The paper linked in https://news.ycombinator.com/item?id=40668458 https://news.ycombinator.com/item?id=40668458 doesn't sound like they've developed any power c

The paper linked in https://news.ycombinator.com/item?id=40668458 https://news.ycombinator.com/item?id=40668458 doesn't sound like they've developed any power cells, only modeled what their behavior would be, so it's not even "a cool party trick they pulled off in a lab" but "pulled off in a computer" On the other hand, section 3 iirc is the one where they discuss manufacturing, so there is some thought already going into what you're saying