期刊
APPLIED PHYSICS LETTERS
卷 109, 期 22, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4971185
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资金
- Russian Science Foundation [14-12-00897]
- Russian Federation
- China Scholarship Council [201508090124]
- Russian Science Foundation [14-12-00897] Funding Source: Russian Science Foundation
Magnetic resonant wireless power transfer system based on dielectric disk resonators made of colossal permittivity (epsilon = 1000) and low loss (tan delta = 2.5 x 10(-4)) microwave ceramic is experimentally investigated. The system operates at the magnetic dipole mode excited in the resonators providing maximal power transfer efficiency of 90% at the frequency 232 MHz. By applying an impedance matching technique, the efficiency of 50% is achieved within the separation between the resonators d = 16 cm (3.8 radii of the resonator). The separation, misalignment and rotation dependencies of wireless power transfer efficiency are experimentally studied. Published by AIP Publishing.
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