An overview of metamaterials and their achievements in wireless power transfer

K Sun, R Fan, X Zhang, Z Zhang, Z Shi… - Journal of Materials …, 2018 - pubs.rsc.org
Metamaterials have been deployed for a wide range of fields including invisible cloak,
superlens, electromagnetic wave absorption and magnetic resonance imaging, owing to …

Practical inductive link design for biomedical wireless power transfer: A tutorial

M Schormans, V Valente… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Wireless power transfer systems, particularly those based on inductive coupling, provide an
increasingly attractive method to safely deliver power to biomedical implants. Although there …

Robust extended-range wireless power transfer using a higher-order PT-symmetric platform

M Sakhdari, M Hajizadegan, PY Chen - Physical Review Research, 2020 - APS
A fundamental challenge for the nonradiative wireless power transfer (WPT) resides in
maintaining the stable power transmission with a consistently high efficiency under dynamic …

Load-independent voltage and current transfer characteristics of high-order resonant network in IPT system

J Lu, G Zhu, D Lin, SC Wong… - IEEE Journal of Emerging …, 2018 - ieeexplore.ieee.org
Load-independent output characteristics of an inductive power transfer (IPT) system are of
increasing interest in electric vehicle and LED lighting applications. All compensation …

Extended-distance wireless power transfer system with constant output power and transfer efficiency based on parity-time-symmetric principle

X Shu, B Zhang, Z Wei, C Rong… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Maintaining constant power transfer while keeping near-unity transfer efficiency at varying
transfer distances is a major challenge for existing wireless power transfer (WPT) system …

Level pinning of anti-PT-symmetric circuits for efficient wireless power transfer

Z Guo, F Yang, H Zhang, X Wu, Q Wu… - National Science …, 2024 - academic.oup.com
Wireless power transfer (WPT) technology based on magnetic resonance (a basic physical
phenomenon) can directly transfer energy from the source to the load without wires and …

Constant-Voltage and Constant-Current Output Using P-CLCL Compensation Circuit for Single-Switch Inductive Power Transfer

R Yue, C Wang, H Li, Y Liu - IEEE Transactions on Power …, 2020 - ieeexplore.ieee.org
The characteristic of constant-current output (CCO) and constant-voltage output (CVO) on
full-bridge topology can be realized by using a traditional double-sided LCC compensation …

Systematic design of coils in series–series inductive power transfer for power transferability and efficiency

M Lu, KDT Ngo - IEEE Transactions on Power Electronics, 2017 - ieeexplore.ieee.org
The quality factor of coils should be high enough to deliver power efficiently during inductive
power transfer. To achieve a higher quality factor, coils are designed either with a larger size …

Low-cost maximum efficiency tracking method for wireless power transfer systems

X Tang, J Zeng, KP Pun, S Mai… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
This paper presents a novel maximum efficiency point (MEP) tracking method for wireless
power transfer (WPT) systems. It is proved that at the MEP for a typical system containing a …

Wireless Power Transfer Utilizing a High- Self-Resonant Structure

ALF Stein, PA Kyaw, CR Sullivan - IEEE Transactions on Power …, 2018 - ieeexplore.ieee.org
The range and efficiency of a wireless power transfer (WPT) system is limited by the quality
factor of the resonant coils. Conventional resonant coils are made from solid or Litz wire. At …