Microchip powers itself with solar cells
Researchers from the University of Twente's MESA+ Institute for Nanotechnology in the Netherlands presented the autonomous chip at this month's International Electron Device Meeting in San Francisco, along with partners from the universities of Nankai and Utrecht.
The development could improve wireless technologies, with the potential for producing sensor chips that could even have small antennas.
Although there would be no reliance on external electricity sources or batteries, the researchers said the chip's energy use must be under 1 milliwatt 1/1000th of a watt.
The chip can collect enough energy to operate indoors, researchers said. According to the online journal Science Daily, tests showed that the chips with the solar cells functioned properly.
To minimize production costs, scientists suggested the chips could be used as a base, with the solar cell layers applied to it later. This process would use fewer materials and increase energy production.
The solar cells could be manufactured from materials such as amorphous silicon, which would produce power in low light without interfering with the electronics.
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In June, Nalcor Energy confirmed it had successfully sent power from Churchill Falls to the Avalon Peninsula through its more than 1500-kilometre link, but now the Liberty Consulting Group says it doesn't expect the link will be up and running consistently this winter.
"What we have learned supports a conclusion that the Labrador Island Link is unlikely to be reliably in commercial operation at the start of the winter," says the report dated Aug. 30, 2018.
The link relies on…
