'Green' hydrogen: How photoelectrochemical water splitting may become competitive

ScienceDaily
Mar 20, 2023, 6:37 pm92 pts
Sunlight can be used to produce green hydrogen directly from water in photoelectrochemical (PEC) cells. So far, most systems based on this 'direct approach' have not been energetically competitive. However, the balance changes as soon as some of the hydrogen in such PEC cells is used in-situ for a catalytic…

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