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Offshore Hydrogen manufacture at the heart of key UK project

One of the funding rounds that the UK Government listed yesterday in its press release is for something called Gigastack – hydrogen manufacture by gigawatt scale electrolysis. There have been many promising electrolysis approaches to creating hydrogen from water, and there is a bit of a religious war between those that use a polymer-electrolyte membrane (PEM – some call it a proton-exchange membrane) and alkaline water electrolysis – but both clearly  remain options and the PEM approach is thought to sit well with wind or solar fed electricity. A PEM works with electrolysis of water in a cell with a solid polymer electrolyte, which has the role of conducting protons and separating the two gases. It works with low current…

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