Solar-to-Hydrogen
Clean, renewable hydrogen can be produced by splitting water into hydrogen through an electrolyzer powered by solar energy. But a potentially cheaper and more efficient way to do this is to use photoelectrochemical (PEC) cells, which convert sunlight and water directly into hydrogen right there at the cell.
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Researchers have created a floating, solar-powered device that converts contaminated water or seawater into clean hydrogen fuel and drinking water. Because it works with any open water source, it could be used in resource-limited or remote places.