Abstract
In order to improve the efficiency and to increase the distance of the wireless power transmission system, we studied the application of the left-handed materials on it. From the point of view of evanescent waves as well as the negative refraction effect, verified left-handed materials’ ability to improve efficiency. The contribution of the four layouts named single flatbed, dual flatbeds, full bracketing and semi-bracketing model were compared and analyzed. Furthermore, the influence of different location and thickness was also discussed, and their results were explained theoretically. Finally, we proposed the superiority of the dual flatbeds model, for its highest efficiency improvement, easy production and convenience.
Highlights
Wireless Power Transmission (WPT)[1] can transmit power at some distance from the supply terminal to stationary or relatively movable electrical equipment
In order to improve the efficiency and to increase the distance of the wireless power transmission system, we studied the application of the left-handed materials on it
Materials corresponding to the positive root are known as right-handed materials (RHM); likewise, the other is called left-handed materials (LHM)
Summary
Wireless Power Transmission (WPT)[1] can transmit power at some distance from the supply terminal to stationary or relatively movable electrical equipment. Because of its unique characteristics, it can overcome a series of shortcomings and deficiencies of traditional contact mode, such as worn, electric shock, sparks and waterproof difficulties. That is why it has been widely used in the consumer electronics[2] and biochemical engineering.[3] It has solved plenty of technical problems. Negative refraction and evanescent wave amplification are of interest to WPT systems.[7] Starting from these two characteristics, this letter compared the contribution to transmission efficiency of different layout, location and thickness, respectively in theoretical and simulation analysis
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