Stanford researchers have engineered an electrolysis technology that can harness seawater for chemical energy. The novel device can produce hydrogen fuel using solely solar power , electrodes, and saltwater . A key water-splitting development The development is a key step for this water-splitting method that so far was only possible with purified water. Purified water is rare and costly to produce whereas saltwater is one of Earth’s most abundant resources. Theoretically, to power cities and cars, "you need so much hydrogen it is not conceivable to use purified water," said Hongjie Dai, J.G. Jackson and C.J. Wood professor in chemistry at Stanford and co-senior author on the paper. "We barely have enough water for our current needs in California." The innovation is also environmentally friendly. Hydrogen fuel does not emit any carbon dioxide, only water. A new take on a simple process Electrolysis is a simple process to conduct. Use a power source to connect two electrodes placed in water. Turn it on and see hydrogen gas come out of the cathode and oxygen out of the anode. Energy & Environment But so far, negatively charged chloride in seawater salt corroded the anode, damaging the system. The researchers ingenuously […]

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