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Effect on wireless power transmission with different layout of left-handed materialsa)
a)Project Supported by National Natural Science Foundation of China(51277120)
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1.
1. Kaoru Haruyama, “Wireless Power Transfer,” The Journal of the institute of image information and television engineers 65(2), 142146 (2011).
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Figures

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FIG. 1.

Negative refraction effect.

Image of FIG. 2.

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FIG. 2.

WPT surrounded by LHM.

Image of FIG. 3.

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FIG. 3.

WPT model simulation.

Image of FIG. 4.

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FIG. 4.

Magnetic flux density without LHM.

Image of FIG. 5.

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FIG. 5.

Magnetic flux density with LHM. (a) Single flatbed. (b) Dual flatbeds. (c) Full bracketing. (d) Semi-bracketing.

Image of FIG. 6.

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FIG. 6.

Edge analysis.

Tables

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Table I.

Coupling coefficient with different layout.

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Table II.

Location influence.

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/content/aip/journal/adva/3/7/10.1063/1.4817579
2013-07-30
2014-04-18

Abstract

In order to improve the efficiency and to increase the distance of the wireless power transmission system, we studied the application of the left-handed materials on it. From the point of view of evanescent waves as well as the negative refraction effect, verified left-handed materials’ ability to improve efficiency. The contribution of the four layouts named single flatbed, dual flatbeds, full bracketing and semi-bracketing model were compared and analyzed. Furthermore, the influence of different location and thickness was also discussed, and their results were explained theoretically. Finally, we proposed the superiority of the dual flatbeds model, for its highest efficiency improvement, easy production and convenience.

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Scitation: Effect on wireless power transmission with different layout of left-handed materialsa)
http://aip.metastore.ingenta.com/content/aip/journal/adva/3/7/10.1063/1.4817579
10.1063/1.4817579
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