Re:Solid-State Battery Has 2x the Energy–and No Anode
by pbhjpbhj on Friday March 31, 2023 @09:11AM
(#35386609)
Strikes me that H2 made from excess solar panel output, at source, might become a thing. If you have enough solar for your needs then you're over-producing when the sun is at its peak. With feed in tariffs being low it makes sense to use this -- and hydrogen vehicles are an option.
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Re:Solid-State Battery Has 2x the Energy–and No Anode
by nordsieck on Friday March 31, 2023 @09:14AM
(#35386648)
> Strikes me that H2 made from excess solar panel output, at source, might become a thing.
Why is that better than putting it back into the grid and/or putting it into a battery?
Re:Solid-State Battery Has 2x the Energy–and No Anode
by pjc50 on Friday March 31, 2023 @09:38AM
(#35386980)
There's occasionally overproduction of renewables, which is normally just curtailed (discarded) because it exceeds grid demand.
The H2 for medium-term tank storage idea is not bad .. except for the very high capital cost of electrolysis. Without some means of making H2 that doesn't involve tying up a chunk of platinum as a capital asset this is a non starter economically.
Re:Solid-State Battery Has 2x the Energy–and No Anode
by Schroedingersat on Friday March 31, 2023 @09:44AM
(#35387072)
Batteries are as yet inappropriate for long duration swings over weeks or months that cycle only a few times a year.
Better to compare it to thermal storage, PHES, simply curtailing it or even virtual storage via hydro or w2e (or hydrogen generation with no step where it is converted back to electricity or motion). All of which are more sensible than hydrogen for personal transport.