Wireless Power Transfer via Strongly Coupled Magnetic Resonances-Reference-Cited by-同舟云学术

Wireless Power Transfer via Strongly Coupled Magnetic Resonances

Published:2007-07-06 Issue:5834 Volume:317 Page:83-86
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Kurs André¹²³,Karalis Aristeidis¹²³,Moffatt Robert¹²³,Joannopoulos J. D.¹²³,Fisher Peter¹²³,Soljačić Marin¹²³

Affiliation:

1. Department of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.

2. Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.

3. Department of Physics and Laboratory for Nuclear Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.

Abstract

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 ∼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.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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