Antennas in wireless charging systems

Qiang Chen, Qiaowei Yuan

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

The antenna is one of the most critical components in wireless charging systems since the power transfer efficiency of the system is largely dependent on the antenna performance. In this chapter, the modeling and analysis of antennas are introduced with a focus on increasing the power transfer efficiency. The relationship between wireless power transfer efficiency and antenna parameters like antenna geometry, ohmic loss, impedance matching circuits, and distance between transmitting and receiving antennas is studied analytically and numerically by using circuit theory and full-wave electromagnetic analysis, in order to provide some fundamental and theoretical knowledge to develop antennas for highly efficient wireless charging systems. Finally, challenges and recent studies of antennas for wireless power transfer systems, as well as standards on this field, are briefly introduced.

Original languageEnglish
Title of host publicationHandbook of Antenna Technologies
PublisherSpringer Singapore
Pages2389-2417
Number of pages29
Volume3
ISBN (Electronic)9789814560443
ISBN (Print)9789814560436
DOIs
Publication statusPublished - 2016 Sep 15

Keywords

  • Antenna
  • Efficiency
  • Equivalent circuit
  • Impedance matching
  • Impedance matrix
  • Near-field coupling
  • Scattering matrix
  • Scattering parameters
  • Wireless charging
  • Wireless power transfer
  • Wireless power transmission

ASJC Scopus subject areas

  • Engineering(all)

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