Scientists Find Way to Make Energy from Air Using Nearly Any Material – Slashdot

The air-powered generator, known as an “Air-gen,” would offer continuous clean electricity since it uses the energy from humidity, which is always present, rather than depending on the sun or wind… The device, the size of a fingernail and thinner than a single hair, is dotted with tiny holes known as nanopores. The holes have a diameter smaller than 100 nanometers, or less than a thousandth of the width of a strand of human hair. The tiny holes allow the water in the air to pass through in a way that would create a charge imbalance in the upper and lower parts of the device, effectively creating a battery that runs continuously. “We are opening up a wide door for harvesting clean electricity from thin air,” Xiaomeng Liu, another author and a UMass engineering graduate student, said in a statement.
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