I'm not sure, this looks like it can be done in a college chemistry lab without too much retooling. A dedicated factory process could be even stronger. Lithium

I'm not sure, this looks like it can be done in a college chemistry lab without too much retooling. A dedicated factory process could be even stronger. Lithium is found and wasted wherever vapes are sold, so it's not like there aren't economies of scale for material supply available.