@article{ART003218661},
author={Hyungrak Kim},
title={Design and Implementation of an Integrated Wireless Power Transfer System for Computing Devices},
journal={Journal of Internet of Things and Convergence},
issn={2466-0078},
year={2025},
volume={11},
number={3},
pages={95-101}
TY - JOUR
AU - Hyungrak Kim
TI - Design and Implementation of an Integrated Wireless Power Transfer System for Computing Devices
JO - Journal of Internet of Things and Convergence
PY - 2025
VL - 11
IS - 3
PB - The Korea Internet of Things Society
SP - 95
EP - 101
SN - 2466-0078
AB - This paper proposes a structurally simplified and highly efficient low-profile magnetic resonant wireless power transfer (WPT) system that integrates both power delivery and magnetic shielding functionality. Traditional magnetic resonant WPT systems often require multiple coils and complex impedance matching circuits, which limit their structural integration and miniaturization, posing challenges for applications in space-constrained environments such as smart devices, wearables, and medical electronics. In this paper, a simplified circuit structure is designed by employing only a single resonant coil and a multifunctional capacitor on both the transmitter and receiver sides, achieving both resonance and impedance matching simultaneously. Furthermore, by integrating a magnetic shielding structure using a ferrite sheet, the system effectively minimizes electromagnetic interference from the surrounding environment. The proposed system demonstrated a high power transfer efficiency of approximately 94% at 6.78MHz operating condition. The design showed strong agreement between simulation and experimental results, and a demonstration using an all-in-one computer as the load confirmed its capability for stable wireless power delivery. This paper presents a practical realization of a WPT system through structural simplification, high efficiency, and integrated shielding, offering a robust technological foundation for effective application in various future electronic device fields.
KW - Low profile;Magnetic resonant;Wireless power transfer;Impedance matching;Ferrite
DO -
UR -
ER -
Hyungrak Kim. (2025). Design and Implementation of an Integrated Wireless Power Transfer System for Computing Devices. Journal of Internet of Things and Convergence, 11(3), 95-101.
Hyungrak Kim. 2025, "Design and Implementation of an Integrated Wireless Power Transfer System for Computing Devices", Journal of Internet of Things and Convergence, vol.11, no.3 pp.95-101.
Hyungrak Kim "Design and Implementation of an Integrated Wireless Power Transfer System for Computing Devices" Journal of Internet of Things and Convergence 11.3 pp.95-101 (2025) : 95.
Hyungrak Kim. Design and Implementation of an Integrated Wireless Power Transfer System for Computing Devices. 2025; 11(3), 95-101.
Hyungrak Kim. "Design and Implementation of an Integrated Wireless Power Transfer System for Computing Devices" Journal of Internet of Things and Convergence 11, no.3 (2025) : 95-101.
Hyungrak Kim. Design and Implementation of an Integrated Wireless Power Transfer System for Computing Devices. Journal of Internet of Things and Convergence, 11(3), 95-101.
Hyungrak Kim. Design and Implementation of an Integrated Wireless Power Transfer System for Computing Devices. Journal of Internet of Things and Convergence. 2025; 11(3) 95-101.
Hyungrak Kim. Design and Implementation of an Integrated Wireless Power Transfer System for Computing Devices. 2025; 11(3), 95-101.
Hyungrak Kim. "Design and Implementation of an Integrated Wireless Power Transfer System for Computing Devices" Journal of Internet of Things and Convergence 11, no.3 (2025) : 95-101.
