Wearable Wireless Power Transfer Using Direct-Write Dispenser Printed Flexible Coils

Wagih, M. , Komolafe, A. and Zaghari, B. (2020) Wearable Wireless Power Transfer Using Direct-Write Dispenser Printed Flexible Coils. In: 2020 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS), Manchester, UK, 16-19 Aug 2020, ISBN 9781728152783 (doi: 10.1109/FLEPS49123.2020.9239595)

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Direct-write dispenser printing represents a simple solution to rapid flexible and printed electronics prototyping and low-volume manufacturing. This work presents the design, fabrication and evaluation of magnetic resonance wireless power transfer (WPT) coils fabricated using dispenser printing. A double-sided inductor is designed and printed on a flexible polyimide substrate using a commercial dispenser printer. The dispenser printer is used to realize the single-sided coils which are heat pressed to form double-sided inductors using a conductive epoxy via. It is demonstrated that the proposed double-sided coils achieve over 53.8% higher quality factor than a single-sided coil, and 67% higher inductance than two series-connected coils. The coils are tuned to resonate at 6.78 MHz using lumped-matching. The proposed coils achieve a peak WPT efficiency of 50%.

Item Type:Conference Proceedings
Glasgow Author(s) Enlighten ID:Wagih, Dr Mahmoud
Authors: Wagih, M., Komolafe, A., and Zaghari, B.
College/School:College of Science and Engineering > School of Engineering > Autonomous Systems and Connectivity
Published Online:30 October 2020

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