No strings attached: Maximizing wireless charging efficiency with multiple transmitters

Wireless power transfer has proven to be quite useful in electronic devices such as medical implants and smartphones. In most cases, this is done by aligning or "coupling" two separate coils of wire (transmitter Tx and receiver Rx). The electrical current circulating in the Tx coil then creates a magnetic field that transfers energy to the Rx coil. Recently, researchers have explored the use of multiple Txs covering a wide charging area.

from Energy & Green Tech News - Energy Sciences News, Green Tech, Energy, Energy Science https://ift.tt/2VKiF6g

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