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Chinese Firm developed Nuclear Battery that can Produce Power for 50 years – Sri Lanka Guardian (slguardian.org)

submitted 9 months ago by Espiritdescali to c/futurology

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[–] TheWonderfool@lemmy.world 3 points 9 months ago (1 children)

Ok so maybe my calculation is off, but based on the specs in the article the battery on my phone would become 225x225x5 mm in size to be equivalent on the LiPo it currently has.

That seems way too big to be usable, and contrary to what the article says about this battery being more energy dense...

(Calculation is - 4385mAh x 5V = 21925mWh, so around 220 batteries as they output 100mW, and as they are 15x15x5 it becomes ✓220*15=~225 so 225x225x5)

Please someone smarter help me!

[–] wahming@monyet.cc 14 points 9 months ago

It's more energy dense because it carries 50 years of power within it. It's not a rechargeable battery. They're discussing the energy density, you're measuring the energy output per cubic mm per second.

That said, this reads like a fluff piece so I wouldn't overthink it.