PET-conomics, page-67

Lithium-ion batteries require minerals such as rare earths, nickel and cobalt to produce their positive electrodes. Supply of these metals is limited, prices are rising, and their mining often has great social and environmental costs.Industry insiders have even predicted serious shortages of these key materials in the near future, possibly as early as 2022.

The above is an extract from this https://www.abc.net.au/news/2020-01-08/lithium-sulfur-battery-greener-cheaper-and-more-efficient/11849590

We need to get our Sh1t together real soon if we are going to have any advantages coming our way