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Poly_and_RA t1_ja5faya wrote

Reply to comment by KungFuHamster in The ultimate solar panels are coming: perovskites with 250% more efficiency by Renu_021

That was my first hunch too -- that 250% improvement from current state-of-the-art solar-cells would be a gorram miracle if true -- but is a claim much too good to be true so it probably isn't.

The best multi-junction cells are already at over 40% efficiency, so improving that by 250% would result in a cell with 140% efficiency which is a tiiiiiiny bit unlikely on account of things like basic thermodynamics.

The fact that the 250% improvement is loudly proclaimed, but the actual efficiency isn't even mentioned (a very suspicious absense) my guess is that the actual efficiency is anything but exciting. Probably substantially worse than the most common cells today.

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The-Fox-Says t1_ja670fv wrote

From what I can find online they’re normally 24-29% efficient so that would be over 60% efficiency which is very significant if true

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Born-Trainer-9807 t1_ja8hkw5 wrote

I'm doubling it! But if 60% is true, then I would like to know the cost of the cell and other "pitfalls". Because 60% is a breakthrough in energy.

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gordonjames62 t1_ja8dahx wrote

> would be a gorram miracle

when do we get a new season of Firefly

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Poly_and_RA t1_ja8dpx3 wrote

I hear it'll be out any decade now. The Last of Us is pretty good in the meantime.

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IronWhitin t1_ja7ben1 wrote

140% is basically your cell not only has 100% light/electric conversion rate, you are literally generate 40% of energy outt of no where, if a cell like that is true you can literally use solar lamp to illuminate them even in the night to harvest that juicy 40% ....XD

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shine-like-the-stars t1_ja68nbg wrote

You sound like you know a lot about solar. I want to get solar on my house and have no idea where to get started. Is there some tech that’s leaps and bounds ahead, or are most rooftop solar solutions the same?

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