Electrolysis: Producing hydrogen from water

OMV Blog: http://blog.omv.com/en/hydrogen-element-bursting-with-energy/

Producing hydrogen from water: Electrolysis involves splitting water into hydrogen and oxygen with the help of electricity. When a direct current is passed through the water, oxygen appears at the positive anodes, while hydrogen is released from the negative cathodes. In terms of volume, exactly two times more hydrogen is produced than oxygen.

As pure water is not a good conductor of electricity, something like salt is added – not a very environmentally sound method. If you use a proton exchange membrane, PEM for short, it is possible to extract hydrogen from pure water, as the membrane provides the necessary particle transport between anodes and cathodes.

--- Note: As of June 13, 2017 Petrol Ofisi A.S. is no longer part of OMV Group.
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