Design of a rechargeable battery wireless charging system

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This paper presents a wireless power charging system for rechargeable batteries. Recently, misalignment between transmitting coil and receiving coils has been a significant factor to wireless power charging systems, which are prone to lateral and angular misalignment. Unfortunately, the batteries can be easily rolled because of the shape, and coils are often misaligned while charging devices, in practical situations. This paper presents the wireless power battery charging system. In order to solve the angular misalignment, two perpendicular coil having structure of 'plus (+)' shape was proposed. To validate the results, the proposed wireless power charging system was implemented at 6.78 MHz using loosely coupled resonant coils, and the system was verified as being robust to misalignment.
Publisher
Korean Institute of Electromagnetic Engineering and Science
Issue Date
2016
Language
English
Citation

Journal of Electromagnetic Engineering and Science, v.16, no.4, pp.210 - 213

ISSN
2234-8409
DOI
10.5515/JKIEES.2016.16.4.210
URI
http://hdl.handle.net/10203/222877
Appears in Collection
RIMS Journal Papers
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