Before this technology can see wide use, I think they will need to find a solid electrolyte that doesn't use scandium. Although the mean concentration of scand

Before this technology can see wide use, I think they will need to find a solid electrolyte that doesn't use scandium. Although the mean concentration of scandium in the earth's crust is about the same as that of cobalt, concentrated ores are much rarer [0]. [0] https://en.wikipedia.org/wiki/Scandium#Occurrence https://en.wikipedia.org/wiki/Scandium#Occurrence