Wireless power transfer via strongly coupled magnetic resonances

被引：4047
|
作者：
Kurs, Andre [1 ]
Karalis, Aristeidis
Moffatt, Robert
Joannopoulos, J. D.
Fisher, Peter
Soljacic, Marin
机构：
[1] MIT, Dept Phys, Cambridge, MA 02139 USA
[2] MIT, Dept Elect Engn & Comp Sci, Cambridge, MA 02139 USA
[3] MIT, Dept Phys, Cambridge, MA 02139 USA
[4] MIT, Nucl Sci Lab, Cambridge, MA 02139 USA
来源：
SCIENCE | 2007年 / 317卷 / 5834期
关键词：
D O I：
10.1126/science.1143254
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Using self-resonant coils in a strongly coupled regime, we experimentally demonstrated efficient nonradiative power transfer over distances up to 8 times the radius of the coils. We were able to transfer 60 watts with similar to 40% efficiency over distances in excess of 2 meters. We present a quantitative model describing the power transfer, which matches the experimental results to within 5%. We discuss the practical applicability of this system and suggest directions for further study.
引用
收藏
页码：83 / 86
页数：4
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