It appears that the CEO of Toyota and Elon Musk agree that it is not sustainable.
Also, it is a known fact that it requires 250 tons of mineral ore Spodumene when mined, or 750 tons of mineral rich brine to produce one ton of lithium. The processing of large amounts of raw materials results in considerable environmental impacts.
https://pjmedia.com/news-and-politic...Rp2SjIkAjNpgHs