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All Journal International Journal of Electrical and Computer Engineering International Journal of Power Electronics and Drive Systems (IJPEDS) International Journal of Applied Power Engineering (IJAPE) JOIV : International Journal on Informatics Visualization
Baharom, Rahimi
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Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering

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Journal : International Journal of Applied Power Engineering (IJAPE)

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Impact of ferrite materials on wireless power transfer efficiency for electric vehicles battery chargers Bunyamin, Wan Muhamad Hakimi Wan; Baharom, Rahimi
International Journal of Applied Power Engineering (IJAPE) Vol 15, No 1: March 2026
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijape.v15.i1.pp361-372

Abstract

This paper investigates the impact of ferrite materials on the efficiency of wireless power transfer (WPT) systems designed for electric vehicle (EV) and E-bike battery chargers. The study employs 3D full-wave electromagnetic simulations in CST Studio Suite 2024 to evaluate how Laird Performance Materials 33P2098-0M0 ferrite influences magnetic coupling, field confinement, and overall transfer efficiency. Two configurations were analyzed: coil-only and coil-with-ferrite plates, under a fixed 20 mm air gap and an operating range of 30–50 kHz. The inclusion of ferrite materials significantly improved magnetic-flux directivity and coupling strength, resulting in a peak efficiency of 99.21% at 41.3 kHz, compared to 99.09% at 38.1 kHz for the coil-only design. The enhanced configuration also reduced magnetic leakage and improved resonance stability, as verified through mesh-independent simulations and analytical validation with less than 2% error. The proposed model correlates ferrite permeability with mutual inductance and resonant-frequency tuning, confirming the theoretical basis of the efficiency gain. This work bridges a gap in small-scale EV and E-bike WPT research by quantifying the measurable benefits of ferrite integration and providing design guidelines for compact, thermally stable, and high-efficiency wireless charging systems.
Co-Authors Abdul Munim, Wan Noraishah Wan Abidin, Ahmad Farid Adzhar Mahmood, Mohd Khairil Ahmad, Ahmad Sukri Bunyamin, Wan Muhamad Hakimi Wan Che, Hang Seng Farhan Nasarudin, Muhammad Nazrin Ghazali, Mohd Shukri Mohd Hannoon, Naeem M. S. Hashim, Norazlan Hayat, Muhammad Amirul Ashraf Zarrul Hayroman, Muhammad Hakiem Hidayat, Muhamad Nabil Megat Syahirul Amin Megat Ali Mohamad Elias, Mohamad Fathi Mohd Jamhari, Muhammad Khairul Azman Muhamad, Samshul Munir Muhammad, Khairul Safuan Munim, Wan Noraishah Wan Abdul Nooradzianie Muhammad Zin Othman, Muhammad Murtadha Rahman, Nor Farahaida Abdul Rawi, Muhammad Shawwal Mohamad Rizman, Zairi Ismael Saidon, Wan Salha Wan Abdul Munim, Wan Noraishah Yassin, Ihsan Mohd Zainuri, Muhammad Ammirrul Atiqi Mohd Zolkiffly, Mohd Zaid