S.Y.R. (2023). Design of a Single-Input Triple-Output Hybrid Converter With Decoupled Control for Reverse Electrodialysis Systems. IEEE Journal of Emerging and Selected Topics in Power Electronics. doi:10.1109/JESTPE.2023.3325811
  • Qu, J. , Li, K. & Yan, S. (2023). Model predictive direct torque control of a three-phase four-switch inverter induction motor driving system. IET Smart Grid. doi:https://doi.org/10.1049/stg2.12131
  • Li, K. , Wu, J. , Yucel, A. C. & Hui, S.Y.R. (2023). New Printed-Circuit-Board Resonators With High Quality Factor and Transmission Efficiency for Mega-Hertz Wireless Power Transfer Applications (Prize Paper Award). IEEE Transactions on Power Electronics. doi:10.1109/TPEL.2023.3293785
  • Li, K. , Tan, S.C. & Hui, S.Y.R. (2022). Interleaved Buck-Type Rectifier with Pseudo-DC-Link Capacitors for Automatic Current Balancing. IEEE Transactions on Industrial Electronics. doi:10.1109/TIE.2021.3134062
  • Li, K. , Yuan, H. , Tan, S.C. & Hui, S.Y.R. (2022). Overshoot Damping and Dynamics Improvement in Wireless Power Transfer Systems via Receiver-Side Controller Design. IEEE Transactions on Power Electronics. doi:10.1109/TPEL.2021.3103578
  • Wong, C.P.G. , Lee, A.T.L. , Li, K. , Tan, S.C. & Hui, S.Y.R. (2022). Precise Luminous Flux and Color Control of Dimmable Red-Green-Blue Light-Emitting Diode Systems (Prize Paper Award). IEEE Transactions on Power Electronics. doi:10.1109/TPEL.2021.3102260
  • Li, K. , Tan, S.C. & Hui, S.Y.R. (2021). Dynamic Response and Stability Margin Improvement of Wireless Power Receiver Systems via Right-Half-Plane Zero Elimination. IEEE Transactions on Power Electronics. doi:10.1109/TPEL.2021.3074324
  • Li, K. , Tan, S.C. & Hui, S.Y.R. (2021). Efficient Hybrid-Modulated Single-Stage Wireless Power Receiver with Continuous DC Current. IEEE Transactions on Power Electronics. doi:10.1109/TPEL.2021.3072101
  • Li, K. , Lee, A.T.L. , Tan, S.C. & Hui, S.Y.R. (2021). Highly Efficient Single-Switch-Regulated Resonant Wireless Power Receiver With Hybrid Modulation. IEEE Journal of Emerging and Selected Topics in Power Electronics. doi:10.1109/JESTPE.2020.2986372
  • Li, K. , Tan, S.C. & Hui, S.Y.R. (2021). Low-Cost Single-Switch Bidirectional Wireless Power Transceiver for Peer-To-Peer Charging. IEEE Journal of Emerging and Selected Topics in Power Electronics. doi:10.1109/JESTPE.2020.3003462
  • Li, K. , Tan, S.C. & Hui, S.Y.R. (2021). On Effect of Right-Half-Plane Zero Present in Buck Converters with Input Current Source in Wireless Power Receiver Systems. IEEE Transactions on Power Electronics. doi:10.1109/TPEL.2020.3041006
  • Li, K. , Tan, S.C. & Hui, S.Y.R. (2020). On Beat Frequency Oscillation of Two-Stage Wireless Power Receivers. IEEE Transactions on Power Electronics. doi:10.1109/TPEL.2020.2991297
  • Li, K. , Tan, S.C. & Hui, S.Y.R. (2020). Single-Stage Regulated Resonant WPT Receiver With Low Input Harmonic Distortion. doi:10.1109/TPEL.2019.2959057
  • Li, K. , Tan, S.C. & Hui, S.Y.R. (2019). Single-Switch-Regulated Resonant WPT Receiver. IEEE Transactions on Power Electronics. doi:10.1109/TPEL.2019.2917552
  • Li, K. , Hu, Y. & Ioinovici, A. (2017). Generation of the Large DC Gain Step-Up Nonisolated Converters in Conjunction With Renewable Energy Sources Starting From a Proposed Geometric Structure. IEEE Transactions on Power Electronics. doi:10.1109/TPEL.2016.2609501
  • Chen, M. , Li, K. & Ioinovici, A. (2016). Generation of a Family of Very High DC Gain Power Electronics Circuits Based on Switched-Capacitor-Inductor Cells Starting from a Simple Graph. IEEE Transactions on Circuits and Systems I: Regular Papers. doi:10.1109/TCSI.2016.2606124


Service in CityUHK


Teaching Service

  • Jan 2026 - May 2026, EE2005, Electronic Devices and Circuits.
  • Jan 2026 - May 2026, GE1354, Introduction to Electronic Design.
  • Sep 2025 - Dec 2025, EE2005, Electronic Devices and Circuits.


Last update date : 31 Mar 2026