This note spells out the top ten differences between alkaline and PEM electrolysers. The lowest cost green hydrogen will likely come from alkaline electrolysers in nuclear/hydro-heavy grids. If hydrogen is to back up wind/solar, it would likely require PEMs.
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Green hydrogen: alkaline versus PEM electrolysers?
This note spells out the top ten differences between alkaline and PEM electrolysers. The lowest cost green hydrogen will likely come from alkaline electrolysers in nuclear/hydro-heavy grids. If hydrogen is to back up wind/solar, it would likely require PEMs.