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1、WirelessPowerTransferviaStronglyCoupledMagneticResonancesAndréKurs,1*AristeidisKaralis,2RobertMoffatt,1J.D.Joannopoulos,1PeterFisher,3MarinSoljačić11DepartmentofPhysics,MassachusettsInstituteofTechnology,Cambridge,MA02139,USA.2DepartmentofElectricalEngineeringandComputerScience,Massachuse
2、ttsInstituteofTechnology,Cambridge,MA02139,USA.3DepartmentofPhysicsandLaboratoryforNuclearScience,MassachusettsInstituteofTechnology,Cambridge,MA02139,USA.*Towhomcorrespondenceshouldbeaddressed.E-mail:akurs@mit.edu通过强耦合磁共振进行无线电力传输AndréKurs，1*AristeidisKaralis，2RobertMoffatt，1J.D.Joannopou
3、los，1PeterFisher，3MarinSoljačić11麻省理工学院物理系，剑桥，MA02139，USA。2马萨诸塞理工学院电气工程与计算机科学系，剑桥，MA02139，USA。马萨诸塞理工学院核科学物理与实验室3，剑桥，MA02139，USA。*应向谁发信。电子邮件：akurs@mit.eduUsingself-resonantcoilsinastronglycoupledregime,weexperimentallydemonstrateefficientnon-radiativepowertransferoverdistancesofuptoeightti
4、mestheradiusofthecoils.Wedemonstratetheabilitytotransfer60Wwithapproximately40%efficiencyoverdistancesinexcessoftwometers.Wepresentaquantitativemodeldescribingthepowertransferwhichmatchestheexperimentalresultstowithin5%.Wediscusspracticalapplicabilityandsuggestdirectionsforfurtherstudies.
5、在强耦合状态下使用自谐振线圈，我们实验证明高达线圈半径的八倍的有效的非辐射功率传输。我们展示了在距离超过两米的情况下以大约40％的效率传输60W的能力。我们提出一个描述电力传输的定量模型，将实验结果与5％以内相匹配。讨论实际适用性，并提出进一步研究的方向。1.30March2007;accepted21May20072.Publishedonline7June2007;10.1126/science.1143254Includethisinformation3.whencitingthispaper.Intheearly20thcentury,beforetheelect
6、rical-wiregrid,NikolaTesla(1)devotedmuchefforttowardsschemestotransportpowerwirelessly.However,typicalembodiments(e.g.Teslacoils)involvedundesirablylargeelectricfields.Duringthepastdecade,societyhaswitnessedadramaticsurgeofuseofautonomouselectronicdevices(laptops,cell-phones,robots,PDAs,e
7、tc.)Asaconsequence,interestinwirelesspowerhasre-emerged(2–4).Radiativetransfer(5),whileperfectlysuitablefortransferringinformation,posesanumberofdifficultiesforpowertransferapplications:theefficiencyofpowertransferisverylowiftheradiationisomnidirectional,andrequires
