Researchers unveil a new Wireless Charging Mechanism trough which Devices can be Charged from Anywhere, thus boosting the Wireless Charging Market

Posted On April 16, 2022     

There is a fundamental issue in developing an omnidirectional charger. It is a fact that the charging field's strength varies depending on its location. This means that if gadgets are placed in the incorrect location or are not orientated appropriately, the charging will not be efficient. If a charging field is created by connecting several transmitter coils to multiple power sources the issue can be resolved. However, this increases the transmitter's complexity, making the system unworkable. Other systems rely on input to orient the charging field appropriately, but the control systems are complex and costly.

A new wireless charging mechanism allows devices to be charged from anywhere within a ring around them. Power is now sent in a given direction or to a specified location using existing technologies. The new technology has immense potential within Wireless Charging Market as it provides a more convenient and reliable design for consumers by providing a donut-shaped charging field.

To overcome all the issues of the omnidirectional charger, the team created a new system. They set out to design a cylindrical power coil with a basic, low-cost system that relied solely on one power source.

The coil consists of a z-shaped bridge linking them. The wire present at coil's top is wound in the opposite direction as the wire at the bottom. The current run is in different directions through these windings. This is how the complimentary magnetic fields are produced. One field flows out of the cylindrical coil's middle, around the top winding, and back in via the top. The other flows out of the middle, around the bottom winding, and back in through the bottom.

As a result, an even magnetic field forms around the charging coil's center. Receivers positioned anywhere inside that area, independent of their position or orientation, charge efficiently. This was only a proof of concept.

The researchers discovered that the degree of exposure met the limits in safety regulations. Their argument was based on simulations of the electromagnetic field around a consumer item. However, more safety research is needed before the technology may be put to use.

The new concept builds on the previous research group's work, which allowed electricity to be sent to several moving receivers in a charging area. Both solutions address various aspects of the wireless charging challenge, such as freedom of mobility for industrial applications and free positioning for consumer tabletop devices.

For the future, the team is set on increasing the efficiency—possibly to around 90%—and the power.

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