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How about using excess peak solar time to produce hydrogen? Whenever I read about hydrogen power, there’s this sort of elephant in the room that producing it b
by Eric_WVGG 3y ago
How about using excess peak solar time to produce hydrogen?
Whenever I read about hydrogen power, there’s this sort of elephant in the room that producing it burns power, which is usually assumed to mean burning fossil fuels.
If we have excess solar during the daytime, couldn’t that be spent refining water to hydrogen and sticking that in a battery of sorts?
I feel like that would be especially useful for renewable flight and ocean travel, where the weight of actual batteries makes electric unviable.
- cogman10 3y agoElectrolysis is about 20% effective. That's why you don't really see hydrogen being seriously considered for grid backup. Mass produced hydrogen comes from fossil fuels. That said, I agree hydrogen might have a role in shipping and flight. Just not grid storage. LFPs and sodium chemistry are both cheap with a long life. That's what will more commonly be deployed.