Efficiency comparison between resonant coil and metamaterial sheet for wireless power transfer

Resonant coils and metamaterials are useful to increase the effective range of a wireless power transfer system. We experimentally compared the characteristics of a resonant coil and a metamaterial with similar sizes. The resonant coil had higher Q and higher coupling ability with a loop than did th...

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Published in2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting pp. 109 - 110
Main Authors Gunbok Lee, Young Seok Noh, Wee Sang Park, Gi-bum Lee
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.07.2015
Subjects
Couplings
Magnetic resonance
Metamaterials
Resistance
Spirals
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Abstract Resonant coils and metamaterials are useful to increase the effective range of a wireless power transfer system. We experimentally compared the characteristics of a resonant coil and a metamaterial with similar sizes. The resonant coil had higher Q and higher coupling ability with a loop than did the metamaterial. The transmission coefficient with the resonant coil system averaged 3.6 times higher than that with the metamaterial system.
AbstractList Resonant coils and metamaterials are useful to increase the effective range of a wireless power transfer system. We experimentally compared the characteristics of a resonant coil and a metamaterial with similar sizes. The resonant coil had higher Q and higher coupling ability with a loop than did the metamaterial. The transmission coefficient with the resonant coil system averaged 3.6 times higher than that with the metamaterial system.
Author Young Seok Noh
Wee Sang Park
Gunbok Lee
Gi-bum Lee
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  surname: Gunbok Lee
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  organization: Electr. Eng., POSTECH, Pohang, South Korea
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  surname: Young Seok Noh
  fullname: Young Seok Noh
  organization: Electr. Eng., POSTECH, Pohang, South Korea
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  surname: Wee Sang Park
  fullname: Wee Sang Park
  organization: Electr. Eng., POSTECH, Pohang, South Korea
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  surname: Gi-bum Lee
  fullname: Gi-bum Lee
  email: gblee@rist.re.kr
  organization: Wireless Power Team, RIST, Pohang, South Korea
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Snippet Resonant coils and metamaterials are useful to increase the effective range of a wireless power transfer system. We experimentally compared the characteristics...
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StartPage 109
SubjectTerms Couplings
Magnetic resonance
Metamaterials
Resistance
Spirals
Title Efficiency comparison between resonant coil and metamaterial sheet for wireless power transfer
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