2019
DOI: 10.1049/iet-pel.2018.5358
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Receiving‐coil structure reducing stray AC resistance for resonant coupling wireless power transfer

Abstract: Resonant inductive coupling wireless power transfer is widely known to be a possible convenient power supply method for the small mobile apparatus. However, the limited receiving-coil size tends to lower the efficiency and limit the output power owing to the small mutual inductance and comparatively large stray alternating current (AC) resistance of the receivingcoil. This study mitigates this issue by proposing a novel receiving-coil structure. This proposed structure comprises a coil and a drum core with a t… Show more

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Cited by 5 publications
(1 citation statement)
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“…Owing to this feature, the WPT technique can be one of the fundamental key technologies for the coming information society because this technique is convenient for the power supply to many small Internet-of-Thing (IoT) devices dispersed in the wide space such as the radio frequency identification tags (RFID tags (1) (2) ) and small sensors (1) , which are increasingly utilized in the factories, warehouses, and hospitals. The WPT can also be a key for advanced medical technologies like biomedical implants (3) and capsule endoscopies (4) (5) because it can solve the need for internal batteries and therefore can miniaturize these medical devices. This perspective motivates the researchers to investigate the WPT technique for charging many small devices in a wide space.…”
Section: Introductionmentioning
confidence: 99%
“…Owing to this feature, the WPT technique can be one of the fundamental key technologies for the coming information society because this technique is convenient for the power supply to many small Internet-of-Thing (IoT) devices dispersed in the wide space such as the radio frequency identification tags (RFID tags (1) (2) ) and small sensors (1) , which are increasingly utilized in the factories, warehouses, and hospitals. The WPT can also be a key for advanced medical technologies like biomedical implants (3) and capsule endoscopies (4) (5) because it can solve the need for internal batteries and therefore can miniaturize these medical devices. This perspective motivates the researchers to investigate the WPT technique for charging many small devices in a wide space.…”
Section: Introductionmentioning
confidence: 99%