Handheld device transforms dirty air into energy
Researchers at the University of Antwerp and the KULeuven have developed a small handheld device that purifies dirty air while energy is recovered. The device simply needs to be exposed to light to begin functioning. On the device, a membrane separates two chambers and air is purified on one side, and hydrogen gas is produced on the other. The gas can be stored and used later as fuel.
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