Chinese tech makes desalinating seawater cheaper than producing bottled water

Researchers in China have developed a new photothermal material that significantly improves the efficiency of solar-powered desalination. This innovative material, created by weaving nanoparticles into a three-dimensional structure, allows for the conversion of solar energy to drive the desalination process. An outdoor prototype demonstrated year-long stability with zero utility energy costs. This breakthrough has the potential to make desalination more accessible, as it traditionally requires substantial energy and has been limited to wealthy nations. The development addresses the high energy demands previously associated with converting saltwater into freshwater.