[slashdave]

Cheaper? No, not even close. Environmentally friendly? Debatable, but wait for new tech.

https://www.pbs.org/wgbh/nova/article/iron-air-battery-renew...

[Moldoteck]

yes it'll be cheaper https://www.sciencedirect.com/science/article/abs/pii/S03605... https://liftoff.energy.gov/advanced-nuclear/

[preisschild]

note the word "could"

We have heard better and better batteries being just around the corner for decades at this point.

Sure, maybe a few percent better, but nothing ground breaking.