Sony Semiconductor Solutions Corporation (SSS) has developed a module that converts electromagnetic noise into energy to power IoT devices.
This compact device, measuring 7 x 7 mm, can provide continuous power even when electromagnetic radiation sources are not actively used.
The technology is based on using metal parts of the IoT device as antennas. It captures electromagnetic waves in the range of a few hertz to 100 MHz.
A special rectifier circuit then converts the captured waves into electric current. This means that devices that consume power from a few microwatts to several milliwatts can get the energy they need.
One of the most important advantages of new technology is that it works continuously. Even if the devices that create electromagnetic interference are turned off or not actively used, the module continues to charge because the noise continues.
This distinguishes the new technology from alternative methods that rely on solar energy or temperature changes.
Source: Ferra
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