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Two new ways of obtaining hydrogen have been discovered, producing hydrogen from photosynthesis and through sound waves.New technologies for hydrogen

Melbourne engineers have utilized sound waves to increase the production of green hydrogen by 14 times, via electrolysis to split water.

Engineers in Melbourne have used sound waves to boost production of green hydrogen by 14 times, through electrolysis to split water.

Researchers from RMIT and the University of Melbourne have discovered high-frequency vibrations can release 14 times more hydrogen compared with standard electrolysis techniques. The discovery also has ramifications for the expensive, rare materials currently used in electrolysers. “With sound waves making it much easier to extract hydrogen from water, it eliminates the need to use corrosive electrolytes and expensive electrodes such as platinum or iridium,” research lead Amgad Rezk said.

Researchers from RMIT University and the University of Melbourne claim that high-frequency vibrations can release 14 times more hydrogen than standard electrolysis techniques. The discovery has ramifications for the expensive, rare materials currently used in electrolyzers.