On: New Cobalt-free Li-ion battery reduces costs with ...

[calvinmorrison]

I know it's stupid but

Doubling the size of a AA battery seems cheaper than improving the efficiency?

[icedistilled → calvinmorrison]

weight weight weight size size size. It's that important.

Phone batteries, car batteries, drone batteries. Maybe commercial airline batteries one day.

[azernik → icedistilled]

And if you don't care about weight and size, there are better and cheaper options than lithium anyway.

[sudosysgen → azernik]

I've been designing and building an ebike, and were at the point where even if I threw out weight and size off the equation there's not really anything better than Li-ion for capacity at significant C-rates versus price.